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O PROFNYAMBOKISAAC. "Thematic geological map of the Lake Basin area. In Natural Resources Atlas for Lake Basin Development Authority (LBDA).". In: Published by the Regional Center in Surveying, Mapping and Remote Sensing. 2p. Wiley Interscience; 1986. Abstract
Nyambok, I.O.
O MROPIYOELISHATOYNE. "Peninah J. Limo, Elisha T. O. Opiyo, William Okello-Odongo, Cloud Computing Opensource Iaas Platforms. In the proceedings of the Unesco-Hp Brain Gain Workshop on Distributed Systems, 29th August 2012, at Kenya School of Monetary Studies in Nairobi, Kenya.". In: Proceedings of the Unesco-Hp Brain Gain Workshop on Distributed Systems, 29th August 2012, at Kenya School of Monetary Studies in Nairobi, Kenya. AJFAND; 2012.
O PROFOBELARTHUR. "Obel AO. Related Articles, Links Epidemiology of diabetes mellitus in a referral hospital in a tropical developing country. Tohoku J Exp Med. 1983 Dec;141 Suppl:207-10. No abstract available.". In: Tohoku J Exp Med. 1983 Dec;141 Suppl:207-10. E Afr Med J; 1983. Abstract

Weights and heights of 674 consecutive non-insulin dependent diabetics and 358 control urban healthy Kenyans were recorded prospectively. Weights and heights of a further 162 healthy rural adults were compared retrospectively. The body mass index (weight/height2) of the non-insulin dependent diabetic was lower than that of the corresponding urban control subject. The body mass index of the rural folk was consistently lower than that of the urban dweller. This study concluded that obesity may not be a significant factor in non-insulin dependent diabetes in the African black.

O DROGARAWILLIAM. "Ogara W O, and A O Nyangwara 2001. Requisite hazard analysis of critical control points (HACCP) for quality control in fish trade. Berlin Alumni Networks website.". In: journal. The Kenya Veterinarian; 2001. Abstract
As part of a study to assess zoonotic milk-borne health risks, seasonal survey data and unpasteurized milk samples were collected between January 1999 and February 2000 from randomly selected informal milk market agents (220 and 236 samples in the dry and wet seasons, respectively) and from households purchasing raw milk (213 and 219 samples in the dry and wet seasons, respectively) in rural and urban locations in Central Kenya and screened for antibiotics, Brucella abortus (B. abortus) and presence of Escherichia coli (E. coli 0157:H7).The latter was assessed based on samples from consumer households only. Antibodies to B. abortus were screened using the indirect antibody Enzyme Linked Immunosorbent Assay (ELISA) and the Milk Ring Test (MRT). The presence of E. coli 0157:H7 was assessed by culture, biochemical characterization, serological testing for production of verocytotoxin one (VTI) and two (VT2) and polymerase chain reaction (PCR) analysis for the presence of genes encoding for the toxins.                                                                                                         The prevalence of antibodies to B.abortus varied considerably ranging from none in milk sold in small units and originating from intensive production systems to over 10% in samples that were bulked or originating from extensive production systems. E. coli 0157:H7 was isolated from two samples (0.8%), one of which produced VTI. All urban consumers (100%) and nearly all rural consumers (96%) of marketed milk boiled the milk before consumption, mainly in tea, thus reducing chances of exposure to live pathogens and potential health risks.
O PROFOBELARTHUR. "Obel AO. Goitre and fluorosis in Kenya. East Afr Med J. 1982 Jun;59(6):363-5. No abstract available.". In: East Afr Med J. 1982 Jun;59(6):363-5. E Afr Med J; 1982. Abstract
The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.
O PROFMCLIGEYOSETH. "McLigeyo S.O.: Muscle cramps during prednisolone treatment. Bri. Med. J. 307: 802-803, 1993.". In: Bri. Med. J. 307: 802-803, 1993. University of Nairobi.; 1993. Abstract
In a six month period at the Kenyatta National Hospital, 46 patients (30 males) with chronic renal failure (CRF) and 22 healthy subjects have had a clinical and echocardiographic study of their cardiovascular systems. The patients with CRF were further classified as stable or in end stage renal disease (ESRD), the latter group requiring dialysis. Hypertension and circulatory congestion were the commonest clinical cardiovascular findings in patients with CRF. The patients with ESRD had significantly higher blood urea nitrogen and serum creatinine than the ones with stable CRF. Echocardiographically right ventricular size, left atrial size, aortic root diameter, left ventricular internal diameters, left ventricular end diastolic and systolic volumes, stroke volume, cardiac output, left ventricular posterior wall and interventricular septal thickness, ejection time and mitral and aortic peak flow rates were significantly higher in patients with CRF than in controls. In contrast, the circumferential fibre shortening and the ejection fraction were reduced in patients with CRF. Global left ventricular dysfunction was found in 47.8% of the patients. Using doppler flow studies, valvular incompetence was detected in a number of patients, mitral regurgitation being found in 84%.76% of the patients with CRF had varying degrees of pericardial effusion. The echocardiographic abnormalities and the pericardial effusions responded six weeks of haemodialysis in a variable manner.
O PROFOWINOJOHN. "August 1998: .". In: In proceeding of the 4th International, Iranian Statistical Conference IISC, TEHERAN, Iran. 1999; 1998. Abstract
n/a
O PROFNYAMBOKISAAC. "Microprobe and X-ray diffraction analyses of the major minerals from Jombo Hill alkaline rocks, Kenya.". In: UUDMP Research Report No. l0.20p. Wiley Interscience; 1978. Abstract
n/a
O PROFOBELARTHUR. "Obel AO. Related Articles, Links Practical therapeutics. Anxiolytic drugs. East Afr Med J. 1981 Aug;58(8):551-6. No abstract available.". In: East Afr Med J. 1981 Aug;58(8):551-6. E Afr Med J; 1981. Abstract

The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.

O PROFOBURRAHERBERT. "Oburra, H. Causes of ear trauma in Kenyan patients.". In: East African Medical Journal 75:323, 1998. MEDICOM; 1998. Abstract
OBJECTIVES: To determine the frequency of adenotonsillectomy in a sample of Kenyan hospitals and to review indications, timing and complications in 97 cases of adenotonsillectomy done by the authors. DESIGN: Retrospective, descriptive study. SETTING: Kenyatta National, Nairobi, Aga Khan, Gertrude and Mater Hospitals. RESULTS: Adenotonsillectomy is the most frequent otolaryngologic surgical operation. Indications for surgery were upper airway obstruction in 61.3%, recurrent tonsillitis in 28.7% and both in 7.5%. Surgery was indicated during the acute stage in 6.8% of cases. There was one case of post-operative acute airway obstruction. Post operative bleeding from the tonsillar bed was encountered in 2.1% of cases. CONCLUSION: Adenotonsillectomy is the most common otolaryngologic surgical operation in our set-up. The low frequency of complications and a short hospital stay puts up a case for routine adenotonsillectomy as a day surgery procedure.
O DROGARAWILLIAM. "Ogara W O, 1997. The Ecology and Biology of saiga (Siaga tatarica Linneaus) found in the Pricaspian Steppe of Kalmwyiky. The Kenya Veterinarian 15: 50-54.". In: journal. The Kenya Veterinarian; 1997. Abstract
As part of a study to assess zoonotic milk-borne health risks, seasonal survey data and unpasteurized milk samples were collected between January 1999 and February 2000 from randomly selected informal milk market agents (220 and 236 samples in the dry and wet seasons, respectively) and from households purchasing raw milk (213 and 219 samples in the dry and wet seasons, respectively) in rural and urban locations in Central Kenya and screened for antibiotics, Brucella abortus (B. abortus) and presence of Escherichia coli (E. coli 0157:H7).The latter was assessed based on samples from consumer households only. Antibodies to B. abortus were screened using the indirect antibody Enzyme Linked Immunosorbent Assay (ELISA) and the Milk Ring Test (MRT). The presence of E. coli 0157:H7 was assessed by culture, biochemical characterization, serological testing for production of verocytotoxin one (VTI) and two (VT2) and polymerase chain reaction (PCR) analysis for the presence of genes encoding for the toxins.                                                                                                         The prevalence of antibodies to B.abortus varied considerably ranging from none in milk sold in small units and originating from intensive production systems to over 10% in samples that were bulked or originating from extensive production systems. E. coli 0157:H7 was isolated from two samples (0.8%), one of which produced VTI. All urban consumers (100%) and nearly all rural consumers (96%) of marketed milk boiled the milk before consumption, mainly in tea, thus reducing chances of exposure to live pathogens and potential health risks.
O PROFOBELARTHUR. "Obel AO, Vere DW. Related Articles, Links Antipyrine and propranolol disposition in malnutrition. East Afr Med J. 1978 Jan;55(1):20-4. No abstract available.". In: East Afr Med J. 1978 Jan;55(1):20-4. E Afr Med J; 1978. Abstract
The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.
O PROFRADINGGEORGE. "G.O. Rading, J. Li and J.T. Berry "Fatigue Crack Growth in Cast Al-Cu Alloy A206 With Different Levels of Porosity" 98 th. AFS Casting Congress, Hamilton, Canada (1994).". In: Mountain Research and Development, vol. 8, no. 2. 2011; 1994. Abstract

The fatigue crack growth (FCG) characteristics of a cast Al-Cu alloy A206 in the T7 temper condition were studied in laboratory air at a frequency of 30 Hz and an R-ratio of 0.2. Two different (as cast) thicknesses and two different casting conditions (casting with and without a chill) were investigated with the aim of characterizing the effect of porosity on the FCG behavior. The level of porosity in each sample was determined by the point-counting method and varied from 2.4 to 4.0% before hot isostatic pressing (HIP).<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

 

The study covered both near-threshold and mid-range regimes of FCG. The results indicate that for this limited range of porosity, there exists no systematic relationship between casting conditions (i.e., chilled or non-chilled) or the as-cast thickness and the average level of porosity. However, in the near-threshold regime, the FCG resistance decreased as the level of porosity increased, while in the mid-range of FCG, the FCG rate was fairly independent of the amount of porosity.

Application of HIP led to a reduction in the porosity level from about 4% to less than 0.4%, but this was accompanied by improvement in the FCG resistance only, close to the threshold. The results are rationalized in terms of the effect of porosity on the micro-mechanisms of fatigue crack growth and the initiation of secondary cracks caused by the size, distribution and morphology, of the pores.

O PROFBWIBONIMROD. "Clinical significance of strongyloides in African children. J Trop Med Hyg . 1971 Apr; 74 ( 4 ): 79-81 . No abstract available. PMID: 5574874 [PubMed - indexed for MEDLINE] Bwibo NO.". In: J Trop Med Hyg . 1971 Apr; 74 ( 4 ): 79-81 . Anim. Hlth. Prod. Afr. 2008; 1971. Abstract

No abstract available

O PROFMCLIGEYOSETH. "McLigeyo S.O., Otieno, L.S., Kinuthia, D.M.W., Mwongera F.K. and Wairagu, S.G.: Pregnancy in patients with nephrotic syndrome. East African Medical Journal. 68(6): 447-483, 1991.". In: East African Medical Journal. 68(6): 447-483, 1991. University of Nairobi.; 1991. Abstract
Department of Medicine, College of Health Sciences, University of Nairobi. Characteristics of 14 patients above 12 years of age with congenital polycystic liver disease attending liver clinic at KNH were analysed. The diagnosis was mainly based on ultrasonographic findings. The disease was found predominantly among the Kikuyu ethnic group with a female/male ratio of 6:1 and the peak age at presentation was in the 5th decade. The liver function tests were essentially normal in all cases with no complication directly relating to liver disease. Hypertension was found in 78.6% of cases and chronic renal failure in 35.7% of cases. There was an associated polycystic disease in at least one other abdominal organ in all cases.
O DROPEREALFRED. "Opere, A.O., Mkhandi S., Willems, P. (2005): At site flood frequency analysis for the Nile equatorial basins. Proceedings of the International conference of FRIEND/Nile FUST project, Sheraton Sharm Hotel, Sharm El Sheik, Egypt.". In: Proc. 7th Kenya Meteorological Society Workshop on Meteorological Research, Applications and Services, Nairobi, 17-21 0ctober 2005. A Matimba, M Oluka, B Ebeshi, J Sayi, Bolaji, J Del Favero , C Van Broeckhoven, AN Guanta; 2005. Abstract
Oral infection with Herpes Simplex Virus (HSV) is a frequent and well documented complication in immunosuppressed individuals including patients on immunosuppressive medication. We report the development of severe oral infection with HSV type 1 in a 34 year old woman with type 1 diabetes mellitus and end stage renal disease (ESRD) following cadaveric renal transplantation at the Western General Hospital, Edinburgh. The role of acyclovir in therapy and chemoprophylaxis is discussed.
O PROFORINDADA. "Musoke RN, Ayisi RK, Orinda DA, Mbiti MJ.Do healthy very-low-birth-weight infants fed on their own mothers' milk require sodium supplementation? Adv Exp Med Biol. 2001;501:431-7.". In: Adv Exp Med Biol. 2001;501:431-7. Earthscan, London. 978-1-84407-469-3 (*); 2001. Abstract

Department of Paediatrics, University of Nairobi, Kenya. Sodium and potassium levels were measured weekly in mothers' milk and in serum and urine of 41 supplemented and 25 unsupplemented very-low-birth-weight infants whose mean birth weights were 1390g and 1332g, respectively (mean gestational age, 31 weeks). Sodium intake was 5.95mmol/kg/day for the supplemented group and 2.75mmol/kg/day for controls. None of the infants in either group was hyponatremic during the 6-week period of study. Urinary sodium in the supplemented group was 15.7mmol/L as compared with 7.5mmol/L in controls. Human milk sodium was significantly lower than reported elsewhere. Growth in the supplemented group was greater than in the unsupplemented group. Since no episode of hyponatremia occurred, it was concluded that routine sodium supplementation was unnecessary.

O MROPIYOELISHATOYNE. "Opiyo E.T.O. (1995). A case-based problem solving strategy: sembe im ipimo gi nyamin.". In: Kenya's first national information technology (IT) conference and exhibition, 29th November - 2nd December, 1995, KICC, Nairobi. UNIVERSITY OF NAIROBI; 1995.
O PROFGENGARIEWA. "R. O. Genga High-Frequency Expansion of Magnetized Classical Plasma Dielectric Tensor; Kenya Journal of Science and Technology (A).". In: International Journal of Theoretical Physics (November 1993 issue. Journal of School of Continuous and Distance Education ; 1992.
O PROFMCLIGEYOSETH. "Ondari C.O., Kibwage I.O., Ndemo F.O. and McLigeyo S.O.: Comparative bioavailability of two brands of chlorpropamide in Kenyans East African Medical Journal 66(10): 663-668, 1989.". In: East African Medical Journal 66(10): 663-668, 1989. University of Nairobi.; 1989. Abstract
We have reviewed the literature relating to the use of monoclonal antibodies in acute renal allograft rejection. More emphasis has been placed on Orthoclone OKT3 which has been more commonly used and summarise our experience with its use as rescue therapy in renal allograft rejection.
O DROPEREALFRED. "Opere, A.O., Mutua, F.M. and L.A. Ogallo (1998): Regional flood frequency analysis. Proceedings of the Fourth workshop of the Kenya Meteorological Society workshop on Meteorological Research, Applications and Services, 7-11 September 1998, Mombasa, Kenya.". In: Journal of African Meteorological Society, vol.15, 2001. A Matimba, M Oluka, B Ebeshi, J Sayi, Bolaji, J Del Favero , C Van Broeckhoven, AN Guanta; 1998. Abstract
Oral infection with Herpes Simplex Virus (HSV) is a frequent and well documented complication in immunosuppressed individuals including patients on immunosuppressive medication. We report the development of severe oral infection with HSV type 1 in a 34 year old woman with type 1 diabetes mellitus and end stage renal disease (ESRD) following cadaveric renal transplantation at the Western General Hospital, Edinburgh. The role of acyclovir in therapy and chemoprophylaxis is discussed.
O PROFMUMMAALBERT. ""The Protection of the Water Environment Through Private Court Action", Water Law, vol. 3/2, 1992, 51.". In: Journal of Environmental Law, vol. 5/2, (1993), at p. 191. Departmental seminar; 1992. Abstract
Oyieke H.A. and Misra A.K:
O PROFORINDADA. "Focal paroxysmal kinesigenic choreoathetosis preceding the development of steele-Richardson-Olszewski syndrome. A. M. Adam, and D.A.O. Orinda, J. Neurology, Neurosurgery and Psychiatry, 1986; 49: 957- 959.". In: Neurosurgery and Psychiatry, 1986; 49: 957- 959. Earthscan, London. 978-1-84407-469-3 (*); 1986. Abstract
Dept. of Human Pathol., Univ. of Nairobi, Kenya. PMID: 3180436 [PubMed - indexed for MEDLINE]
O PROFOYUGIWALTER. ""Ethnicity in the Electoral Process: The 1992 General Elections in Kenya.". In: African Journal of Political Science Vol. 2 No. 2,pp. 41-69. IPPNW; 1997. Abstract
Although military conflicts are common on the African continent, there is a paucity of data regarding bomb-blast injuries in this region and in Kenya in particular. This paper describes the pattern of maxillofacial injuries sustained after the August 1998 bomb blast that occurred in Nairobi, Kenya. A retrospective cross-sectional study was carried out using hospital-based records of 290 bomb-blast survivors admitted at the Kenyatta National Referral and Teaching Hospital in Nairobi. Using a self-designed form to record information about variables such as the sex and age of the survivors and type of location of soft- and hard-tissue injuries, it was found that of the 290 bomb-blast survivors, 78% had sustained one or more maxillofacial injuries. Soft-tissue injuries (cuts, lacerations or bruises) were the most common, constituting 61.3% of all injuries in the maxillofacial region; 27.6% had severe eye injuries, while 1.4% had fractures in the cranio-facial region. This paper concludes that the effective management of bomb-blast injuries as well as those caused by other types of disaster requires a multidisciplinary approach. The high percentage of maxillofacial injuries confirm that maxillofacial surgeons should form an integral part of this multidisciplinary team.
O PROFGENGARIEWA. "G. Kalman & R. O. Genga: High-Frequency Expansion of Plasma Dielectric Tensor; Phys, Rev. A 33, 604 (1986).". In: International Journal of Theoretical Physics (November 1993 issue. Journal of School of Continuous and Distance Education ; 1986.
O PROFMIDIWOJACOB, O PROFMIDIWOJACOB. "A new flavonol tetraglycoside from Myrsina africana leaves.". In: Natural Products letters, 9, 121-126.; 1997. Abstract
n/a
O DRBWANGACALEB. "Bwanga, C.O.; Einarsson S.; Rodriguez .". In: 12th International Congress on Animal Reproduction, the Hague, 1992.Workshop on sperm preservation in swine. The Cleveland Museum of Natural History; 1991.
O PROFOYUGIWALTER. ""Centre-Periphery Linkages in the Development Process: An Assessment of the Kenyan Experience," in F. Kiros, (ed.), Challenging Rural Poverty: Experiences in Institution-Building and Popular Participation for Rural Development in Eastern Africa (Trenton, .". In: Agricultural Administration (Essex) Vol. 19, No. 3,pp. 123-137. IPPNW; 1985. Abstract
Although military conflicts are common on the African continent, there is a paucity of data regarding bomb-blast injuries in this region and in Kenya in particular. This paper describes the pattern of maxillofacial injuries sustained after the August 1998 bomb blast that occurred in Nairobi, Kenya. A retrospective cross-sectional study was carried out using hospital-based records of 290 bomb-blast survivors admitted at the Kenyatta National Referral and Teaching Hospital in Nairobi. Using a self-designed form to record information about variables such as the sex and age of the survivors and type of location of soft- and hard-tissue injuries, it was found that of the 290 bomb-blast survivors, 78% had sustained one or more maxillofacial injuries. Soft-tissue injuries (cuts, lacerations or bruises) were the most common, constituting 61.3% of all injuries in the maxillofacial region; 27.6% had severe eye injuries, while 1.4% had fractures in the cranio-facial region. This paper concludes that the effective management of bomb-blast injuries as well as those caused by other types of disaster requires a multidisciplinary approach. The high percentage of maxillofacial injuries confirm that maxillofacial surgeons should form an integral part of this multidisciplinary team.
O PROFAGUMBAHGILBERTJ. "Agumbah, G.J.O., Masembe, F.N. and Maribei, J.M. (1993). Ovulatory rate, fetal loss and littersize as factors limiting porcine reproductive performance in some Kenyan piggeries. Ind. Vet. J. 70 page 817 - 822.". In: World Veterinary Poultry association. D.M.Matheka,T.N kiama; 1993. Abstract
The stability of adrenaline ophthalmic solutions, at pH 5.8 and 7.4, to sterilization and storage conditions has been studied. Solutions sterilized by filtration or heating at 98 degrees C for 30 min showed no detectable degradation at either pH value, whilst sterilization at higher temperatures resulted in losses of up to 30%. Total degradation increased with increasing sterilization temperature at both pH values.
O PROFBWIBONIMROD. "The potential of increased meat intake to improve iron nutrition in rural Kenyan schoolchildren. Int J Vitam Nutr Res . 2007 May; 77 ( 3 ): 193-8 . PMID: 18214020 [PubMed - indexed for MEDLINE] Grillenberger M, Murphy SP, Neumann CG, Bwibo NO, Verhoef H,.". In: Int J Vitam Nutr Res . 2007 May; 77 ( 3 ): 193-8 . Anim. Hlth. Prod. Afr. 2008; 2007. Abstractthe_potential_of_increased_meat_intake_to_improve_iron_nutrition.pdf

Division of Human Nutrition, Wageningen University, Wageningen, The Netherlands.

Schoolchildren in developing countries often have inadequate intakes of iron, due primarily to poor bioavailability. Increasing meat in the diet could improve both the amount of iron consumed and its availability. The effect of increases in intakes of meat and ascorbic acid on absorbed iron was investigated by theoretically modifying the habitual diet of rural Kenyan schoolchildren. The projected changes in the amount of absorbed iron and prevalence of inadequate iron intakes were calculated for 78 children (6-9 years of age). The prevalence of inadequate iron intakes decreased from 77% to 54% through the theoretical addition of 50 g beef or 100 mg ascorbic acid and to 23% through the addition of both to dinner each day. To reduce the prevalence of inadequate iron intake to 5%, the addition of 100 g meat plus 150 mg ascorbic acid would be necessary. The combined addition of meat and ascorbic acid to a meal has the potential to reduce the projected prevalence of inadequate iron intakes among these schoolchildren.

PMID: 18214020 [PubMed - indexed for MEDLINE]

O PROFOBURRAHERBERT, PETER DRMUGWE. "Smith AW, Hatcher J, Mackenzie IJ, Thompson S, Bal I, Macharia I, Mugwe P, Okoth-Olende C, Oburra H, Wanjohi Z.Randomised controlled trial of treatment of chronic suppurative otitis media in Kenyan schoolchildren.Lancet. 1996 Oct 26;348(9035):1128-33.". In: Lancet. 1996 Oct 26;348(9035):1128-33. Plant Molecular Biology Reporter Vol. 27, pp. 79-85.; 1996. Abstract

BACKGROUND: The outcomes of treatment of chronic suppurative otitis media (CSOM) are disappointing and uncertain, especially in developing countries. Because CSOM is the commonest cause of hearing impairment in children in these countries, an effective method of management that can be implemented on a wide scale is needed. We report a randomised, controlled trial of treatment of CSOM among children in Kenya; unaffected schoolchildren were taught to administer the interventions. METHODS: We enrolled 524 children with CSOM, aged 5-15 years, from 145 primary schools in Kiambu district of Kenya. The schools were randomly assigned treatments in clusters of five in a ratio of two to dry mopping alone (201 children), two to dry mopping with topical and systemic antibiotics and topical steroids (221 children), and one to no specific treatment (102 children). Schools were matched on factors thought to be related to their socioeconomic status. The primary outcome measures were resolution of otorrhoea and healing of tympanic membranes on otoscopy by 8, 12, and 16 weeks after induction. Absence of perforation was confirmed by tympanometry, and hearing levels were assessed by audiometry. 29 children were withdrawn from the trial because they took non-trial antibiotics. There was no evidence of differences in timing of withdrawals between the groups. FINDINGS: By the 16-week follow-up visit, otorrhoea had resolved in a weighted mean proportion of 51% (95% CI 42-59) of children who received dry mopping with antibiotics, compared with 22% (14-31) of those who received dry mopping alone and 22% (9-35) of controls. Similar differences were recorded by the 8-week and 12-week visits. The weighted mean proportions of children with healing of the tympanic membranes by 16 weeks were 15% (10-21) in the dry-mopping plus antibiotics group, 13% (5-20) in the dry-mopping alone group, and 13% (3-23) in the control group. The proportion with resolution in the dry-mopping alone group did not differ significantly from that in the control group at any time. Hearing thresholds were significantly better for children with no otorrhoea at 16 weeks than for those who had otorrhoea, and were also significantly better for those whose ears had healed than for those with otorrhoea at all times. INTERPRETATION: Our finding that dry mopping plus topical and systemic antibiotics is superior to dry mopping alone contrasts with that of the only previous community-based trial in a developing country, though it accords with findings of most other trials in developed countries. The potential role of antibiotics needs further investigation. Further, similar trials are needed to identify the most cost-effective and appropriate treatment regimen for CSOM in children in developing countries. PIP: 524 children aged 5-15 years with chronic suppurative otitis media (CSOM) were enrolled in a study to determine the effectiveness of different treatment regimens. The subjects were from 145 primary schools in Kenya's Kiambu district. 201 children received dry mopping treatment, 221 received dry mopping with topical and systemic antibiotics and topical steroids, and 102 received no treatment. Participating schools were matched on factors thought to be related to their socioeconomic status. 29 children were withdrawn from the trial for taking non-trial antibiotics, with no evidence observed of differences in the timing of withdrawals between the two groups. At 16 weeks of follow-up, otorrhoea had resolved in a weighted mean proportion of 51% of children who received dry mopping with antibiotics, 22% of children who received dry mopping alone, and 22% of untreated children. Similar differences were observed at 8 and 12 weeks of follow-up. The weighted mean proportions of children with healing of the tympanic membranes by 16 weeks were 15% in the dry-mopping plus antibiotics group, 13% in the dry-mopping alone group, and 13% in the control group. Hearing thresholds were significantly better for children with no otorrhoea at 16 weeks than for those who had otorrhoea, and were also significantly better for those whose ears had healed than for those with otorrhoea at all times.

O OET, Ayienga E, Getao K, Manderick B, Okello-Odongo W, Nowé A. "Dynamic Resource Allocation: A comparison of First Price Sealed Bid and Vickrey Auction Mechanisms in non pre-emptive, no failure situations." International Journal of Computing and ICT Research. 2008;Vol. 1(Special Issue):28-34.
O DROGARAWILLIAM. "Factors Influencing Adoption of Dairy Goats in Meru County, Kenya: Prospects And Constraints.". In: Journal. Journal of Commonwealth Veterinary Association; Submitted.
O PROFMIDIWOJACOB. "Periodic reaction between m-nitrophenol and potassium bromide in acidic solution.". In: Kenya Journal of Science Series A (1988) 9 (1 & 2): 91.; 1988. Abstract
n/a
O PROFMCLIGEYOSETH, K DRKAYIMAJOSHUA. "Muraguri P., McLigeyo S.O., Kayima J.K. Proteinuria, other selected urinary abnormalities and Hypertension among teenage secondary school students in Nairobi, Kenya. East African Medical Journal, 74(8): 467 - 473; 1997.". In: East African Medical Journal, 74(8): 467 - 473; 1997. University of Nairobi.; 1997. Abstract

Four hundred and three teenage secondary school students (50.6% males) from two girls' and two boys' Nairobi City Schools, selected by stratified sampling, were screened to determine the prevalence of proteinuria, haematuria, nitrituria and hypertension. Nine students (2.2%) had significant proteinuria while 14 (3.5%) had microscopic haematuria. Two students had combined proteinuria and haematuria. There was no statistically significant difference in the prevalence of proteinuria and/or haematuria between the sexes. Other urinary abnormalities detected were leucocyturia in 14(3.5%) and nitrites in four (1%). Leucocyturia was commonner in females (p = 0.001). Cloudy urinary appearance was significantly associated with the presence of leucocyturia (p = 0.0028) and proteinuria (p = 0.0276). Neither personal history of recurrent sore throat and skin infections nor family history of hypertension, diabetes mellitus or kidney disease was significantly associated with proteinuria or haematuria. Blood pressure tended to increase with age. Mean systolic and diastolic blood pressures were significantly higher in boys than girls in the age group 15-18 years (P < 0.001). Of the 397 students whose blood pressures were measured, four (1%) were found to be hypertensive. Weight and body mass index were strong positive correlates of blood pressure. The prevalence of proteinuria, haematuria, other urinary abnormalities and hypertension ranges between 1% and 3.5% among teenage secondary school children. The majority are asymptomatic and have no significant associations. It is recommended that routine urinalysis and blood pressure measurements should be part of the school health service so as to identify asymptomatic students who require close monitoring and/or intervention.

O PROFNYINGUROPHILIP. "25th May, 2007 .". In: Algeria Embassy.; 2007. Abstract
n/a
O PROFNYAMBOKISAAC. "The KRISP 94 lithospheric investigation of southern Kenya - the experiments and their main results.". In: In: Fuchs, K., Altherr, R., Muller, B. and Prodehl, C. (Editors). Special Issue: Structure and Dynamic Processes in the Lithosphere of the Afro-Arabian Rift System. Tectonophysics, 278: 121-147. Wiley Interscience; 1997. Abstract
n/a
O PROFAGUMBAHGILBERTJ. "Mutiga, E.R., Ogaa J.S. and Agumbah, (1981). Dystocia in Kenyan cattle. Mod. Vet. Pract. 80, 111 - 113.". In: Wld. Congr. Dis. Cattle. Amsterdam, 7 - 10th Sept. D.M.Matheka,T.N kiama; 1981. Abstract
The stability of adrenaline ophthalmic solutions, at pH 5.8 and 7.4, to sterilization and storage conditions has been studied. Solutions sterilized by filtration or heating at 98 degrees C for 30 min showed no detectable degradation at either pH value, whilst sterilization at higher temperatures resulted in losses of up to 30%. Total degradation increased with increasing sterilization temperature at both pH values.
O PROFBWIBONIMROD. "Bwibo NO. Breastfeeding: past, present and future. East Afr Med J. 1995 Mar;72(3):145-6.". In: East Afr Med J. 1995 Mar;72(3):145-6. Anim. Hlth. Prod. Afr. 2008; 1995. Abstract

Department of Psychiatry and Psychology, Neuropsychiatric Institute, University of California, Los Angeles, CA, USA. swhaley@mednet.ucla.edu

Previous observational studies in developing countries have suggested that diet quality, particularly increased animal source food (ASF) consumption, is positively associated with child cognitive development. This report presents findings from a study in rural Kenya, designed to test the impact of three different diets on the cognitive development of school children. Twelve schools with a total of 555 Standard 1 children (equivalent to U.S. Grade 1) were randomized to one of four feeding interventions: Meat, Milk, Energy or Control (no feeding). Feeding continued for seven school terms (21 mo), and cognitive tests were administered before the commencement of feeding and during every other term of feeding. Hierarchical linear random effects models and associated methods were used to examine the effects of treatment group on changes in cognitive performance over time. Analyses revealed that children receiving supplemental food with meat significantly outperformed all other children on the Raven's Progressive Matrices. Children supplemented with meat, and children supplemented with energy, outperformed children in the Control group on tests of arithmetic ability. There were no group differences on tests of verbal comprehension. Results suggest that supplementation with animal source food has positive effects on Kenyan children's cognitive performance. However, these effects are not equivalent across all domains of cognitive functioning, nor did different forms of animal source foods produce the same beneficial effects. Implications of these findings for supplementation programs in developing countries are discussed.

PMID: 14672297 [PubMed - indexed for MEDLINE]

O DROGARAWILLIAM. "Institutional and organisational requirements for implementing the Livestock Identification and Traceability System in Kenya.". In: Journal. Livestock Research for Rural Development; Submitted. Abstract
G O Matete, J M Gathuma, G Muchemi, W Ogara, N Maingi, W Maritim* and B Moenga* Faculty of Veterinary Medicine, University of Nairobi P.O Box 29053, Nairobi, Kenyageorge.matete@gmail.com* Ministry of Livestock Development P.O Kabete 00625 Kangemi, Nairobi, Kenya   Abstract Livestock Identification and Traceability Systems (LITS) contribute to reduction, control or eliminated safety scares that result from transbounadry diseases outbreaks.  Recent studies on LITS in Kenya have been focused on testing  innovative technology, information and traceability system management, and examining the determinants for effective implementation. This paper analyzes the strengths and limitations of the operating a LITS institutional and organisational mechanisms in Kenya.   The result revealed that a disarticulated intitutional and organisational environment was the main constraint to effective implementation of LITS.  It proposes that for successful implemenation, a regional approach covering multiple countries, substantial private sector involvement and intensive stakeholder education are essential. Keywords: Institutional and organisational mechanisms, livestock identification, traceability  
O PROFMCLIGEYOSETH. "McLigeyo SO.Emerging concepts about the renin angiotensin system: present and future clinical applications. East Afr Med J. 1996 Sep;73(9):607-10. Review.". In: East African Medical Journal 73(9):607-610, 1996. University of Nairobi.; 1996. Abstract
This review article looks at the emerging concepts about the renin angiotensin system. The specific aspects it covers include angiotensin II receptors, angiotensin receptor antagonists and alternative enzymatic pathways for the conversion of angiotensin I to angiotensin II other than angiotensin converting enzyme. The review, additionally, looks at the current and future clinical applications of the above concepts.
O PROFWASUNNAAGGREY. "Wasunna A, Mohammed K. Morbidity and outcome of low birthweight babies of adolescent mothers at Kenyatta National Hospital, Nairobi. East Afr Med J. 2002 Oct;79(10):539-42.". In: East Afr Med J. 2002 Oct;79(10):539-42. John Benjamins Publishing Company; 2002. Abstract

OBJECTIVE: To compare the morbidity and outcome of low birthweight babies (birthweight < 2000 gm) of adolescent (age < 20 years) and older mothers. DESIGN: Cross sectional descriptive study. SETTING: The newborn Unit of the Kenyatta National Hospital. MAIN OUTCOME MEASURES: All babies weighing less than 2000 gm at birth whose mothers consented to the study had their gestational age verified using the Dubowitz scoring system. They were then followed up by daily clinical assessment until discharge, death or up to one month in the ward. The babies were divided into two groups according to their mother's age and then compared with respect to episodes of illness, duration of hospital stay, and overall outcome. RESULTS: One hundred and forty two babies were studied. Of these, 64 were born to adolescent mothers. Babies of the adolescent mothers tended to be more premature (p = 0.0174), be lower in weight (p = 0.0078), had more occurrences of respiratory distress and anaemia (probably reflecting their increased prematurity) and had frequent multiple morbidity events They also had longer hospital stay and they were more likely to die (57.7% compared to 42.3% of babies of older mothers). CONCLUSION: Low birthweight babies of the adolescent mothers were found to be more likely to have increased morbidity and adverse outcome compared to similar babies of older mothers.

O PROFOBELARTHUR. "Koech DK, Obel AO. Treatment of HIV infections and AIDS: new horizons. East Afr Med J. 1990 Jul;67(7 Suppl 2):SS77-81. Review.". In: East Afr Med J. 1990 Jul;67(7 Suppl 2):SS77-81. E Afr Med J; 1990. Abstract

Treatment of HIV infections has involved the use of antiviral drugs as well as those drugs that act against opportunistic infections. Immune modulators have also been used. A review of these drugs is reported emphasizing on those which have great promise in the clinical management of HIV infections in the light of our present knowledge on immunopathology of the disease.

O PROFBWIBONIMROD, SAMSON PROFMEMEJULIUS. "Into Africa. The telemedicine links between Canada, Kenya and Uganda. C.M.A.J. Vol. 136, 398-400, 1987. House M., Koegh E., Hillman D., Bwibo N.O., Meme J. S., Wafula E., Macleods, McCollough N.". In: C.M.A.J. Vol. 136, 398-400, 1987. Anim. Hlth. Prod. Afr. 2008; 1987. Abstract

Department of Pediatrics, UCLA School of Medicine.

Sera of 95 mothers and 129 children from Nairobi, Kenya, collected in 1976, and of 466 adults and 193 children of Embu District, Kenya, collected in 1984 and 1985, were analyzed for the presence of human immunodeficiency virus type 1 (HIV-1) antibodies. Although no HIV-1 seropositivity was demonstrated by western blot analysis in both study groups, 7% of Nairobi mothers and 10% of adult females from Embu District had false positive results by enzyme immunoassay (EIA) compared with less than 1% seroreactivity rates observed in adult males and children. False positive results were not due to simian T lymphotropic virus type III (STLV-IIIAGM)/human T lymphotropic virus type IV (HTLV-IV) seropositivity. Sixty-one percent of the HIV-1 EIA reactive sera could not be explained by cytotoxic activity to lymphocytes bearing the HLA-DR4 or HLA-DQw3 phenotype. We conclude that false positive HIV EIA tests are frequently encountered in East Africa. Seroprevalence rates in rural Africa must be interpreted with caution due to the decreased specificity of HIV EIAs.

PMID: 2840237 [PubMed - indexed for MEDLINE]

O DROGARAWILLIAM. "W O Ogara and J W Thaiya 2005. Problems of Public health importance associated with irrigation. Presented at the Third Biennial Conference of the Veterinary Medicine. UoN in November 2004.". In: journal. The Kenya Veterinarian; 2005. Abstract
As part of a study to assess zoonotic milk-borne health risks, seasonal survey data and unpasteurized milk samples were collected between January 1999 and February 2000 from randomly selected informal milk market agents (220 and 236 samples in the dry and wet seasons, respectively) and from households purchasing raw milk (213 and 219 samples in the dry and wet seasons, respectively) in rural and urban locations in Central Kenya and screened for antibiotics, Brucella abortus (B. abortus) and presence of Escherichia coli (E. coli 0157:H7).The latter was assessed based on samples from consumer households only. Antibodies to B. abortus were screened using the indirect antibody Enzyme Linked Immunosorbent Assay (ELISA) and the Milk Ring Test (MRT). The presence of E. coli 0157:H7 was assessed by culture, biochemical characterization, serological testing for production of verocytotoxin one (VTI) and two (VT2) and polymerase chain reaction (PCR) analysis for the presence of genes encoding for the toxins.                                                                                                         The prevalence of antibodies to B.abortus varied considerably ranging from none in milk sold in small units and originating from intensive production systems to over 10% in samples that were bulked or originating from extensive production systems. E. coli 0157:H7 was isolated from two samples (0.8%), one of which produced VTI. All urban consumers (100%) and nearly all rural consumers (96%) of marketed milk boiled the milk before consumption, mainly in tea, thus reducing chances of exposure to live pathogens and potential health risks.
O PROFOBELARTHUR. "Obel AO, Odwako DB. Practical therapeutics: the use of carbamazepine in affective disorders. East Afr Med J. 1985 Mar;62(3):224-8. No abstract available.". In: East Afr Med J. 1985 Mar;62(3):224-8. E Afr Med J; 1985. Abstract
Weights and heights of 674 consecutive non-insulin dependent diabetics and 358 control urban healthy Kenyans were recorded prospectively. Weights and heights of a further 162 healthy rural adults were compared retrospectively. The body mass index (weight/height2) of the non-insulin dependent diabetic was lower than that of the corresponding urban control subject. The body mass index of the rural folk was consistently lower than that of the urban dweller. This study concluded that obesity may not be a significant factor in non-insulin dependent diabetes in the African black.
O DRFARAHKASSIM. "Farah, K. O. 1994. Vegetation, pp. 119-128;.". In: in: Tiffen, Mortimore, Gichuki (eds). More people, less erosion: environmental recovery in Machakos District, Kenya. John Wiley and Sons. Korean Society of Crop Science and Springer; 1994.
O PROFMCLIGEYOSETH. "McLigeyo S.O.: Human organ transplantation in Report of the Seminar and Workshop on Medical ethics and Human Rights and Workshop on Medical Ethics and Human Rights, W. Lore (ed), Commonwealth Medical Association, East and Central Africa region. 1994, pp 2.". In: Commonwealth Medical Association, East and Central Africa region. 1994, pp 26-27. University of Nairobi.; 1994. Abstract
End stage renal disease requiring renal replacement therapy is a common complication of several renal diseases that are seen in the tropics. World over, the costs of the various modalities of therapy that constitute renal replacement therapy, including hemodialysis, continuous ambulatory peritoneal dialysis and renal transplantation, is prohibitive. All the above modes of therapy are provided in Kenya, unlike most countries with similar level of socioeconomic development. This article analyses the factors behind the limited success that renal replacement therapy enjoys in Kenya, which is faced with more pressing basic problems of malnutrition and infection.
O PROFMOSIREUBEN. "Thorpe, W., P. Kang.". In: J. Dairy Sci. 76:2001. Elsevier; 2001. Abstract
PIP: The efficacy and complication rate of menstrual regulation with the hand-held Karman cannula was tested on 223 women with amenorrhea up to 56 days in the Dept. of Obstetrics and Gynecology, University of Nairobi, Kenya from October 1982-January 1983. 195 women had positive pregnancy tests, while menstrual regulation was done on the others because of concern over late menses. the procedures were done without anesthesia with a 50 ml vacuum syringe fitted with a self-locking plunger, a rubber adaptor and stop cock, 5-8 mm flexible plastic Karman cannula and a toothless volsellum, using hibitane solution and savlon antiseptic. The average procedure time was 7 minutes. Bleeding lasted over 1 week in 4%, total blood loss was over 50 ml in 3.1%, and immediate side effects were syncope in 1.3%, nausea and vomiting in 1.8% and pain in 5.4%. There were 2 (0.8%) cases of endometritis. In Kenya where 60% of all gynecological hospital admissions are for septic abortions, it is essential to provide safe termination as a backup for family planning method failures.
O PROFWASUNNAAGGREY. "Levin AG, Jones M, Kirkham DM, Shah T, Peters TJ, Hill ID, Wasunna A, Brubaker G. Lymphocyte enzyme activities in East African blacks: decrease in 5'nucleotidase and possible relation to immunosuppression. Trans R Soc Trop Med Hyg. 1983;77(6):840-4.". In: Trans R Soc Trop Med Hyg. 1983;77(6):840-4. John Benjamins Publishing Company; 1983. Abstract

Microanalysis of subcellular organelle marker enzymes was applied to cryopreserved lymphocytes (obtained and processed in the field) from East African blacks with moderate to severe malnutrition and subject to locally endemic parasitic and infectious diseases. An initial study demonstrated that activities of these enzymes, with the partial exception of catalase, were stable to cryopreservation. Cryopreserved and thawed lymphocyte specimens (1 to 3 X 10(6) viable cells) from 26 Africans and 20 Caucasian controls were studied. There was a highly significant decrease in 5'nucleotidase activity in these African subjects. Activity of another plasma membrane enzyme, gamma-glutamyl transferase, and of marker enzymes for other intracellular organelles, was not significantly different between the two groups, indicating that the nucleotidase alteration is highly specific. 5'Nucleotidase activity in a group of 17 East African blacks of high socio-economic status lay between the values obtained in the other two groups and was not significantly different from either. Further studies on 5'nucleotidase showed no evidence that the enzyme is functionally different in Africans. The differences in activity of this enzyme in Africans may reflect the known immuno-suppressive effects of infectious disease and malnutrition or may have a genetic basis which may in turn be associated with the pathogenesis of secondary immunodeficiency.

O DRKWASATHOMASO. "Kwasa TO, Ogada SW. The management of cerebral malaria in a provincial general hospital in Kenya. East Afr Med J. 1990 Aug;67(8):568-72.". In: East Afr Med J. 1990 Aug;67(8):568-72. uon; 1990. Abstract
The practice of physicians at the Nakuru Provincial General Hospital (NPGH), Kenya, when dealing with cerebral malaria is reviewed over a 4-month period. The definition, management, and outcome of patients labelled to have cerebral malaria is presented and criticism of their practice offered in a manner applicable to other rural hospitals in Kenya.
O PROFOBELARTHUR. "Obel AO. Practical therapeutics: the use of histamine receptor antagonists in contemporary times. East Afr Med J. 1984 Jul;61(7):578-82. No abstract available.". In: East Afr Med J. 1984 Jul;61(7):578-82. E Afr Med J; 1984. Abstract

Weights and heights of 674 consecutive non-insulin dependent diabetics and 358 control urban healthy Kenyans were recorded prospectively. Weights and heights of a further 162 healthy rural adults were compared retrospectively. The body mass index (weight/height2) of the non-insulin dependent diabetic was lower than that of the corresponding urban control subject. The body mass index of the rural folk was consistently lower than that of the urban dweller. This study concluded that obesity may not be a significant factor in non-insulin dependent diabetes in the African black.

O DROGARAWILLIAM. "Tetracycline residue levels in cattle meat from Nairobi slaughter houses in Kenya. The Korean Society of Veterinary Science. J. Vet. Sci. 2 (2), 97-101.". In: journal. The Kenya Veterinarian; 2001. Abstract
As part of a study to assess zoonotic milk-borne health risks, seasonal survey data and unpasteurized milk samples were collected between January 1999 and February 2000 from randomly selected informal milk market agents (220 and 236 samples in the dry and wet seasons, respectively) and from households purchasing raw milk (213 and 219 samples in the dry and wet seasons, respectively) in rural and urban locations in Central Kenya and screened for antibiotics, Brucella abortus (B. abortus) and presence of Escherichia coli (E. coli 0157:H7).The latter was assessed based on samples from consumer households only. Antibodies to B. abortus were screened using the indirect antibody Enzyme Linked Immunosorbent Assay (ELISA) and the Milk Ring Test (MRT). The presence of E. coli 0157:H7 was assessed by culture, biochemical characterization, serological testing for production of verocytotoxin one (VTI) and two (VT2) and polymerase chain reaction (PCR) analysis for the presence of genes encoding for the toxins.                                                                                                         The prevalence of antibodies to B.abortus varied considerably ranging from none in milk sold in small units and originating from intensive production systems to over 10% in samples that were bulked or originating from extensive production systems. E. coli 0157:H7 was isolated from two samples (0.8%), one of which produced VTI. All urban consumers (100%) and nearly all rural consumers (96%) of marketed milk boiled the milk before consumption, mainly in tea, thus reducing chances of exposure to live pathogens and potential health risks.
O PROFOBELARTHUR. "Obel AO. Pharmacokinetics in medicine. East Afr Med J. 1982 Nov;59(11):703-4. No abstract available.". In: East Afr Med J. 1982 Nov;59(11):703-4. E Afr Med J; 1982. Abstract
The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.
O PROFBWIBONIMROD. "Clinical aspects of sickle cell disease in Nairobi children. Am J Pediatr Hematol Oncol . 1982 Summer; 4 ( 2 ): 187-90 . PMID: 6956242 [PubMed - indexed for MEDLINE] Bwibo NO, Kasili EG.". In: Am J Pediatr Hematol Oncol . 1982 Summer; 4 ( 2 ): 187-90 . Anim. Hlth. Prod. Afr. 2008; 1982. Abstract

Children with sickle cell disease in Nairobi come from tribes living in malarial regions of Kenya. The clinical presentation and complications of this disease are described. The symptoms at onset are nonspecific but the typical features that follow are easy to recognize. Cardiac murmurs and persistently enlarged spleen in older children pose diagnostic challenges. Poor appetite and failure to thrive are common; so are school absenteeism due to crises and infection. The use of white blood cell counts to determine the presence of infection during crises is described.

PMID: 6956242 [PubMed - indexed for MEDLINE]

O PROFMCLIGEYOSETH. "Mathenge, R.N., McLigeyo S.O., Mutua, A.K. and Otieno, L.S.: The Spectrum of achocardiographic findings in chronic renal failure. East African Medical Journal 70(2): 107-111, 1993.". In: East African Medical Journal 70(2): 107-111, 1993. University of Nairobi.; 1993. Abstract
In a six month period at the Kenyatta National Hospital, 46 patients (30 males) with chronic renal failure (CRF) and 22 healthy subjects have had a clinical and echocardiographic study of their cardiovascular systems. The patients with CRF were further classified as stable or in end stage renal disease (ESRD), the latter group requiring dialysis. Hypertension and circulatory congestion were the commonest clinical cardiovascular findings in patients with CRF. The patients with ESRD had significantly higher blood urea nitrogen and serum creatinine than the ones with stable CRF. Echocardiographically right ventricular size, left atrial size, aortic root diameter, left ventricular internal diameters, left ventricular end diastolic and systolic volumes, stroke volume, cardiac output, left ventricular posterior wall and interventricular septal thickness, ejection time and mitral and aortic peak flow rates were significantly higher in patients with CRF than in controls. In contrast, the circumferential fibre shortening and the ejection fraction were reduced in patients with CRF. Global left ventricular dysfunction was found in 47.8% of the patients. Using doppler flow studies, valvular incompetence was detected in a number of patients, mitral regurgitation being found in 84%.76% of the patients with CRF had varying degrees of pericardial effusion. The echocardiographic abnormalities and the pericardial effusions responded six weeks of haemodialysis in a variable manner.
O PROFOWINOJOHN. "Owino J., N. J. Muthama & S. Marigi (2004): .". In: J. African Society for Biomathematics, Series1, pp 133 . 1999; 2004. Abstract
n/a
O PROFNYAMBOKISAAC. "Distribution of trace elements and their petrogenetic significance in the Jombo Hill alkaline rocks, Kenya.". In: UUDMP Research Report No. 10. 14p. Wiley Interscience; 1978. Abstract
n/a
O MROPIYOELISHATOYNE. "Wambui P.N., Opiyo E.T.O. and Rodrigues A.J. (Eds) Kizza J.M., Lynch K., Nath R.., & Aisbett J. (2010). License Plate Recognition System: Localization for Kenya.". In: In Strengthening the Role of ICT in Development, 2010. Vol VI pp355-366, ISBN 978-9970-25- 015-8. UNIVERSITY OF NAIROBI; 2010.
O PROFOBELARTHUR. "Obel AO. Related Articles, Links Practical therapeutics–use of oral anti-diabetic agents. East Afr Med J. 1982 Feb;59(2):91-5. No abstract available.". In: East Afr Med J. 1982 Feb;59(2):91-5. E Afr Med J; 1982. Abstract

The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.

O PROFOBURRAHERBERT. "Gacani W, Bal IS, Babu MA, Oburra HO.Distant metastases from nasopharyngeal carcinoma at Kenyatta National Hospital, Nairobi.East Afr Med J. 2001 Dec;78(12):678-81.". In: East Afr Med J. 2001 Dec;78(12):678-81. MEDICOM; 2001. Abstract
OBJECTIVES: To determine the frequency and site of distant infraclavicular metastases of nasopharyngeal carcinoma (NPC), the stage of the primary tumour at presentation of metastasis and the histological trends. To determine if there is a correlation between the follow-up rate and different metastatic sites. DESIGN: A retrospective study. SETTING: Ear nose and throat surgical and radiotherapy clinics at Kenyatta National Hospital, Nairobi. SUBJECTS: Case notes, radiotherapeutic and laboratory records of patients presenting with NPC between January 1981 and December 1990. RESULTS: The frequency of distant NPC metastases was 14.6% and 92.3% manifested within 24 months of admission. It was most frequent in the males, a younger age group and early T1 disease. Bilaterality of the neck nodes had no relevance on metastatic rate. The bone (66.7%) was the most common distant metastatic destination followed by the liver (23.2%). Liver metastasis was associated with a shorter follow-up period. CONCLUSION: Apart from the late presentation of locoregional disease, the findings are similar to studies elsewhere. The preponderance of early primary disease in patients with distant metastasis need further appraisal as it preliminarily suggests existence of specific biological markers that favour metastases. This can only be done after recruiting more cases.
O DROGARAWILLIAM. "Ogara W O, 1998. Animals, Husbandry, Utilization and the Environment. Proceedings of Environment Litigation Workshop, Mombasa 1998: 14 .". In: journal. The Kenya Veterinarian; 1998. Abstract
As part of a study to assess zoonotic milk-borne health risks, seasonal survey data and unpasteurized milk samples were collected between January 1999 and February 2000 from randomly selected informal milk market agents (220 and 236 samples in the dry and wet seasons, respectively) and from households purchasing raw milk (213 and 219 samples in the dry and wet seasons, respectively) in rural and urban locations in Central Kenya and screened for antibiotics, Brucella abortus (B. abortus) and presence of Escherichia coli (E. coli 0157:H7).The latter was assessed based on samples from consumer households only. Antibodies to B. abortus were screened using the indirect antibody Enzyme Linked Immunosorbent Assay (ELISA) and the Milk Ring Test (MRT). The presence of E. coli 0157:H7 was assessed by culture, biochemical characterization, serological testing for production of verocytotoxin one (VTI) and two (VT2) and polymerase chain reaction (PCR) analysis for the presence of genes encoding for the toxins.                                                                                                         The prevalence of antibodies to B.abortus varied considerably ranging from none in milk sold in small units and originating from intensive production systems to over 10% in samples that were bulked or originating from extensive production systems. E. coli 0157:H7 was isolated from two samples (0.8%), one of which produced VTI. All urban consumers (100%) and nearly all rural consumers (96%) of marketed milk boiled the milk before consumption, mainly in tea, thus reducing chances of exposure to live pathogens and potential health risks.
O PROFOBELARTHUR, O PROFOBELARTHUR. "Obel AO.Practical therapeutics current concepts in management of bronchial asthma. East Afr Med J. 1981 May;58(5):311-7. No abstract available.". In: East Afr Med J. 1981 Jan;58(1):8-11. E Afr Med J; 1981. Abstract
The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.
O PROFRADINGGEORGE. "G.O. Rading "Fatigue Crack Growth in Welded Al-Li-Cu Alloy 2095 (WeldaliteTM 049)" Ph.D. Dissertation, University of Alabama (1994).". In: Mountain Research and Development, vol. 8, no. 2. 2011; 1994.
O PROFBWIBONIMROD. "Iron nutrition in infancy. East Afr Med J . 1971 Dec; 48 ( 12 ): 741-3 . No abstract available. PMID: 5148607 [PubMed - indexed for MEDLINE] Bwibo NO.". In: East Afr Med J . 1971 Dec; 48 ( 12 ): 741-3 . Anim. Hlth. Prod. Afr. 2008; 1971. Abstract

No abstract available

O PROFMCLIGEYOSETH. "Ogutu, E.O. and McLigeyo, S.O.: Adult Polycystic liver disease at Kenyatta National Hospital. East African Medical Journal. 68(3): 204-352-358, 1991.". In: East African Medical Journal. 68(3): 204-352-358, 1991. University of Nairobi.; 1991. Abstract
Department of Medicine, College of Health Sciences, University of Nairobi. Characteristics of 14 patients above 12 years of age with congenital polycystic liver disease attending liver clinic at KNH were analysed. The diagnosis was mainly based on ultrasonographic findings. The disease was found predominantly among the Kikuyu ethnic group with a female/male ratio of 6:1 and the peak age at presentation was in the 5th decade. The liver function tests were essentially normal in all cases with no complication directly relating to liver disease. Hypertension was found in 78.6% of cases and chronic renal failure in 35.7% of cases. There was an associated polycystic disease in at least one other abdominal organ in all cases.
O DROPEREALFRED. "The Role of ICPAC in the generation, application and dissemination of climate products: Expert Meeting on Climate Change and Water Resources, Geneva, Switzerland: 18-20 December 2006.". In: Vulnerability to Climate-Induced Highland Malaria in East AIACC Working Paper No.25; 47pp. A Matimba, M Oluka, B Ebeshi, J Sayi, Bolaji, J Del Favero , C Van Broeckhoven, AN Guanta; 2006. Abstract
Oral infection with Herpes Simplex Virus (HSV) is a frequent and well documented complication in immunosuppressed individuals including patients on immunosuppressive medication. We report the development of severe oral infection with HSV type 1 in a 34 year old woman with type 1 diabetes mellitus and end stage renal disease (ESRD) following cadaveric renal transplantation at the Western General Hospital, Edinburgh. The role of acyclovir in therapy and chemoprophylaxis is discussed.
O MROPIYOELISHATOYNE. "Musyoka G. M., Elisha Opiyo (2000). The Role of Computers in Teaching and Research in Mathematics.". In: In Career Improvement Workshop in Mathematics and Computer Science, 27th February . UNIVERSITY OF NAIROBI; 2000.
O PROFGENGARIEWA. "R. O. Genga High-Frequency Relativistic Sum-rules for Quantum Dielectric Tensor II; Radiation Effect; ).". In: International Journal of Theoretical Physics (November 1993 issue. Journal of School of Continuous and Distance Education ; 1993.
O DRACHIATHOMASN. "Identification of determinants of infant mortality in Rwanda using a shared frailty model.". In: European Journal of Scientific Research. John Benjamins Publishing Company; 2010. Abstract
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O DRLUMUMBAPATRICK. "NATIONAL CULTURE AND CONSTITUTION REVIEW PROCESS: BRIDGING THE GAP.". In: Kenya Nursing Journal, Vol. 33 No. 1. Gitau, W., Ogallo L. A. and Mutemi, J. N.,; 1998.
O PROFMCLIGEYOSETH. "McLigeyo, S.O.,Notghi, A., Anderton, J.L., Dick, J.: The use of mnoclonal antibodies in the treatment of acute renal allograft rejection - A Review article and a summary of our experience. East African Medical Journal, 67(9): 667-673, 1990.". In: East African Medical Journal, 67(9): 667-673, 1990. University of Nairobi.; 1990. Abstract
In 7 years (1981-1988) at the Kenyatta National Hospital (KNH), Nairobi the diagnosis of systemic lupus erythematosus (SLE) was made in 67 patients. In 23 of these patients lupus nephritis complicated the SLE. Lupus nephritis was diagnosed through renal biopsy, haematuria and proteinuria in urine with positive lupus erythematosus (LE) cell phenomenon. The histology found in these patients included 5 patients with minimal lesion, 7 patients with membranous, 3 with focal, 4 with diffuse, 3 with crescenteric and one with membranoproliferative glomerulonephritis. While patients with minimal, membranous and focal nephritis had general good outlook on low dose maintenance or intermittent high dose steroid therapy the others with diffuse, crescenteric and membranoproliferative nephritis had poor prognosis. Patients with diffuse proliferative, membranoproliferative and crescenteric nephritis tended to have septicaemia, pulmonary oedema, fluid overload and chronic renal failure with poor prognosis. These patients responded poorly to oral and parenteral steroid therapy whether high or low dose.
O DRACHIATHOMASN. "Linear Estimation of Standard deviation of Logistic Distribution.". In: Theory and Algorithms in InterStat. John Benjamins Publishing Company; 2003. Abstract
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O DROPEREALFRED. "Opere, A.O., Awuor, V.O., Kooke, S.O. and W.O. Omoto (2002): Impact of rainfall variability on water resource management. Proceedings of the 3rd WaterNet/Warfsa Symposium, WhiteSands Hotel, Dar-es-Salaam, Tanzania, 30-31 October 2002.". In: Journal of African Meteorological Society, March 2002. A Matimba, M Oluka, B Ebeshi, J Sayi, Bolaji, J Del Favero , C Van Broeckhoven, AN Guanta; 2002. Abstract
Oral infection with Herpes Simplex Virus (HSV) is a frequent and well documented complication in immunosuppressed individuals including patients on immunosuppressive medication. We report the development of severe oral infection with HSV type 1 in a 34 year old woman with type 1 diabetes mellitus and end stage renal disease (ESRD) following cadaveric renal transplantation at the Western General Hospital, Edinburgh. The role of acyclovir in therapy and chemoprophylaxis is discussed.
O PROFMUMMAALBERT. "1. Environmental Law: Meeting UK & EC Requirements, McGraw Hill, London.". In: UCLA Journal of Environmental Law and Policy, vol. 19, 2000/2001, No. 1 at p. 181. Departmental seminar; 1995. Abstract
Oyieke H.A. and Misra A.K:
O PROFORINDADA. "Cholelithiasis in the Kenyan African. East Afr Med J. 1990 Sep;67(9):656-60.". In: East Afr Med J. 1990 Sep;67(9):656-60. Earthscan, London. 978-1-84407-469-3 (*); 1990. Abstract
A prospective and retrospective review of 20 cases of cholelithiasis diagnosed at Kenyatta National Hospital (KNH) between June 1987 and June 1989 was done. Females were more often affected (6 times) than their male counterparts. 94% of the females were parous with a mean parity of 5.6. Most patients were in the 4th decade at the time of diagnosis. Qualitative analysis for gall-stones showed evidence of cholesterol in all stones analysed with calcium being detected in only one female patient.
O PROFOYUGIWALTER. ""Decentralisation for Good Governance and Development in Africa: A Conceptual Overview," in Regional Development Dialogue, Vol. 21, No. 1. Spring 2000, pp. 3-22.". In: Walter B. Stohr, J.S. Edralin and Medyani Mani, (eds.), Decentralisation, Governance, and New Planning for Local Level Development (Westport, CT: Greenwood Publishing Group). IPPNW; 2000. Abstract
Although military conflicts are common on the African continent, there is a paucity of data regarding bomb-blast injuries in this region and in Kenya in particular. This paper describes the pattern of maxillofacial injuries sustained after the August 1998 bomb blast that occurred in Nairobi, Kenya. A retrospective cross-sectional study was carried out using hospital-based records of 290 bomb-blast survivors admitted at the Kenyatta National Referral and Teaching Hospital in Nairobi. Using a self-designed form to record information about variables such as the sex and age of the survivors and type of location of soft- and hard-tissue injuries, it was found that of the 290 bomb-blast survivors, 78% had sustained one or more maxillofacial injuries. Soft-tissue injuries (cuts, lacerations or bruises) were the most common, constituting 61.3% of all injuries in the maxillofacial region; 27.6% had severe eye injuries, while 1.4% had fractures in the cranio-facial region. This paper concludes that the effective management of bomb-blast injuries as well as those caused by other types of disaster requires a multidisciplinary approach. The high percentage of maxillofacial injuries confirm that maxillofacial surgeons should form an integral part of this multidisciplinary team.
O PROFGENGARIEWA. "R. O. Genga High-Frequency Sum-Rules for classical Plasmas in a Magnetic Field; Presented at .". In: International Journal of Theoretical Physics (November 1993 issue. Journal of School of Continuous and Distance Education ; 1987.
O PROFMIDIWOJACOB, ABIY PROFYENESEW, O PROFMIDIWOJACOB. "Four Isoflavones from the Stem Bark of Erythrina sacleuxii.". In: Phytochemistry, 49, 1, 247-249.; 1998. Abstract
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O DRBWANGACALEB. "Bwanga, C.O.; Hofino P.O.; Grevle, I.S. Einarsson S. & H. Rodriguez- Martinez H : In vivo fertilizing capacity of deep-frozen boar semen packaged in plastic bags and maxi-straws. J. Vet. Med. A38, 281-286.". In: 12th International Congress on Animal Reproduction, the Hague, 1992.Workshop on sperm preservation in swine. The Cleveland Museum of Natural History; 1991.
O PROFORINDADA. "Activirale Aktivitat von Inhaltastoffen der Composite Echinacea purpurea.D.A.O. Orinda, et al Arrneim. Forsch. (Drug Res.) 23, 1119-1120 (1973).". In: (Drug Res.) 23, 1119-1120 (1973). Earthscan, London. 978-1-84407-469-3 (*); 1973. Abstract
No abstract available. PMID: 163952 [PubMed - indexed for MEDLINE]
O PROFOYUGIWALTER. ""Kenya: Two Decades of Decentralisation Efforts," in African Administrative Studies (Tangier) No. 26, pp.133-161.". In: Walter O. Oyugi and A. Gitonga, (eds.), Democratic Theory and Practice in Africa (Nairobi: Heinemann Publishers Ltd., 1987), pp. 99-110. IPPNW; 1986. Abstract
Although military conflicts are common on the African continent, there is a paucity of data regarding bomb-blast injuries in this region and in Kenya in particular. This paper describes the pattern of maxillofacial injuries sustained after the August 1998 bomb blast that occurred in Nairobi, Kenya. A retrospective cross-sectional study was carried out using hospital-based records of 290 bomb-blast survivors admitted at the Kenyatta National Referral and Teaching Hospital in Nairobi. Using a self-designed form to record information about variables such as the sex and age of the survivors and type of location of soft- and hard-tissue injuries, it was found that of the 290 bomb-blast survivors, 78% had sustained one or more maxillofacial injuries. Soft-tissue injuries (cuts, lacerations or bruises) were the most common, constituting 61.3% of all injuries in the maxillofacial region; 27.6% had severe eye injuries, while 1.4% had fractures in the cranio-facial region. This paper concludes that the effective management of bomb-blast injuries as well as those caused by other types of disaster requires a multidisciplinary approach. The high percentage of maxillofacial injuries confirm that maxillofacial surgeons should form an integral part of this multidisciplinary team.
O PROFAGUMBAHGILBERTJ. "Agumbah, G.J.O., Tafirei, G., Mudenge, D. and Shumba, W. (1995). Testicular Ultrasonography in bucks and rams. Indian Vet. Journal, Vol. 72, 829 - 834.". In: World Veterinary Poultry association. D.M.Matheka,T.N kiama; 1995. Abstract
The stability of adrenaline ophthalmic solutions, at pH 5.8 and 7.4, to sterilization and storage conditions has been studied. Solutions sterilized by filtration or heating at 98 degrees C for 30 min showed no detectable degradation at either pH value, whilst sterilization at higher temperatures resulted in losses of up to 30%. Total degradation increased with increasing sterilization temperature at both pH values.
O DROGARAWILLIAM. "Institutional and organisational requirements for implementing the Livestock Identification and Traceability System in Kenya.". In: Journal. Livestock Research for Rural Development; Submitted. Abstract
G O Matete, J M Gathuma, G Muchemi, W Ogara, N Maingi, W Maritim* and B Moenga* Faculty of Veterinary Medicine, University of Nairobi P.O Box 29053, Nairobi, Kenyageorge.matete@gmail.com* Ministry of Livestock Development P.O Kabete 00625 Kangemi, Nairobi, Kenya   Abstract Livestock Identification and Traceability Systems (LITS) contribute to reduction, control or eliminated safety scares that result from transbounadry diseases outbreaks.  Recent studies on LITS in Kenya have been focused on testing  innovative technology, information and traceability system management, and examining the determinants for effective implementation. This paper analyzes the strengths and limitations of the operating a LITS institutional and organisational mechanisms in Kenya.   The result revealed that a disarticulated intitutional and organisational environment was the main constraint to effective implementation of LITS.  It proposes that for successful implemenation, a regional approach covering multiple countries, substantial private sector involvement and intensive stakeholder education are essential. Keywords: Institutional and organisational mechanisms, livestock identification, traceability  
O PROFMIDIWOJACOB. "Benzoquinone Pigments in Kenyan Myrsinaceae:.". In: New 2,5-dihydroxyakyl derivatives from Maesa lanceolata. Bull. Chem. Soc. Ethiop. (1990), 4 (1) 71.; 1990. Abstract
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O MS. "Curtailing maternal to child transmission of HIV." East African Medical Journal.2002:79 (11);563 . 2002;79(11):563. AbstractWebsite

We present two cases of neurofibromatosis type 1 (NF-1), one a 35 year old male who first recognised his problem at the age of fifteen years and at the time of assessment, satisfied the National Institute of Health (NIH) diagnostic criteria for NF-1 and had a nodular plexiform neurofibroma involving the left fifth dorsal nerve root and a diffuse plexiform neurofibroma involving the left lower limb. The second patient, a 45 year old female recognised her problem at the age of 39 years, did not quite satisfy the NIH diagnostic criteria for NF 1 and had diffuse plexiform neurofibroma involving both lower limbs and buttocks almost symmetrically, a finding which has not previously been described to the best of our knowledge. The scarcity of management options are briefly outlined.

O PROFNYINGUROPHILIP. "13th July, 2007 .". In: Dar es Salaam, Tanzania.; 2007. Abstract
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O PROFNYAMBOKISAAC. "Neotectonics and stress pattern in Africa.". In: In: Bormann, P. (Editor). Regional International Training Course Volume (1997) on Seismology and Seismic Hazard Assessment. Scientific Technical Report STR 98/05. Potsdam. 177-181. Wiley Interscience; 1998. Abstract
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O PROFOYUGIWALTER. ""The Special Rural Development Programme (SRDP): An Assessment," in East African Journal, Vol. 9, No. 3, March 1976.". In: East African Journal of Rural Development, Vol. 9, 9 June 1976. IPPNW; 1976. Abstract

Although military conflicts are common on the African continent, there is a paucity of data regarding bomb-blast injuries in this region and in Kenya in particular. This paper describes the pattern of maxillofacial injuries sustained after the August 1998 bomb blast that occurred in Nairobi, Kenya. A retrospective cross-sectional study was carried out using hospital-based records of 290 bomb-blast survivors admitted at the Kenyatta National Referral and Teaching Hospital in Nairobi. Using a self-designed form to record information about variables such as the sex and age of the survivors and type of location of soft- and hard-tissue injuries, it was found that of the 290 bomb-blast survivors, 78% had sustained one or more maxillofacial injuries. Soft-tissue injuries (cuts, lacerations or bruises) were the most common, constituting 61.3% of all injuries in the maxillofacial region; 27.6% had severe eye injuries, while 1.4% had fractures in the cranio-facial region. This paper concludes that the effective management of bomb-blast injuries as well as those caused by other types of disaster requires a multidisciplinary approach. The high percentage of maxillofacial injuries confirm that maxillofacial surgeons should form an integral part of this multidisciplinary team.

O PROFWASUNNAAGGREY, N PROFMUSOKERACHEL, N PROFWEREFREDRICK. "Were FN, Lusweti B, Wasunna A , Musoke RN.Isdelivery outside hospital a risk of development of early sepsis?". In: Journal of Obstetrics and gynaecology East and Central Africa Vol 17:1; 19-24, 2004. F.N. kamau, G. N Thothi and I.O Kibwage; 2004. Abstract
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O PROFAGUMBAHGILBERTJ. "Agumbah G.J.O., Ogaa J.S. Mutiga E.R. and Muraguri, J. (1983). Coliform mastitis in the Nairobi area of Kenya: Bacteriological types, antimicrobial sensitivity patterns and clinical problems of treatment. Ken. Vet. 7(1) - 20.". In: Ken. Vet. Assoc. Scientific Seminars, April, 1987, Nyeri,Kenya. D.M.Matheka,T.N kiama; 1983. Abstract
The stability of adrenaline ophthalmic solutions, at pH 5.8 and 7.4, to sterilization and storage conditions has been studied. Solutions sterilized by filtration or heating at 98 degrees C for 30 min showed no detectable degradation at either pH value, whilst sterilization at higher temperatures resulted in losses of up to 30%. Total degradation increased with increasing sterilization temperature at both pH values.
O PROFBWIBONIMROD. "Kenyan school children have multiple micronutrient deficiencies, but increased plasma vitamin B-12 is the only detectable micronutrient response to meat or milk supplementation. J Nutr . 2003 Nov; 133 ( 11 Suppl 2 ): 3972S-3980S . PMID: 14672298 [PubMed -.". In: J Nutr . 2003 Nov; 133 ( 11 Suppl 2 ): 3972S-3980S . Anim. Hlth. Prod. Afr. 2008; 2003. Abstract

Program in International Nutrition, University of California, Davis, CA 95616, USA.

Animal source foods (ASF) can provide micronutrients in greater amounts and more bioavailable forms compared to plant source foods, but their intake is low in many poor populations. However, the impact of ASF on micronutrient status of undernourished populations has not been assessed. Supplemental meat (60-85 g/d), milk (200-250 mL/d) or energy (isocaloric with the meat and milk, 240-300 kcal/d) were randomly assigned to 555 undernourished school children aged 5-14 y in a rural malaria-endemic area of Kenya, at one school meal daily for one school year. Blood and stool samples were collected at baseline and after 1 y to assess stool parasites, malaria, hemoglobin, serum or plasma C-reactive protein, ferritin, iron, zinc, copper, vitamin B-12, folate and retinol, and erythrocyte riboflavin. At baseline, there was a high prevalence of micronutrient deficiencies (iron, zinc, vitamins A and B-12 and riboflavin), yet plasma ferritin was low in few children, and none had low serum copper. At the end of the year of supplementation, plasma vitamin B-12 concentrations were significantly increased in children fed the Meat or Milk meal; prevalence of severe plus moderate deficiency fell from 80.7% at baseline to 64.1% in the Meat group and from 71.6 to 45.1% in the Milk group, respectively. No significant improvement was observed in the status of other micronutrients compared to the Energy and Control groups, although malaria and other infections may have obscured effects. Supplementation with small amounts of meat or milk reduced the high prevalence of vitamin B-12 deficiency in these children.

PMID: 14672298 [PubMed - indexed for MEDLINE]

O PROFMCLIGEYOSETH. "Owino, E.A., McLigeyo S.O., Gathua S.N., Nyongo A.: The prevalence of Human Immunodeficiency Virus infectio and its impact on the diagnostic yields in exudative pleural effusions at Kenyatta National Hospital. East African Medical Journal 73(9):575-578, 1.". In: East African Medical Journal 73(9):575-578, 1996. University of Nairobi.; 1996. Abstract
The currently available evidence suggest that diuretics and/or low dose dopamine increases renal blood flow (RBF), glomerular filtration rate (GFR) and natriuresis in experimental animals, and limits ATP utilisation and oxygen needs in nephron segments at high risk of ischaemic injury, actions that could potentially limit renal injury and accelerate recovery in acute renal failure (ARF). These effects have indeed been confirmed in most experimental animals while using mannitol or low dose dopanime. Frusemide, however, for unknown reasons, has been effective in some animal models, but not others. In humans, it can be said that diurectics have a limited value to prevent, reverse or speed recovery from acute renal failure. Most clinical studies have failed to demonstrate convincingly that low dose dopamine either prevents ARF in high risk patients or improves renal function or outcome in patients with established ARF. This confusing scenario is further complicated by the fact that both diuretics and low dose dopamine can result in severe metabolic and cardiovascular complications in critically ill patients.
O PROFNYINGUROPHILIP. "Book Review, Public Administration in World Perspective, by O.P. Dwivedi and Keith M. Henderson, eds.". In: African Urban Quarterly, Vol.6 Nos.1 and 2 February and May.; 1991. Abstract
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O PROFBARONGOJUSTUS. "Barongo, J.O., 1999. Selection of a appropriate model for the interpretation of time-domain airborne electromagnetic data for geological mapping,.". In: Exploration Geophysics 29, 107-110. Canadian Center of Science and Education; 1999. Abstract
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O PROFWASUNNAAGGREY. "Fitzgerald DW, Wasunna A, Pape JW. Ten questions institutional review boards should ask when reviewing international clinical research protocols. IRB. 2003 Mar-Apr;25(2):14-8. No abstract available.". In: IRB. 2003 Mar-Apr;25(2):14-8. John Benjamins Publishing Company; 2003. Abstract
{ BACKGROUND: Meningitis occurs in up to one third of neonates with septicaemia. Diagnosis is difficult due to its non-specificity of signs and symptoms. While neonatal septicaemia is a common problem at Kenyatta National Hospital (KNH), there are no recent data on the incidence and clinical characteristics of neonatal meningitis at the hospital. OBJECTIVE: To evaluate the prevalence and the bacterial aetiology of meningitis in neonates at the Newborn Unit (NBU) of KNH. DESIGN: Descriptive cross-sectional study. SETTING: Newborn Unit of Kenyatta National Hospital, Nairobi, Kenya. SUBJECTS AND METHODS: Lumbar punctures were performed on eighty-four neonates with suspected sepsis based on specified clinical criteria. Cases were defined as meningitis if the cerebrospinal fluid (CSF) was positive for bacteria by Gram stain, aerobic bacterial culture or latex particle agglutination assay. RESULTS: The prevalence of meningitis amongst cases of suspected sepsis was 17.9%. The male:female ratio was 1.5:1 mean birth weight 2116.7 grams (1682.2-2551.2) mean gestational age 35.7 weeks (32.6-38.8) and the mean postnatal age was 4.1 days (2.7-5.4) with none of the parameters being significantly different from those without meningitis. Feed intolerance and lethargy were the most common clinical features, present in 73.3% and 60% of patients with meningitis respectively. Neonates with meningitis had a higher mean CSF protein value (2.67 g/L vs 1.97 g/L
O PROFBWIBONIMROD, SAMSON PROFMEMEJULIUS. "Into Africa. The telemedicine links between Canada, Kenya and Uganda. C.M.A.J. Vol. 136, 398-400, 1987. House M., Koegh E., Hillman D., Bwibo N.O., Meme J. S., Wafula E., Macleods, McCollough N.". In: C.M.A.J. Vol. 136, 398-400, 1987. au-ibar; 1987. Abstract

A case of fanconi's anemia was referred to the Dental School from the Department of Pediatrics. The patient was a 24-year-old male and a product of a consanguineous marriage. His chief complaint was loose and falling teeth, which has started at the age of 16 years. The first teeth to fall out were the first permanent molars followed by mandibular and maxillary anteriors. General examination showed that the patient was of normal intelligence and small for his age. He had no palmar plantar hyperkeratosis and was not diabetic. A total of 19 teeth remained in the mouth, most of them with grade three mobility. The remaining molars and first maxillary premolars had grade three furcation involvement. Most of the teeth had periodontal pockets more than 10 mm deep. Full mouth intraoral periapical radiographs and orthopantomographic views showed severe horizontal bone loss uncommensurate with the patient's age. In view of the patient's history and severe bone loss at an early age, the diagnosis was juvenile periodontitis associated with Fanconi's anemia.

O PROFNYAMBOKISAAC. "The late Proterozoic Yatta Shear Zone: A possible lateral ramp extending across the Kenya Rift.". In: In Opiyo-Aketch (Editor): Proceedings of the 5th Conference of the Geology of Kenya. Geological Society of Kenya Publication. 69-77. Wiley Interscience; 1993. Abstract
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O PROFOBELARTHUR. "Tombe M, Bhatt KM, Obel AO.Clinical surprises and challenges of severe malaria at Kenyatta National Hospital, Kenya. East Afr Med J. 1993 Feb;70(2):117-9. Review.". In: East Afr Med J. 1993 Jul;70(7):401. E Afr Med J; 1993. Abstract

Department of Cariology Endodontology Pedodontology, Academic Centre for Dentistry Amsterdam (ACTA), Louwesweg 1, 1066 EA Amsterdam, The Netherlands. The use of Chewing sticks (Miswaki) in the third world for control of dental plaque is very popular. Some of the studies that have been conducted on this subject have reported marked decrease in the incidences of dental caries and periodontal diseases in the users of Miswaki, when compared to the users of the conventional toothbrush living under similar conditions. Various mechanisms by which the Miswaki contributes to this phenomenon have been suggested. The purpose of the present study was to investigate in vitro, the anti-microbial action, the potential acid buffer capacity and fluoride content of crude aqueous extracts of eight commonly used chewing sticks from three regions in Kenya. The results obtained in the study, showed that one of the Miswaki had remarkable antibiotic activity against three stains of oral bacteria. Three of the Miswaki had significant acid buffer capacity. None of the eight Miswaki showed any significant fluoride release.

O PROFBWIBONIMROD. "Bwibo N O and Ndombi I O Nutrition in Sickness; Chapter VI In: Feeding the Child including recipes Editors: R.K. Oniango, Nimrod O Bwibo, Isiye O Ndombi, Kama O Rogo. Publishers .". In: Publishers . Anim. Hlth. Prod. Afr. 2008; 1988. Abstract

One hundred children comprising of 57 males and 43 females aged between 8 and 24 months entered the study. 46 children had single and 54 children had multiple helminth infections. All children received albendazole 200 mg (10 ml) suspension as a single dose. Albendazole proved very effective and safe in the treatment of single and multiple helminth infections in children under 2 years of age, achieving cure rates of 100% in both Ascaris lumbricoides and Necator americanus respectively, 83% in Trichuris trichiura and 66% in Hymenolepis nana. Treatment of polyparasitism appears to be of benefit in improving nutritional status using haemoglobin concentrations as an index.

PMID: 2591328 [PubMed - indexed for MEDLINE]

O DROGARAWILLIAM. "Prospects And Constraints Facing Women Small-Scale Dairy Farmers In Vihiga District, Western Kenya.". In: journal. The Kenya Veterinarian; 2006. Abstract
One of the major constraints to increased dairy production is lack of adequate feed. The Government of Kenya has encouraged the development of forage technology for adoption to address this constraint. The low adoption has been due to inappropriate technologies and cost of forage production. Data used in the analysis were collected from farmers in Vihiga and Sabatia division of Vihiga District, Western Kenya. Both on-farm experimental and formal survey data were utilized. A sample of 180 farmers was randomly selected using systematic sampling techniques. Cost Benefit analysis was done using Cost-Benefit Ratio (CBR) and Net Present Value (NPV) while regression analysis techniques were used to estimate optimal nutrient levels.   The results of the Cost-Benefit analysis showed most forage technologies were economically viable to adopt. Farmers also ranked highly forage technologies with high economic returns. Based on these findings, research and extension of forage use should emphasise evaluation of forage production technologies as an aid to increasing dairy production and surplus stock food for sale.   Key Words:    Forage technology, Nutrients, Maragoli People, Economic Returns, Smallholder Dairy, Zero Grazing.
O PROFOBELARTHUR. "Obel AO. Body mass index in non-insulin dependent diabetics in Kenya. Trop Geogr Med. 1988 Apr;40(2):93-6.". In: Trop Geogr Med. 1988 Apr;40(2):93-6. E Afr Med J; 1988. Abstract
Weights and heights of 674 consecutive non-insulin dependent diabetics and 358 control urban healthy Kenyans were recorded prospectively. Weights and heights of a further 162 healthy rural adults were compared retrospectively. The body mass index (weight/height2) of the non-insulin dependent diabetic was lower than that of the corresponding urban control subject. The body mass index of the rural folk was consistently lower than that of the urban dweller. This study concluded that obesity may not be a significant factor in non-insulin dependent diabetes in the African black.
O DRFARAHKASSIM. "Diress, T. A., K. O. Farah, and D. M. Nyariki. 1999. Influence of settlements on land use and vegetation in the rangelands of northeastern Ethiopia: Application of aerial photographic technique. J. Hum. Ecol. 10: 349-356.". In: Proceedings of a national workshop of the Pastoral Information Network Programme (PINEP) held at Machakos, Kenya, 14-15 October 1999. Korean Society of Crop Science and Springer; 1999.
O PROFMCLIGEYOSETH. "McLigeyo S.O.: Human Organ Transplantation - Ethical, Legal, Religious and Cultural Issues and their possible relevance to Human Rights. Medicus 13(7): 196-203, 1994.". In: Medicus 13(7): 196-203, 1994. University of Nairobi.; 1994. Abstract
End stage renal disease requiring renal replacement therapy is a common complication of several renal diseases that are seen in the tropics. World over, the costs of the various modalities of therapy that constitute renal replacement therapy, including hemodialysis, continuous ambulatory peritoneal dialysis and renal transplantation, is prohibitive. All the above modes of therapy are provided in Kenya, unlike most countries with similar level of socioeconomic development. This article analyses the factors behind the limited success that renal replacement therapy enjoys in Kenya, which is faced with more pressing basic problems of malnutrition and infection.
O PROFMOSIREUBEN. "Olukoye G.A. and R.O. Mosi (2002). Non-Genetic causes of heterogeneity of variance in milk yield among Holstein-Friesian herds in Kenya.". In: The Kenya Veterinarian. 25(2002):18-23. Elsevier; 2002. Abstract
PIP: The efficacy and complication rate of menstrual regulation with the hand-held Karman cannula was tested on 223 women with amenorrhea up to 56 days in the Dept. of Obstetrics and Gynecology, University of Nairobi, Kenya from October 1982-January 1983. 195 women had positive pregnancy tests, while menstrual regulation was done on the others because of concern over late menses. the procedures were done without anesthesia with a 50 ml vacuum syringe fitted with a self-locking plunger, a rubber adaptor and stop cock, 5-8 mm flexible plastic Karman cannula and a toothless volsellum, using hibitane solution and savlon antiseptic. The average procedure time was 7 minutes. Bleeding lasted over 1 week in 4%, total blood loss was over 50 ml in 3.1%, and immediate side effects were syncope in 1.3%, nausea and vomiting in 1.8% and pain in 5.4%. There were 2 (0.8%) cases of endometritis. In Kenya where 60% of all gynecological hospital admissions are for septic abortions, it is essential to provide safe termination as a backup for family planning method failures.
O PROFWASUNNAAGGREY. "Kinoti SN, Maggwa AB, Turkish J, Wasunna A. Management of acute childhood diarrhoea with oral rehydration therapy at Kenyatta National Hospital, Nairobi, Kenya. East Afr Med J. 1985 Jan;62(1):5-11.". In: East Afr Med J. 1985 Jan;62(1):5-11. John Benjamins Publishing Company; 1985. Abstract
PIP: A study of 125 children aged 0-6 months who were seen at Kenyatta National Hospital for acute diarrhea was conducted between 1982-1983 to determine the benefits of oral rehydration therapy (ORT) in treatment of diarrheal illness. At admission, specimens of stool, blood and urine were collected and examine for bacterial, parasitic, and viral agents (including malaria), serum electrolytes, urea, white cell counts and hematocrit. Children were started on oral rehydration solution (ORS) unless severly dehydrated, in which case intravenous therapy was initiated. 84% of the children were successfully treated with ORS alone regardless of etiological agent found; 15% required IV therapy initially, then were placed on ORS. Average hospital stay was 56.2 hours. Cost of treatment by ORT is less than 20% the cost of IV therapy. When investigators surveyed other health institutions, they found that ORT was used alone in less than 10% of all children seen with diarrhea. A side benefit of ORT is the utilization of mothers in preparation and administration of solution, reducing the demand on hospital staff. Since 20% of all pediatric admissions at Kenyatta are due to acute diarrheal disease, use of ORT would reduce costs tremendously. Initiation of ORT at home may prevent development of dehydration altogether.
O DRKWASATHOMASO. "Kwasa TO, Muthingi PM. The experience with electroencephalography at the Kenyatta National Hospital, Nairobi. East Afr Med J. 1992 May;69(5):259-61.". In: East Afr Med J. 1992 May;69(5):259-61. uon; 1992. Abstract
Review of electroencephalography (EEG) requests at KNH over a 3 year period is presented. Majority of patients were aged between 0 and 10 years. None was older than 80 years. The epilepsies were the commonest reason for requesting EEG (58.5%). SSPE had the highest positivity rate of 91.7% followed by convulsive states of uncertain aetiology. The symptom of headache by itself was the least rewarding to study by EEG. It was more rewarding to first attempt to make a diagnosis of the headache. Hysteria had an EEG positivity rate of 40%, most of them being epilepsy. EEG picture for petit-mal, epilepsy focal seizure and generalized seizures are included in the text.
O PROFNYAMBOKISAAC. "Abstract volume.". In: (Editor). IGCP Project 236 Conference of Gondwana Fragments. Nairobi, Kenya, 1989. UNESCO/IUGS. Wiley Interscience; 1989. Abstract
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O DROGARAWILLIAM. "Mosi R O, A M Okeyo, C O Ahuya, M A Okomo and W O Ogara, 2002. Herd structure and uses of small East African Zebu cattle in Lake Victoria Basin and Coastal Lowland of Kenya. (Bull. Hith. Prod. Afri.).". In: journal. The Kenya Veterinarian; 2002. Abstract
As part of a study to assess zoonotic milk-borne health risks, seasonal survey data and unpasteurized milk samples were collected between January 1999 and February 2000 from randomly selected informal milk market agents (220 and 236 samples in the dry and wet seasons, respectively) and from households purchasing raw milk (213 and 219 samples in the dry and wet seasons, respectively) in rural and urban locations in Central Kenya and screened for antibiotics, Brucella abortus (B. abortus) and presence of Escherichia coli (E. coli 0157:H7).The latter was assessed based on samples from consumer households only. Antibodies to B. abortus were screened using the indirect antibody Enzyme Linked Immunosorbent Assay (ELISA) and the Milk Ring Test (MRT). The presence of E. coli 0157:H7 was assessed by culture, biochemical characterization, serological testing for production of verocytotoxin one (VTI) and two (VT2) and polymerase chain reaction (PCR) analysis for the presence of genes encoding for the toxins.                                                                                                         The prevalence of antibodies to B.abortus varied considerably ranging from none in milk sold in small units and originating from intensive production systems to over 10% in samples that were bulked or originating from extensive production systems. E. coli 0157:H7 was isolated from two samples (0.8%), one of which produced VTI. All urban consumers (100%) and nearly all rural consumers (96%) of marketed milk boiled the milk before consumption, mainly in tea, thus reducing chances of exposure to live pathogens and potential health risks.
O PROFOBELARTHUR. "Obel AO. Presumed analgesic-induced agranulocytosis. East Afr Med J. 1983 Apr;60(4):273-7. No abstract available.". In: East Afr Med J. 1983 Apr;60(4):273-7. E Afr Med J; 1983. Abstract
The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.
O PROFMCLIGEYOSETH. "Otineo, M.R.B., McLigeyo S.O., Rogo, K.O. and Kigondu, C.S.: Menstrual disorders in patinents with chronic renal faliure. East African Medical Journal 70(1): 1-2, 1993.". In: East African Medical Journal 70(1): 1-2, 1993. University of Nairobi.; 1993. Abstract
Forty females, age 14 to 35 years (mean 28.6 years) with chronic renal failure (CRF) were included in the study. Their menstrual patterns were noted. The function of their hypothalamo-pituitary-ovarian axis was assessed by the serum levels of follicle stimulating hormone (FSH), Luteinising hormone (LH), prolactin (PrL), estradiol (E2) and progesterone (P) at different phases of the menstrual cycle in patients who continued to have normal menses (Group 1) and at weekly intervals for six weeks in patients with menstrual disturbances (Group II). The mean hormone levels during the initial contact Luteal phase in group I were FSH 12.0 IU/L (N, 1.0-3.0 IU/L), LH 1.8IU/L (N 1.5-101U/L), PrL 652mIU/L (N, 100-600 mIU/L) mE2 160 pmol/L (N 400-1400 pmol/L) and P5 nmol/L (N 14-60 nmol/L) for group I. Corresponding values for group II were 1.2, 10.3, 250, 600 and 3.0 in relevant units. All patients (fourteen) with end stage renal disease (ESRD) had amenorrhoae. On the other hand, most patients with stable CRF (22/26) had normal menses. Following initiation of therapy (conservative or dialytic), there was no significant alteration in the hormonal profile or menstrual pattern. We conclude that other factors apart from the hormonal imbalances, may be responsible for the menstrual disturbances noted in patients with CRF.
O PROFOWINOJOHN. "J. O. Owino, C. Mwathi, Miheso M. O.". In: In Proceedings of the International Congress on Mathematics Instruction, ICMI-1, S. Africa. 1999; 2006. Abstract
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O PROFNYAMBOKISAAC. "Mineral resources of the Lake Victoria Basin - Proceedings of I.D.S.". In: Workshop on Lake Victoria Basin Development. Occasional Paper 34. 159-174. Wiley Interscience; 1979. Abstract
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O PROFOBELARTHUR. "Obel AO. Goitre and fluorosis in Kenya. East Afr Med J. 1982 Jun;59(6):363-5. No abstract available.". In: East Afr Med J. 1982 Jun;59(6):363-5. E Afr Med J; 1982. Abstract

The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.

O PROFOBURRAHERBERT. "Oburra HO, Lieser M, D.". In: Laryngorhinootologie. 2002 May;81(5):357-64. MEDICOM; 2002. Abstract
BACKGROUND: In the time of evidence based medicine the analysis of the influence of demographic parameters and different environmental factors on the treatment concepts in a country is often neglected. This is also true for Otorhinolaryngology. METHOD: An evaluation of the situation concerning distribution of physicians, diagnostic procedures and epidemiology in Kenya has been performed. These factors are discussed in consideration of their effect on the incidence of different diseases and their treatment under the specific socio-economic conditions for the otolaryngological situation in Kenya. RESULTS: In Kenya 28 otolaryngologists are registered that concentrate on few urban regions. Chronic otitis media, malignant tumors in the head and neck region and AIDS associated diseases have meanwhile increased dramatically. Numerous instruments and equipment for diagnosis are missing. Bigger equipment for CT scans are nearly exclusively used by private hospitals. PERSPECTIVE: Beside a better provision with different equipment for diagnosis it is especially the organization of certain training programmes where local physicians are further educated that may lead to an optimised medical care in Kenya.
O DROGARAWILLIAM. "Ogara W O, 2000. Disaster preparedness in the livestock industry in Kenya with respect to drought. In: The veterinary Profession in a changing environment. Proceedings of the Commonwealth Veterinary association/ Kenya Veterinary Association Joint Regional.". In: journal. The Kenya Veterinarian; 2000. Abstract
As part of a study to assess zoonotic milk-borne health risks, seasonal survey data and unpasteurized milk samples were collected between January 1999 and February 2000 from randomly selected informal milk market agents (220 and 236 samples in the dry and wet seasons, respectively) and from households purchasing raw milk (213 and 219 samples in the dry and wet seasons, respectively) in rural and urban locations in Central Kenya and screened for antibiotics, Brucella abortus (B. abortus) and presence of Escherichia coli (E. coli 0157:H7).The latter was assessed based on samples from consumer households only. Antibodies to B. abortus were screened using the indirect antibody Enzyme Linked Immunosorbent Assay (ELISA) and the Milk Ring Test (MRT). The presence of E. coli 0157:H7 was assessed by culture, biochemical characterization, serological testing for production of verocytotoxin one (VTI) and two (VT2) and polymerase chain reaction (PCR) analysis for the presence of genes encoding for the toxins.                                                                                                         The prevalence of antibodies to B.abortus varied considerably ranging from none in milk sold in small units and originating from intensive production systems to over 10% in samples that were bulked or originating from extensive production systems. E. coli 0157:H7 was isolated from two samples (0.8%), one of which produced VTI. All urban consumers (100%) and nearly all rural consumers (96%) of marketed milk boiled the milk before consumption, mainly in tea, thus reducing chances of exposure to live pathogens and potential health risks.
O PROFOBELARTHUR. "Obel AO, Machage WG. Double-blind placebo - controlled trial of glafenine in acute pain. East Afr Med J. 1981 Mar;58(3):226-30. No abstract available.". In: East Afr Med J. 1981 Mar;58(3):226-30. E Afr Med J; 1981. Abstract
The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.
O PROFRADINGGEORGE. "G.O. Rading, M. Shamsuzzoha and J. T. Berry A Model for HAZ Hardness Profiles in AL-Li-X Alloys: Application to the Al-Li-Cu Alloy 2095 Welding Journal, 77(10) (1998) p. 411-s to 416-s.". In: Mountain Research and Development, vol. 8, no. 2. 2011; 1998. Abstract

In a previous paper (Ref. 1), details were presented of a theoretical model describing the evolution of the hardness profiles in the heat-affected zones (HAZ) of AI-Li-X weldments. The intent of the model was to qualitatively predict the general shape of such a profile, which indicates points of double inflection. In the present paper, experimental results are presented to validate the model. Panels of AI-Li-Cu Alloy 2095 in the peak aged (T8) condition were welded by the gas tungsten arc (GTA) process using AA 2319 filler metal. Conventional transmission electron microscopy (TEM) studies were conducted on specimens taken from specific points across the HAZ to estimate the relative ratios of T1, (AI2CuLi) and _d' (AI3Li) precipitates, as well as incoherent grain boundary phases. Electron probe microanalysis (EPMA) was used to determine the variation of concentrations of elements across the HAZ, while the hardness profile was determined using Vickers micro-hardness measurements. The hardness profile and the associated pattern of phases present agree well with the information predicted qualitatively by the previously described model.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

O PROFMCLIGEYOSETH. "Mcligeyo SO.Initial experience with CAPD in patients with HIV infection in a developing country. Perit Dial Int. 1992;12(2):267-8. No abstract available.". In: Central African Journal of Medicine, 38(10): 421-424, 1992. University of Nairobi.; 1992. Abstract
Fine-needle aspiration (FNA) is a well-recognized technique for sampling solid organs. It is used in renal transplantation to clarify the cause of a poorly functioning graft. Differential scoring techniques with respect to peripheral blood cell populations, and immunocytochemistry have been employed in this context. We describe the use of simple morphological criteria alone in renal transplant FNA. We compare these with needle biopsy and clinical parameters and show their value in the detection of active cellular rejection. Their limitations are discussed within the framework of other patterns of transplant pathology.
O DROPEREALFRED. "Pius Yanda, Shem Wandiga, Richard Kangalawe, Maggie Opondo, Dan Olago, Andrew Githeko, Tim Downs, Robert Kabumbuli, Alfred Opere, Faith Githui, James Kathuri, Lydia Olaka, Eugene Apindi, Michael Marshall, Laban Ogallo, Paul Mugambi, Edward Kirumira, Robin.". In: Vulnerability to Climate-Induced Highland Malaria in East AIACC Working Paper No.25; 47pp. A Matimba, M Oluka, B Ebeshi, J Sayi, Bolaji, J Del Favero , C Van Broeckhoven, AN Guanta; 2006. Abstract
Oral infection with Herpes Simplex Virus (HSV) is a frequent and well documented complication in immunosuppressed individuals including patients on immunosuppressive medication. We report the development of severe oral infection with HSV type 1 in a 34 year old woman with type 1 diabetes mellitus and end stage renal disease (ESRD) following cadaveric renal transplantation at the Western General Hospital, Edinburgh. The role of acyclovir in therapy and chemoprophylaxis is discussed.
O MROPIYOELISHATOYNE. "Elisha T. O. Opiyo, Erick Ayienga, Katherine Getao, Bernard Manderick, Okello-Odongo, Ann Now.". In: 1st Annual International Conference and Workshop on Sustainable ICT Capacity in Developing Countries, August 9-12, 2005, Makerere University Kampala, Uganda. UNIVERSITY OF NAIROBI; 2005.
O PROFOBELARTHUR. "Obel AO, Vere DW. Related Articles, Links Antipyrine and propranolol disposition in malnutrition. East Afr Med J. 1978 Jan;55(1):20-4. No abstract available.". In: East Afr Med J. 1978 Jan;55(1):20-4. E Afr Med J; 1978. Abstract

The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.

O PROFGENGARIEWA. "R. O. Genga Wave Propagation in Quasi-One-Dimensional Quantum Plasmas in a Magnetic Field; International Journal of Theoretical Physics 27, 835 (1998).". In: Int. J. Theor. Phys. Journal of School of Continuous and Distance Education ; 1998.
O DROGARAWILLIAM. "Ogara W O, 1981 Veterinary Sanitary Characteristics of poultry meat in Stenorol (coccidiostat tests Msc. Thesis, Moscow, 1981.).". In: journal. The Kenya Veterinarian; 1981. Abstract
As part of a study to assess zoonotic milk-borne health risks, seasonal survey data and unpasteurized milk samples were collected between January 1999 and February 2000 from randomly selected informal milk market agents (220 and 236 samples in the dry and wet seasons, respectively) and from households purchasing raw milk (213 and 219 samples in the dry and wet seasons, respectively) in rural and urban locations in Central Kenya and screened for antibiotics, Brucella abortus (B. abortus) and presence of Escherichia coli (E. coli 0157:H7).The latter was assessed based on samples from consumer households only. Antibodies to B. abortus were screened using the indirect antibody Enzyme Linked Immunosorbent Assay (ELISA) and the Milk Ring Test (MRT). The presence of E. coli 0157:H7 was assessed by culture, biochemical characterization, serological testing for production of verocytotoxin one (VTI) and two (VT2) and polymerase chain reaction (PCR) analysis for the presence of genes encoding for the toxins.                                                                                                         The prevalence of antibodies to B.abortus varied considerably ranging from none in milk sold in small units and originating from intensive production systems to over 10% in samples that were bulked or originating from extensive production systems. E. coli 0157:H7 was isolated from two samples (0.8%), one of which produced VTI. All urban consumers (100%) and nearly all rural consumers (96%) of marketed milk boiled the milk before consumption, mainly in tea, thus reducing chances of exposure to live pathogens and potential health risks.
O PROFRADINGGEORGE. "J.K. Musuva and G.O. Rading "The Effects of Welding on the Fatigue Crack Growth Rate in a Structural Steel" Proc. of ANSTI, Ibadan, Nigeria (1984).". In: Mountain Research and Development, vol. 8, no. 2. 2011; 1984. Abstract

Fracture mechanics principles have been used to study the effects of welding on the rate of fatigue crack growth (FCG) in a low-carbon structural steel. The steel concerned is used widely in the fabrication of the structural frame-work of passenger buses. Tests were carried out on the base metal (BM), heat affected zone (HAZ) and weld metal (WM). Both the near threshold and midrange regimes of crack growth were studied. In the midrange regime, the FCG rate was highest in the HAZ and lowest in the WM. Near the threshold, the FCG rate was highest in the BM and lowest in the WM. The results are explained in terms of microstructural changes due to welding, welding residual stresses, and fracture mechanisms. Recommendations to reduce the incidence of fatigue cracking have been made.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

O DRLUMUMBAPATRICK. "THE POTENTIAL AND PITFALLS OF CONSTITUTION MAKING IN A CULTURALLY DIVERSE AND DYNAMIC SOCIETY.". In: Kenya Nursing Journal, Vol. 33 No. 1. Gitau, W., Ogallo L. A. and Mutemi, J. N.,; 1998.
O PROFMCLIGEYOSETH, K DRKAYIMAJOSHUA. "Otieno L.S., McLigeyo S.O., Kayima J.K., and Sitati S. Management of lupus nephritis at the Kenyatta National Hospital East African Medical Journal, 67(6): 387-395; 1990.". In: East African Medical Journal, 67(6): 387-395; 1990. University of Nairobi.; 1990. Abstract
In 7 years (1981-1988) at the Kenyatta National Hospital (KNH), Nairobi the diagnosis of systemic lupus erythematosus (SLE) was made in 67 patients. In 23 of these patients lupus nephritis complicated the SLE. Lupus nephritis was diagnosed through renal biopsy, haematuria and proteinuria in urine with positive lupus erythematosus (LE) cell phenomenon. The histology found in these patients included 5 patients with minimal lesion, 7 patients with membranous, 3 with focal, 4 with diffuse, 3 with crescenteric and one with membranoproliferative glomerulonephritis. While patients with minimal, membranous and focal nephritis had general good outlook on low dose maintenance or intermittent high dose steroid therapy the others with diffuse, crescenteric and membranoproliferative nephritis had poor prognosis. Patients with diffuse proliferative, membranoproliferative and crescenteric nephritis tended to have septicaemia, pulmonary oedema, fluid overload and chronic renal failure with poor prognosis. These patients responded poorly to oral and parenteral steroid therapy whether high or low dose.
O DROPEREALFRED. "Opere, A.O. (2002): Lessons from the 1997/98 Elnino floods and the 2000 La nina related drought. Proceedings of the capacity building training workshop on stream flow modeling for the Great Horn of Africa (GHA), 4th .". In: Journal of African Meteorological Society, March 2002. A Matimba, M Oluka, B Ebeshi, J Sayi, Bolaji, J Del Favero , C Van Broeckhoven, AN Guanta; 2002. Abstract
Oral infection with Herpes Simplex Virus (HSV) is a frequent and well documented complication in immunosuppressed individuals including patients on immunosuppressive medication. We report the development of severe oral infection with HSV type 1 in a 34 year old woman with type 1 diabetes mellitus and end stage renal disease (ESRD) following cadaveric renal transplantation at the Western General Hospital, Edinburgh. The role of acyclovir in therapy and chemoprophylaxis is discussed.
O PROFMUMMAALBERT. "Judicial Review of Administrative Action, in European Environmental Law: A Comparative Perspective, in G. Winter (ed), Tempus Series, Dartmouth (1996), at p. 129.". In: UCLA Journal of Environmental Law and Policy, vol. 19, 2000/2001, No. 1 at p. 181. Departmental seminar; 1996. Abstract
Oyieke H.A. and Misra A.K:
O PROFORINDADA, O PROFORINDADA. "Mbiti MJ, Ayisi RK, Orinda DA. Sodium supplementation in very low birth weight infants fed on their own mothers milk: II. Effects on protein and bone metabolism.East Afr Med J. 1992 Nov;69(11):627-30.". In: East Afr Med J. 1992 Nov;69(11):627-30. Earthscan, London. 978-1-84407-469-3 (*); 1992. Abstract

Department of Clinical Chemistry, Kenyatta National Hospital, University of Nairobi, Kenya. We determined serum calcium, inorganic phosphate, alkaline phosphatase, total protein and albumin levels in a group of 66 very low birth weight (VLBW) preterm infants seen at Kenyatta National Hospital. We used these parameters as markers to study the effect of sodium supplementation on protein and bone metabolism in VLBW infants fed on their mothers' milk. 41 of the infants were supplemented with 3 mMol/kg/day sodium chloride for a duration of six weeks of postnatal life. The remaining group were fed only on their mothers' milk. Results indicated significantly increased serum levels of calcium (P < 0.01) in the non-supplemented group while inorganic phosphate and total protein levels showed significant increase (P < 0.05) in the supplemented group. Both groups had increased levels of osteoblastic activity accompanied by high rate of protein synthesis in the supplemented group compared to the non-supplemented one. These findings together with a significant difference in growth rate (P < 0.01) observed between the two groups indicate that sodium supplementation may have a significant effect on the rate of bone mineralization and protein synthesis in VLBW infants.

O PROFOYUGIWALTER. "With Adams Oloo "Pluralist Politics and Democratization in Kenya: Prospects and Obstacles," in A. Bujra and S. Adejumobi (eds.), Democracy, Civil Society and Governance in Africa, New Jersey: Africa World Press.". In: Siriba Teachers Colege, Maseno, Kenya. IPPNW; 2001. Abstract
Although military conflicts are common on the African continent, there is a paucity of data regarding bomb-blast injuries in this region and in Kenya in particular. This paper describes the pattern of maxillofacial injuries sustained after the August 1998 bomb blast that occurred in Nairobi, Kenya. A retrospective cross-sectional study was carried out using hospital-based records of 290 bomb-blast survivors admitted at the Kenyatta National Referral and Teaching Hospital in Nairobi. Using a self-designed form to record information about variables such as the sex and age of the survivors and type of location of soft- and hard-tissue injuries, it was found that of the 290 bomb-blast survivors, 78% had sustained one or more maxillofacial injuries. Soft-tissue injuries (cuts, lacerations or bruises) were the most common, constituting 61.3% of all injuries in the maxillofacial region; 27.6% had severe eye injuries, while 1.4% had fractures in the cranio-facial region. This paper concludes that the effective management of bomb-blast injuries as well as those caused by other types of disaster requires a multidisciplinary approach. The high percentage of maxillofacial injuries confirm that maxillofacial surgeons should form an integral part of this multidisciplinary team.
O PROFBWIBONIMROD, W. PROFNDUATIRUTH. "Nduati RW, Bhatt GJ, Osborne CM Accidents and Poisoning. In: Primary Health Care: A manual for medical students and other health workers. Ed. Mukelebai K, Bwibo NO, Onyango FE. 2nd edition, UNICEF.". In: Book. Journal of School of Continuous and Distance Education ; 1990. Abstract

Thirty children presenting with Battered Baby Syndrome over a five year period were studied retrospectively. The male:female ratio was 1:1.1. The majority (60%) were aged 0-11 months. 14 children (46%) were abandoned while six (20%) had multiple fractures, six (20%) multiple bruises and bites, and four (13.3%) had other forms of abuse. Twelve (40%) children were malnourished while eight of the babies (26.6%) were small for gestational age. Children were most frequently brought to hospital by the police or their mothers. The children were most frequently abused by their mothers either through abandonment or through physical battering. Details of mothers of the 14 abandoned children were unknown. Among the mothers of the other children, nine mothers were single, seven married and living with spouses and one stepmother. Two children (6.6%) died while the fate of two others was not known. Three children were sent home without intervention of the social worker, while twenty three children were discharged following intervention of the social worker; fourteen sent home, nine to a childrens' home and one through the juvenile court.

O PROFGENGARIEWA. "R. O. Genga High Frequency Sum Rules for Quasi-One-Dimensional Quantum Plasma Dielectric Tensor; International Journal of Theoretical Physics 27, 835 (1988).". In: International Journal of Theoretical Physics (November 1993 issue. Journal of School of Continuous and Distance Education ; 1988.
O PROFMIDIWOJACOB, O PROFMIDIWOJACOB. "Bernard F. Juma, Yenesew A., Midiwo J. O. and Waterman P.G. Flavones and Phenylpropanoids in the exudate of Psiadia punctulata.". In: Phytochemistry. Vol. 57 (4), 571-574.; 2001. Abstract
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O PROFMCLIGEYOSETH. "Otieno, L.S. and McLigeyo S.O.: Acute Tubular Necrosis due to Acute Plasmodium Faciparum Infestation -review article and a summary of our experience. The African journal of Hospital Medicine (MEDICOM) 9 (5):139-142, 1987.". In: The African journal of Hospital Medicine (MEDICOM) 9 (5):139-142, 1987. University of Nairobi.; 1987. Abstract
Forty seven patients with acute renal failure were studied prospectively over a two-year period at the Kenyatta National Hospital. There were 20 males and 27 females. The mortality rate was 40.4%. Most patients had medically oriented problems. Complications that were associated with a high mortality were infections and the presence of neuropsychiatric manifestations.
O DRBWANGACALEB. "Bwanga, C.O.; Hofino, P.O.; Grevle I.S., einarsson S. & H. Rodriguez- Martinez Viability and Fertility of deep-frozen boar semen packaged in plastic bags.". In: 12th International Congress on Animal Reproduction, the Hague, 1992.Workshop on sperm preservation in swine. The Cleveland Museum of Natural History; 1992.
O PROFORINDADA. "Beta-glucuronidase in human mammary carcinomas. East Afr Med J. 1977 Jun;54(6):314-8.". In: East Afr Med J. 1977 Jun;54(6):314-8. Earthscan, London. 978-1-84407-469-3 (*); 1977. Abstract
A clinical, radiological, histological, and geographical study of carcinoma of the esophagus in Kenya is reported. It was found that this cancer is diagnosed more often in males than in females, with a ration of 8:1 (Kenya Cancer Registry). The most common age in males and females is 50 to 59 years. The regions of the esophagus most commonly involved are the middle and lower thirds, in almost equal proportions. An unexplained tendency for the tumor to be poorly differentiated towards the lower third is noted. In addition a review on the possible etiological factors is presented.
O PROFOYUGIWALTER. ""The Influence of International System on Public Administration in Africa," in R. B. Jain, (ed.), Bureaucratic Politics in the Third World (New Delhi: Gitanjali Publishing House).". In: Walter O. Oyugi, (ed.), Politics and Administration in East Africa (Nairobi: East African Educational Publishers). IPPNW; 1989. Abstract
Although military conflicts are common on the African continent, there is a paucity of data regarding bomb-blast injuries in this region and in Kenya in particular. This paper describes the pattern of maxillofacial injuries sustained after the August 1998 bomb blast that occurred in Nairobi, Kenya. A retrospective cross-sectional study was carried out using hospital-based records of 290 bomb-blast survivors admitted at the Kenyatta National Referral and Teaching Hospital in Nairobi. Using a self-designed form to record information about variables such as the sex and age of the survivors and type of location of soft- and hard-tissue injuries, it was found that of the 290 bomb-blast survivors, 78% had sustained one or more maxillofacial injuries. Soft-tissue injuries (cuts, lacerations or bruises) were the most common, constituting 61.3% of all injuries in the maxillofacial region; 27.6% had severe eye injuries, while 1.4% had fractures in the cranio-facial region. This paper concludes that the effective management of bomb-blast injuries as well as those caused by other types of disaster requires a multidisciplinary approach. The high percentage of maxillofacial injuries confirm that maxillofacial surgeons should form an integral part of this multidisciplinary team.
O PROFAGUMBAHGILBERTJ. "Mohan, K., Brudie, B., Agumbah, G.J.O., Ogaa, J.S. and Pawandiwa, A. (1997). Phenotypes of Zimbabwe isolates of campylobacter spp other than C. fetus processing of the Zimbabwe Veterinary Association Congress, Triangle, September 1997.". In: World Veterinary Poultry association. D.M.Matheka,T.N kiama; 1997. Abstract
The stability of adrenaline ophthalmic solutions, at pH 5.8 and 7.4, to sterilization and storage conditions has been studied. Solutions sterilized by filtration or heating at 98 degrees C for 30 min showed no detectable degradation at either pH value, whilst sterilization at higher temperatures resulted in losses of up to 30%. Total degradation increased with increasing sterilization temperature at both pH values.
O DROGARAWILLIAM. "Pesticide Residues in Beef and Camel Meat from slaughterhouses in 13 Districts in Kenya.". In: Journal. The Kenya Veterinarian; 2009.
O PROFMIDIWOJACOB. "Chromatographic separation and spectroscopic analysis of Kenyan Myrsinaceae benzoquinones.". In: The Matsumae International Foundation Fellowship Report,(1992), Vol. 2. 143.; 1992. Abstract
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O PROFNYINGUROPHILIP. "Jan. 29-30, 2007 .". In: Regional Conference on Capacity Building for the Fast Tracking of the East African Market, Pan Afric Hotel, Nairobi.; 2007. Abstract
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O PROFNYAMBOKISAAC. "Ground subsidence and its socio-economic implications on the population: A case study of Nakuru area in Central Rift Valley, Kenya.". In: Environmental Geology. 39(6), 567-574. Wiley Interscience; 2000. Abstract
Vertex epidural haematomas (VEDH) are rare and difficulties are encountered in diagnosis and management. This is a case report of a patient with a vertex epidural haematoma who presented with signs of severe head injury with upper limb decerebrate posture. We discuss the challenges of radiological investigation and neurosurgical management of VEDH.
O PROFOYUGIWALTER. ""Role of Technical Assistance in National Development: The Case of Kenya," in Y. Tandon, (ed.), Technical Assistance Administration in East Africa (Uppsala: Dag Hammarksjold Foundation, 1973).". In: East African Journal of Rural Development, Vol. 9, 9 June 1976. IPPNW; 1973. Abstract
Although military conflicts are common on the African continent, there is a paucity of data regarding bomb-blast injuries in this region and in Kenya in particular. This paper describes the pattern of maxillofacial injuries sustained after the August 1998 bomb blast that occurred in Nairobi, Kenya. A retrospective cross-sectional study was carried out using hospital-based records of 290 bomb-blast survivors admitted at the Kenyatta National Referral and Teaching Hospital in Nairobi. Using a self-designed form to record information about variables such as the sex and age of the survivors and type of location of soft- and hard-tissue injuries, it was found that of the 290 bomb-blast survivors, 78% had sustained one or more maxillofacial injuries. Soft-tissue injuries (cuts, lacerations or bruises) were the most common, constituting 61.3% of all injuries in the maxillofacial region; 27.6% had severe eye injuries, while 1.4% had fractures in the cranio-facial region. This paper concludes that the effective management of bomb-blast injuries as well as those caused by other types of disaster requires a multidisciplinary approach. The high percentage of maxillofacial injuries confirm that maxillofacial surgeons should form an integral part of this multidisciplinary team.
O PROFBWIBONIMROD, N PROFWEREFREDRICK. "Two year neurological outcomes of Very Low Birth Weight infants. East Afr Med J. 2006 May;83(5):243-9. Were FN, Bwibo NO.". In: East Afr Med J. 2006 May;83(5):243-9. F.N. kamau, G. N Thothi and I.O Kibwage; 2006. Abstract

Extensive research in developed countries has established that very low birth weight (VLBW) infants are particularly vulnerable to the effects of early nutritional deficiencies. There is, however, little information from poor countries on the long-term effects of these deficiencies in such infants.

Determine the association between neonatal feeding regimens and post-discharge morbidity/ mortality and neurological abnormalities at the age of two years for a cohort of VLBW infants.

One hundred and seventy five VLBW infants were recruited over a consecutive period of one year and followed up to the age of two years corrected for gestation. With neonatal feeding regimes as the exposure variable, post-discharge re-hospitalization, mortality and Saigal and Rosenbaum's functional disability assessment scores were compared as the outcome variables.

O PROFAGUMBAHGILBERTJ. "Agumbah, G.J.O. (1986). Clinical and serological diagnosis of infertility in cattle due to C. fetus infection. Dept. of Clinical Studies Academic staff seminars, Kabete, Nairobi.". In: Ken. Vet. Assoc. Scientific Seminars, April, 1987, Nyeri,Kenya. D.M.Matheka,T.N kiama; 1986. Abstract
The stability of adrenaline ophthalmic solutions, at pH 5.8 and 7.4, to sterilization and storage conditions has been studied. Solutions sterilized by filtration or heating at 98 degrees C for 30 min showed no detectable degradation at either pH value, whilst sterilization at higher temperatures resulted in losses of up to 30%. Total degradation increased with increasing sterilization temperature at both pH values.
O PROFBWIBONIMROD. "Murphy SP, Gewa C, Liang LJ, Grillenberger M, Bwibo NO, Neumann CG.School snacks containing animal source foods improve dietary quality for children in rural Kenya. J Nutr. 2003 Nov;133(11 Suppl 2):3950S-3956S.". In: J Nutr. 2003 Nov;133(11 Suppl 2):3950S-3956S. Anim. Hlth. Prod. Afr. 2008; 2003. Abstract

Department of Paediatrics and Child Health, College of Health Sciences, University of Nairobi, P.O. Box 20956-00202, Nairobi, Kenya. BACKGROUND: Early growth in very low birth weight (VLBW) infants has been found predictive of their later outcomes. This has led to increased interest in establishing measures to optimise such growth. In facilities without the resources required to undertake long-term audits for all the high risk infants they graduate, these growth parameters may also be used as selection criteria for those meriting such follow up reducing costs. OBJECTIVES: To describe early growth patterns among a cohort of VLBW infants and determine some of the factors associated with poor growth among them. DESIGN: Cross section survey. SETTING: Kenyatta National Hospital, Nairobi, Kenya. SUBJECTS: One hundred and seventy five neonatal survivors. RESULTS: Of the 175 infants recruited, the male/female ratio was 4:6, sixty four (36.6%) were intrauterine growth retarded while significant illnesses during the neonatal period were reported in 109 (62.3%). Forty seven percent of the infants had been fed on exclusive breast milk, 33% on mixed feeds while 20% received exclusive preterm formula. The mean neonatal weight gain for the whole cohort was 13.5 (3.9) g/kg/day, length of 0.34 (0.11) cm/week and head circumference of 0.32 (0.71) cm/week. By term only 33 (18.9%), 37 (21.1%) and 48 (28%) had reached the expected (the 3rd percentile) weight, length and head circumference respectively. Sixty percent of the infants gained weight at <15 g/kg/day while 70% and 78% grew in head circumference and length at < 0.5 cm/week respectively. At term weight, head and linear growth faultering were recorded in 81%, 72% and 79% respectively. The factors that were associated with better growth at this stage included feeding on preterm formula (P < 0.001) and absence of neonatal morbidity (P < 0.001). Infants who were appropriate for gestational age at birth also had better catch up growth at term compared to those born small for gestation (P < 0.001) but their neonatal growth itself was not significantly better. CONCLUSION: The mean neonatal growth in all anthropometric measures was less than expected and by the time of their expected delivery, less than 30% of these infants had reached the 3rd percentile of the expected measurement in all the three growth parameters. Choice of milk and neonatal morbidity influenced these growth patterns. RECOMMENDATIONS: Routine fortification of mother's milk or addition of preterm formula and reorganised care of sick newborns is recommended to improve early growth. PMID: 16771104 [PubMed - indexed for MEDLINE]

O DRMUSANDUJOYCE. "Musandu, J. O. Primary Health Care; .". In: Kenya Nursing Journal, June 1987. James Murimi; 1987. Abstract
Naisho JN, Ongaya L, Musandu JO. PIP: In highlighting the role of traditional birth attendants (TBAs) in the implementation of primary health care (PHC) in Kenya, the following topics are discussed: characteristics of TBAs as reported in studies, the training program, program objectives, content, the training process, resources for training, the role of TBAs in PHC, and evaluation. The definition of midwife is given as midwives trained in a community setting to assist in delivery within the confines of accepted cultural beliefs. A study of 28 midwives from different regions in Kenya in 1980 found that most were illiterate women between 24 and 68 years olds received no monetary gain, had a variety of occupational backgrounds, and provided varying amounts of advice but little pre- or postnatal care. Almost all advised mothers to breast feed for at least 2 years. 80% of mother use TBAs for delivery. In order to minimize maternal (5-20/1000 live births on the average) and infant mortality, many countries have or are developing training programs for TBAs. Inadequacies in TBA care may be little prenatal care, too little postnatal care, and deficits in promoting child spacing; other unsafe practices may be improper washing of hands and severing the umbilical cord with unsterile objects. Other advantages of training TBAs involve less cost, less need for transportation, personalized setting in the home, source of health education in the community, and rapport with her clients. The training program goal is to reduce mortality by eliminating bad practices. The objectives are to reduce maternal deaths or illness from hemorrhage, infection, and toxemia; to encourage better nutrition; to reduce perineal or vaginal tears which may lead to longterm disability from urinary or rectal fistula; to reduce the number of pregnancies or exposure to risk; and to reduce neonatal tetanus asphyxia, infection, diarrhea, and malnutrition. Activities entail educating adolescent girls and pregnant women on menstruation and sexuality within cultural norms, prenatal care and delivery and postnatal care, maternal care, and educating mothers about personal hygiene, nutrition, child spacing, and immunization, and acknowledgement of the valuable service TBAs contribute to the community. Programs have operated for 10 years and evaluation is underway. PMID: 2630785 [PubMed - indexed for MEDLINE]
O PROFMCLIGEYOSETH, K DRKAYIMAJOSHUA. "McLigeyo S.O. and Kayima J.K.: Evaluation of Nephrology in East Africa in the last seventy years - Studies and practice. East African Medical Journal 70(16): 260-266, 1993.". In: East African Medical Journal 70(16): 260-266, 1993. East African Medical Journal.71(4): 253-5; 1994.; 1993. Abstract
Interest in renal disease and practice in East Africa started as far back as the first quarter of this century. Work in this colonial era concentrated on establishing the existence of renal diseases and identifying the nature and incidence of these diseases. This was achieved by case identification and reporting as well as retrospective studies on post mortem and medical notes. The post independence period has not only identified the existence of even more renal diseases but also concentrated on getting a deeper understanding of the aetiology, nature, pattern, regional variations, complications and outcome of these diseases as seen in our environment. Apart from the better understanding of the prevalent renal diseases, emphasis has also been put on the expansion and delivery of renal services. Investigative and treatment facilities have been improved and a lot has been put into the training of the required local team of experts to man these services. This article reviews what has gone on in the last 70 years from the pure case-report and postmortem reports era to the era of locally available modern facilities including haemodialysis, peritoneal dialysis and kidney transplantation.
O PROFMCLIGEYOSETH. "McLigeyo SO.Prevention and treatment of acute renal failure using diuretics and/or low ("Renal") dose of dopamine: a critical review. Afr J Health Sci. 1997 Jan-Mar;4(1):2-8.". In: East African Medical Journal. 74(10):605-606, 1997. University of Nairobi.; 1997. Abstract
The currently available evidence suggest that diuretics and/or low dose dopamine increases renal blood flow (RBF), glomerular filtration rate (GFR) and natriuresis in experimental animals, and limits ATP utilisation and oxygen needs in nephron segments at high risk of ischaemic injury, actions that could potentially limit renal injury and accelerate recovery in acute renal failure (ARF). These effects have indeed been confirmed in most experimental animals while using mannitol or low dose dopanime. Frusemide, however, for unknown reasons, has been effective in some animal models, but not others. In humans, it can be said that diurectics have a limited value to prevent, reverse or speed recovery from acute renal failure. Most clinical studies have failed to demonstrate convincingly that low dose dopamine either prevents ARF in high risk patients or improves renal function or outcome in patients with established ARF. This confusing scenario is further complicated by the fact that both diuretics and low dose dopamine can result in severe metabolic and cardiovascular complications in critically ill patients.
O PROFNYINGUROPHILIP. "Between Liberation and Oppression: The Politics of Structural Adjustment in Africa, by Thandika Mkandawire and Adebayo Olukushi, eds, Dakar: Codessria.". In: African Book Publishing Record, Vol.xxiv, No.2, 1998, p. 130. (Book review).; 1995. Abstract
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O PROFBARONGOJUSTUS. "Munga, D., Mwangi, S., Ong.". In: Editors, pp. 213-228, published by Taylor & Francis/Balkema, The Netherlands. Canadian Center of Science and Education; 2006. Abstract
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O PROFWASUNNAAGGREY, N PROFWEREFREDRICK. "Delivery of paediatric care at the first-referral level in Kenya. Lancet. 2004 Oct 30-Nov 5;364(9445):1622-9. English M, Esamai F, Wasunna A, Were F, Ogutu B, Wamae A, Snow RW, Peshu N.". In: Lancet. 2004 Oct 30-Nov 5;364(9445):1622-9. John Benjamins Publishing Company; 2004. Abstract

We aimed to investigate provision of paediatric care in government district hospitals in Kenya. We surveyed 14 first-referral level hospitals from seven of Kenya's eight provinces and obtained data for workload, outcome of admission, infrastructure, and resources and the views of hospital staff and caretakers of admitted children. Paediatric admission rates varied almost ten-fold. Basic anti-infective drugs, clinical supplies, and laboratory tests were available in at least 12 hospitals, although these might be charged for on discharge. In at least 11 hospitals, antistaphylococcal drugs, appropriate treatment for malnutrition, newborn feeds, and measurement of bilirubin were rarely or never available. Staff highlighted infrastructure and human and consumable resources as problems. However, a strong sense of commitment, support for the work of the hospital, and a desire for improvement were expressed. Caretakers' views were generally positive, although dissatisfaction with the physical environment in which care took place was common. The capacity of the district hospital in Kenya needs strengthening by comprehensive policies that address real needs if current or new interventions and services at this level of care are to enhance child survival.

O PROFNYAMBOKISAAC. "Rifting of the Continents:.". In: A keyproject of the International Lithospere Program. Tectonophysics, 236, 1-2. Wiley Interscience; 1994. Abstract
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O PROFBWIBONIMROD. "Cognitive abilities of Kenyan children in relation to nutrition, family characteristics, and education. Child Dev . 1989 Dec; 60 ( 6 ): 1463-74 . PMID: 2515042 [PubMed - indexed for MEDLINE] Sigman M, Neumann C, Jansen AA, Bwibo N.". In: Child Dev . 1989 Dec; 60 ( 6 ): 1463-74 . Anim. Hlth. Prod. Afr. 2008; 1989. Abstract

Department of Psychiatry, UCLA Medical School 90024.

The purpose of this study was to determine whether nutritional factors, family characteristics, and the duration of schooling were associated with cognitive and attentional capacities in children growing up in rural Kenya. Food intake was measured by direct observation and weighment twice monthly over the course of a year. Families were characterized in terms of socioeconomic status and the literacy of the parents. Children who were better nourished had higher composite scores on a test of verbal comprehension and the Raven's matrices. Better-nourished females were more attentive during classroom observations than malnourished female schoolchildren. Family characteristics and duration of school participation were associated with cognitive abilities for both boys and girls. For the children considered as a group, cognitive scores were best predicted by a combination of factors including duration of schooling, food intake, physical stature, and SES.

PMID: 2515042 [PubMed - indexed for MEDLINE]

O DROGARAWILLIAM. "Design and development of an electronic identification and traceability system for cattle under pastoral production systems: A case for Kenya.". In: Journal. Livestock Research for Rural Development; Submitted. Abstract
G O Matete, N Maingi*, G Muchemi, W Ogara and J M Gathuma Department of Veterinary Public Health, Pharmacology and Toxicology, University of Nairobi P.O Box 29053-00625, Nairobi, Kenyageorge.matete@gmail.com* Department of Veterinary Pathology and Parasitology, University of Nairobi, P.O Box 29053-00625, Nairobi, Kenya Abstract Traceability systems offer strong incentives to livestock and meat exporting countries by altering their productive and industrial processes in order to access premium meat markets globally.  Kenya, whilst acknowledged as one of the countries within the horn of Africa with a reasonably credible veterinary service, has very limited access to beef and livestock markets in importing countries due to perceived risk or suspicions of presence of trans-boundary animal diseases (TADs) such as Rift Valley Fever (RVF) and Foot and Mouth Disease (FMD), lack of capacity to prove the absence of TADs and absence of an effective traceability system that acts as proxy for quality assurance.  The objective of this study was to report on the processes through which a model traceability system was designed for pastoral production systems of Northeastern Kenya.   The study reports that industry-wide consultation is a critical ingredient in the design process that encompassed simple drop down menus, low price and phased process of implementation. The use of a single central database reduced considerably the cost of implementation and minimized response time for impact analysis. Key words: Design, electronic traceability systems
O PROFOBELARTHUR. "Obel AO. Efficacy and tolerability of long term oxprenolol and chlorthalidone singly and in combination in hypertensive blacks. Jpn Heart J. 1990 Mar;31(2):183-92.". In: Jpn Heart J. 1990 Mar;31(2):183-92. E Afr Med J; 1990. Abstract
Sixty two black patients who had confirmed but untreated hypertension participated in a double blind clinical trial of the efficacy and tolerability of slow-release oxprenolol in a daily dose of 160 mg initially and 320 mg subsequently versus chlorthalidone 50 mg daily. Thereafter, a combination of oxprenolol with chlorthalidone in an initial dose of 160 mg and 25 mg and a subsequent dose of 320 mg and 50 mg, respectively, was administered and the effects compared with those of the same drugs given singly. The trial lasted for 3 years, but each participant took active medication for 1 year. Oxprenolol as monotherapy had no effect on the blood pressure, irrespective of the dose. Chlorthalidone as monotherapy produced a significant fall in blood pressure (p less than 0.01). Combining the 2 drugs enhanced their blood pressure lowering effects (p less than 0.001). Oxprenolol as monotherapy and as part of combination therapy was well tolerated by all patients. Chlorthalidone as monotherapy was well tolerated by most patients while a fraction of the patients developed biochemical derangements. These results confirm the findings that a beta-blocker alone may be ineffective in lowering blood pressure in hypertensive blacks. The results also show that the efficacy and tolerability of a beta-blocker and a diuretic are enhanced by their combined administration. Finally, the results show that increasing the dose of a beta-blocker or a diuretic does not produce a further increase in its blood pressure lowering effect.
O DRFARAHKASSIM. "Diress, T. A., D. M. Nyariki, and K. O. Farah. 2000. Changing land use systems and socio-economic roles of vegetation in semi-arid Africa: The case of the Afar and Tigrai of Ethiopia. J. Soc. Sci. 4:199 .". In: In: European Union Dryland series based on a regional workshop on pastoralism in the horn of Africa (this a book chapter). Korean Society of Crop Science and Springer; 2000.
O PROFMCLIGEYOSETH. "Were AJ, McLigeyo SO.Cost consideration in renal replacement therapy in Kenya. East Afr Med J. 1995 Jan;72(1):69-71.". In: African Journal of Medical Practice 2(3): 91-93, 1995. University of Nairobi.; 1995. Abstract
End stage renal disease requiring renal replacement therapy is a common complication of several renal diseases that are seen in the tropics. World over, the costs of the various modalities of therapy that constitute renal replacement therapy, including hemodialysis, continuous ambulatory peritoneal dialysis and renal transplantation, is prohibitive. All the above modes of therapy are provided in Kenya, unlike most countries with similar level of socioeconomic development. This article analyses the factors behind the limited success that renal replacement therapy enjoys in Kenya, which is faced with more pressing basic problems of malnutrition and infection.
O PROFWASUNNAAGGREY. "Wasunna A. Local treatment of the commonest diseases in developing countries. World Hosp. 1986 Jun;22(2):34-6. No abstract available.". In: World Hosp. 1986 Jun;22(2):34-6. John Benjamins Publishing Company; 1986. Abstract
Two major etiological agents, hepatitis B virus and aflatoxin B1, are considered to be involved in the induction of liver cancer in Africa. In order to elucidate any synergistic effect of these two agents we conducted a study in various parts of Kenya with different liver cancer incidence in order to establish the rate of exposure to aflatoxin and the prevalence of hepatitis infections. Of all tested individuals 12.6% were positive for aflatoxin exposure as indicated by the urinary excretion of aflatoxin B1-guanine. Assuming no annual and seasonal variation, a regional variation in the exposure was observed. The highest rate of aflatoxin exposure was found in the Western Highlands and Central Province. The incidence of hepatitis infection nationwide as measured by the presence of the surface antigens was 10.6%, but a wide regional variation was observed. A multiplicative and additive regression analysis to investigate if hepatitis and aflatoxin exposure had a synergetic effect in the induction of liver cancer was negative. However, a moderate degree of correlation between the exposure to aflatoxin and liver cancer was observed when the study was limited to certain ethnic groups. The study gives additional support to the hypothesis that aflatoxin is a human liver carcinogen.
O DRKWASATHOMASO. "Munyao TM, Bwayo JJ, Owili DM, Ndinya-Achola JO, Kwasa TO, Kreiss JK. Human immunodeficiency virus- 1 in leprosy patients attending Kenyatta National Hospital, Nairobi. East Afr Med J. 1994 Aug;71(8):490-2.". In: East Afr Med J. 1994 Aug;71(8):490-2. uon; 1994. Abstract
The purpose of this study was to determine if Mycobacterium leprae is an opportunistic pathogen in immunosuppressed subjects with HIV infection. Ninety six leprosy patients at Infectious Diseases Hospital (IDH), Nairobi were screened for, HIV-1 antibody between January 1991 and June 1992. The patients included 15 who were diagnosed during the study period and 81 who were previously diagnosed and were on anti-leprosy treatment. Blood was screened for HIV antibody by first ELISA and double positive samples were confirmed by a second ELISA. The HIV seronegative patients were re-tested serologically every 3 months. Smears from skin slits were used to determine bacterial index and the patients were classified according to criteria described by Ridley and Jopling. The patients were re-assessed clinically monthly. The mean age of the patients was 40 years and ranged from 13 to 78 years. Forty seven percent had paucibacillary and 53% had multibacillary leprosy. The HIV seroprevalence was 8% in previously diagnosed patients and zero in the newly diagnosed patients. There were no changes in clinical spectrum in HIV seropositive patients during follow up period; neither reversal reactions nor erythema nodosum leprosum were observed. The study suggests that M. leprae may not be an opportunistic pathogen in immunosuppressed subjects with HIV infection.
O PROFNYAMBOKISAAC. "Petrology, geochemistry and evaluation of the heavy mineral deposits in Malindi and Uganga shore areas.". In: Marine Mining. Vol. 10, 337-351. Wiley Interscience; 1991. Abstract
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O PROFOBELARTHUR. "Obel AO, Odwako DB. Practical therapeutics: the use of carbamazepine in affective disorders. East Afr Med J. 1985 Mar;62(3):224-8. No abstract available.". In: East Afr Med J. 1985 Mar;62(3):224-8. E Afr Med J; 1985. Abstract

Weights and heights of 674 consecutive non-insulin dependent diabetics and 358 control urban healthy Kenyans were recorded prospectively. Weights and heights of a further 162 healthy rural adults were compared retrospectively. The body mass index (weight/height2) of the non-insulin dependent diabetic was lower than that of the corresponding urban control subject. The body mass index of the rural folk was consistently lower than that of the urban dweller. This study concluded that obesity may not be a significant factor in non-insulin dependent diabetes in the African black.

O PROFBWIBONIMROD. "Birthweights of infants of teenage mothers in Nairobi. Acta Paediatr Scand Suppl . 1985; 319 : 89-94 . PMID: 3868931 [PubMed - indexed for MEDLINE] Bwibo NO.". In: Acta Paediatr Scand Suppl . 1985; 319 : 89-94 . Anim. Hlth. Prod. Afr. 2008; 1985. Abstract

Teenage pregnancies lower average birthweight. In the NBS, teenage mothers had significantly lower average birthweight of 2 920 +/- 553 g compared with 3 133 +/- 533 g among women in the general population. A high rate of LBW on the infants of the teenage mothers was the significant factor in lowering the average birthweight. In both NBS and the PMHS the incidence of LBW 18% and 15% respectively as well as the rate of preterm delivery of 24% and 23% respectively were high. In PMHS although the numbers were small, the incidence of LBW was high (13%) in the 14-year-olds and in the 15-year-olds it was 4.8% which was much lower than that for 17- and 18-year-olds. In a large series in Nigeria the incidence of LBW was 27% in mothers aged less than 15 years, 26% in mothers aged 15-19, 20% in those aged 20-24 and least (18%) in the 25-29 year age group. Many unfavourable socioeconomic circumstances and lack of adequate antenatal supervision contribute to these high rates. Some of the teenage mothers-particularly the very young, below 16 years-are physically immature and are still growing children themselves. Their nutrient intake is shared between their own growth needs and those of their foetuses. In the Nigerian study, administration of folic acid and iron together with antimalarials to pregnant mothers resulted in increased maternal height as well as foetal growth, thus stressing the importance of nutritional care for the teenage mothers.

PIP: Teenage pregnancies lower average birth weight. In the Nairobi Birth Survey (NBS), teenage mothers had significantly lower average birth weight of 2920 +or- 553 gm compared with 3133 +or- 533 gm among women in the general population. A high rate of low birth weight (LBW) in those infants born to teenage mothers was the significant factor in lowering that figure. In both the NBS and the Pumwani Maternity Hospital Study (PMHS), the incidence of LBW was 18% and 15%, respectively, and the rate of preterm delivery 24% and 23%, respectively. In the PMHS, although the numbers were small, the incidence of LBW was high (13%) in the 14-year-old group and it was 4.8% in the 15-year-old group; these figures were much lower than those for ages 17 and 18. In a large series in Nigeria, the incidence of LBW was 27% in mothers aged less than 15, 26% in mothers aged 15-19, 20% in those aged 20-24, and least (18%) in those 25-29. Many unfavorable socioeconomic circumstances and lack of adequate antenatal supervision contribute to these high rates. Some teenage mothers–particularly those under age 16–are physically immature and are themselves still growing. Their nutrient intake is shared between their own growth needs and those of their fetuses. In the Nigerian study, administration of folic acid and iron together with antimalarials to pregnant mothers resulted in increased maternal height as well as fetal growth, thus stressing the importance of nutritional care for teenage mothers. author's modified

PMID: 3868931 [PubMed - indexed for MEDLINE]

O MROUKOKENNEDY. "March 2002: Healthy Futures: An Evaluation. A report on the "Healthy Futures" project. Published on behalf of "Maendeleo ya Wanawake" organization by Pritman, 2003.". In: E.A.J.P.Sc. 1 (1998) 1-27. Folio Morphol; 2003. Abstract
Asiatic acid (AA) is a pentacyclic triterpene found in Centella asiatica. In the present study, the mechanism of anticancer effect of AA on skin cancer was investigated. AA decreased viability and induced apoptosis in human melanoma SK-MEL-2 cells in a time- and dose-dependent manner. AA also markedly increased intracellular reactive oxygen species (ROS) level and enhanced the expression of Bax but not Bcl-2 protein in the cells. In addition, AA-induced activation of caspase-3 activity in a dose-dependent manner. Pretreatment with Trolox, an antioxidant, significantly blocked the induction of Bax and activation of caspase-3 in AA-treated cells. Furthermore, Ac-DEVD-CHO, a specific caspase-3 inhibitor, and Trolox prevented the AA-induced apoptosis. AA did not elevate p53 nuclear protein levels that are present in a mutant form in SK-MEL-2 cells. These results suggest that AA-induced apoptosis may be mediated through generation of ROS, alteration of Bax/Bcl-2 ratio and activation of caspase-3, but p53-independent. These results further suggest that AA may be a good candidate for the therapeutic intervention of human skin cancer.
O PROFMCLIGEYOSETH, K DRKAYIMAJOSHUA. "S.O. McLigeyo, J.K. Kayima Evolution of nephrology in East Africa in the last seventy years .". In: East African Medical Journal, 70(6): 362 - 368; 1993. University of Nairobi.; 1993. Abstract
Interest in renal disease and practice in East Africa started as far back as the first quarter of this century. Work in this colonial era concentrated on establishing the existence of renal diseases and identifying the nature and incidence of these diseases. This was achieved by case identification and reporting as well as retrospective studies on post mortem and medical notes. The post independence period has not only identified the existence of even more renal diseases but also concentrated on getting a deeper understanding of the aetiology, nature, pattern, regional variations, complications and outcome of these diseases as seen in our environment. Apart from the better understanding of the prevalent renal diseases, emphasis has also been put on the expansion and delivery of renal services. Investigative and treatment facilities have been improved and a lot has been put into the training of the required local team of experts to man these services. This article reviews what has gone on in the last 70 years from the pure case-report and postmortem reports era to the era of locally available modern facilities including haemodialysis, peritoneal dialysis and kidney transplantation.
O PROFMOSIREUBEN. "Mosi, R.O. (1984). Use of milk records for cow and sire evaluation in Kenya. Ph.D. Thesis University of whales.". In: Bull. Int. Dairy Fed. 221:32-46. Elsevier; 1984. Abstract
PIP: The efficacy and complication rate of menstrual regulation with the hand-held Karman cannula was tested on 223 women with amenorrhea up to 56 days in the Dept. of Obstetrics and Gynecology, University of Nairobi, Kenya from October 1982-January 1983. 195 women had positive pregnancy tests, while menstrual regulation was done on the others because of concern over late menses. the procedures were done without anesthesia with a 50 ml vacuum syringe fitted with a self-locking plunger, a rubber adaptor and stop cock, 5-8 mm flexible plastic Karman cannula and a toothless volsellum, using hibitane solution and savlon antiseptic. The average procedure time was 7 minutes. Bleeding lasted over 1 week in 4%, total blood loss was over 50 ml in 3.1%, and immediate side effects were syncope in 1.3%, nausea and vomiting in 1.8% and pain in 5.4%. There were 2 (0.8%) cases of endometritis. In Kenya where 60% of all gynecological hospital admissions are for septic abortions, it is essential to provide safe termination as a backup for family planning method failures.
O PROFNYAMBOKISAAC. "The M.". In: Kenya Journal of Science & Technology, Series A, 2nd Issue. 117-124. Wiley Interscience; 1980. Abstract
n/a
O MROPIYOELISHATOYNE. "Elisha T. O. Opiyo, Multi-Agent Systems Scheduler in a Dynamic Environment Using a Load Optimizing Strategy. A PhD Thesis, University of Nairobi, June 2012.". In: Proceedings of the Unesco-Hp Brain Gain Workshop on Distributed Systems, 29th August 2012, at Kenya School of Monetary Studies in Nairobi, Kenya. UNIVERSITY OF NAIROBI; 2012.
O PROFOBELARTHUR. "Obel AO. Pharmacokinetics in medicine. East Afr Med J. 1982 Nov;59(11):703-4. No abstract available.". In: East Afr Med J. 1982 Nov;59(11):703-4. E Afr Med J; 1982. Abstract

The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.

O DROGARAWILLIAM. "Ogara W O, 2000. Critical aspects of animal production, health sciences and environmental litigation. In: The Veterinary profession in a changing environment. Proceedings of the Commonwealth Veterinary Association/Kenya Veterinary Association joint Region.". In: journal. The Kenya Veterinarian; 2000. Abstract
As part of a study to assess zoonotic milk-borne health risks, seasonal survey data and unpasteurized milk samples were collected between January 1999 and February 2000 from randomly selected informal milk market agents (220 and 236 samples in the dry and wet seasons, respectively) and from households purchasing raw milk (213 and 219 samples in the dry and wet seasons, respectively) in rural and urban locations in Central Kenya and screened for antibiotics, Brucella abortus (B. abortus) and presence of Escherichia coli (E. coli 0157:H7).The latter was assessed based on samples from consumer households only. Antibodies to B. abortus were screened using the indirect antibody Enzyme Linked Immunosorbent Assay (ELISA) and the Milk Ring Test (MRT). The presence of E. coli 0157:H7 was assessed by culture, biochemical characterization, serological testing for production of verocytotoxin one (VTI) and two (VT2) and polymerase chain reaction (PCR) analysis for the presence of genes encoding for the toxins.                                                                                                         The prevalence of antibodies to B.abortus varied considerably ranging from none in milk sold in small units and originating from intensive production systems to over 10% in samples that were bulked or originating from extensive production systems. E. coli 0157:H7 was isolated from two samples (0.8%), one of which produced VTI. All urban consumers (100%) and nearly all rural consumers (96%) of marketed milk boiled the milk before consumption, mainly in tea, thus reducing chances of exposure to live pathogens and potential health risks.
O PROFOBELARTHUR. "Obel AO. Current trends in the use of oral hypoglycaemic agents in diabetes mellitus-practical therapeutics. East Afr Med J. 1981 Apr;58(4):244-8. No abstract available.". In: East Afr Med J. 1981 Apr;58(4):244-8. E Afr Med J; 1981. Abstract
The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.
O PROFRADINGGEORGE. "J.M. Kihiu, G.O. Rading and S. M. Mutuli Geometric Constants in Plain Cross-Bored Cylinders J. Pressure Vessel Technology, 125 (2003) p 446-453.". In: Mountain Research and Development, vol. 8, no. 2. 2011; 2003. Abstract

A 3D FEM computer program was developed to establish the stress distributions and SCFs in thick walled cylinders with radiused entry flush and non-protruding cross bores under internal pressure. The displacement formulation and eight noded brick isoparametric elements were used. The Frontal solution technique was used due to the limited computing facilities. The variation of SCF with entry radius to main bore radius ratio was established for varying cylinder outer radius to main bore radius ratio and cross bore to main bore radius ratio. For low values of cylinder outer radius to main bore radius ratio (≤2.25), the lower values of cross bore to main bore radius ratio resulted in lower SCFs. For high values of cylinder outer radius to main bore radius ratio (>2.25),  the lower values of cross bore to main bore radius ratio resulted in higher SCFs. The cylinder with cylinder outer radius to main bore radius ratio of 2.25 was found to be a transition geometry. For very small values of cross bore to main bore radius ratio, the SCFs converged to a value of 2.2 for entry radius to main bore radius ratio of 0.2. The cylinder outer radius to main bore radius ratio of 1.75 to 3 cylinders had a constant SCF value of 2.3 at cross bore to main bore radius ratio of 0.05 and entry radius to main bore radius ratio of 0.2. A new categorization of cylinders earlier proposed in the study of plain cross-bored cylinders is further validated.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

O PROFBWIBONIMROD. "Bwibo N.O, Kasili EG, Oduori ML: Childhood Leukaemia in Kenya. In: tumours in Early Life .". In: Edited by L Seven with Pwerugia Quadrennial international Conferences in Cancer Rome. Anim. Hlth. Prod. Afr. 2008; 1977. Abstract

No abstract available.

O PROFMCLIGEYOSETH. "McLigeyo S.O.: Use of intermittent Peritoneal Dialysis in patients with refractory heart failure. Central African Journal of Medicine, 38(10): 421-424, 1992.". In: Central African Journal of Medicine, 38(10): 421-424, 1992. University of Nairobi.; 1992. Abstract
In a one year period (March 1990 to March 1991) the pattern of diseases in geriatric patients (over 60 years of age) admitted to the medical wards at Kenyatta National Hospital (KNH) was studied. In all, there were 1296 patients (M:F = 1.7:1) in this age group forming 11.5% of all admissions during the study period. 1008 (77.8%) of the geriatric patients were between 60 and 79 years of age. Most of the admissions (86.4%) were first admissions. The mean number of diseases per geriatric patient was 1.4. Hypertension and Cardiomyopathy were the commonest single diseases recorded, making up 43.9% of all diseases in this patient population. The commonest neurological diagnosis was stroke, which occurred in a setting of hypertension or cardiomyopathy in all the patients in whom it was diagnosed. The mean duration (+/- 2SD) of stay in the hospital in this patient population was 43 (+/- 19) days. Eighty eight (6.8%) of the patients died, the commonest cause of death being heart failure due to cardiomyopathy or hypertensive heart disease. It is concluded that geriatric patients form a sizeable proportion of our medical admissions and that a large proportion suffer from diseases of the cardiovascular system. It is thus recommended that further studies be carried out on the pattern of diseases in such patients and optimal management strategies for their ailments be outlined.
O DROPEREALFRED. "Methodology for Flood Risk scenarios for Burundi. Workshop on WFP & ICPAC Consultant mission on .". In: University of Nairobi. A Matimba, M Oluka, B Ebeshi, J Sayi, Bolaji, J Del Favero , C Van Broeckhoven, AN Guanta; 2007. Abstract
Oral infection with Herpes Simplex Virus (HSV) is a frequent and well documented complication in immunosuppressed individuals including patients on immunosuppressive medication. We report the development of severe oral infection with HSV type 1 in a 34 year old woman with type 1 diabetes mellitus and end stage renal disease (ESRD) following cadaveric renal transplantation at the Western General Hospital, Edinburgh. The role of acyclovir in therapy and chemoprophylaxis is discussed.
O MROPIYOELISHATOYNE, W DRGETAOKATHERINE. "Multi-Agent systems scheduler in a dynamic environment.". In: (Ph.D Colloquium) Proceedings of the 1st Annual International Conference and Workshop on Sustainable ICT capacity in developing countries 2005. Makerere University, Kampala, pp 229-243. East African Orthopaedic Journal; 2005.
O O, EM N. "Solar retinopathy: a case report." JOECSA. 2017;21(1):30-31.joecsa_july_2017.pdf
O MROPIYOELISHATOYNE. "Eric Ayienga, Elisha Opiyo, Bernard Manderick, Okello-Odongo, Ann Nowe (2006). Multiagent Systems for Bandwidth Optimization in Wireless Grids.". In: Second Annual International conference on sustainable capacity in developing countries - SREC06, AUGUST 6-9, 2006, MAKERERE UNIVERSITY, KAMPALA, UGANDA. UNIVERSITY OF NAIROBI; 2006.
O PROFOBELARTHUR, O PROFOBELARTHUR. "Obel AO.Practical therapeutics current concepts in management of bronchial asthma. East Afr Med J. 1981 May;58(5):311-7. No abstract available.". In: East Afr Med J. 1981 Jan;58(1):8-11. E Afr Med J; 1981. Abstract

The antihypertensive effect of the fixed combination of timolol, a beta-blocking agent, hydrochlorothiazide, a thiazide diuretic, and amiloride, a potassium sparing agent, was compared against that of methyldopa in an open study lasting 16 weeks in 32 ambulatory African patients with previously untreated diastolic blood pressure of 95-120 mm Hg. A significant fall in mean diastolic and systolic blood pressure was achieved in both groups up to 8 weeks of treatment and was sustained in the timolol-hydrochlorothiazide-amiloride group during the entire follow-up. In the methyldopa group, mean diastolic and systolic blood pressure rose during follow-up. At 16 weeks the fall in mean diastolic and systolic blood pressure was significantly greater in the timolol-hydrochlorothiazide-amiloride treated patients than in the methyldopa group. Adverse reactions were more frequent and severe in the methyldopa group than in timolol-hydrochlorothiazide-amiloride treated patients. It is concluded that the fixed drug combination of timolol-hydrochlorothiazide-amiloride (Moducren) is effective in controlling mild to moderate hypertension in Africans and is better tolerated than methyldopa in these patients. It is further noted that hypertensive patients can be treated with a combination tablet once a day. This is of crucial significance as it would promote better compliance and, hence, minimize the sequelae of poorly controlled hypertension.

O PROFGENGARIEWA. "Solution of the Coulomb scattering potential problem by method of contour integration and change of approximation functions.". In: African Journal of Sci. & Tech. 6(2):52-58. Journal of School of Continuous and Distance Education ; 2005.
O PROFOBURRAHERBERT. "Oburra, H. Editorial: Ear Nose and Throat problems in developing countries.". In: East African Medical Journal, 1990; 67: 1. MEDICOM; 1990. Abstract
Information on the prevalence of hearing impairment and related ear pathologies in children in sub-Saharan Africa is scarce. A pilot study for a clinical trial of simple treatments for chronic suppurative otitis media (CSOM) in school children in Kiambu district, Kenya, provided information on the prevalence of hearing impairment and ear pathologies. Five-thousand-three-hundred-sixty-eight children from 57 randomly chosen primary schools in Kiambu district were examined. Simple otoscopy was performed by clinical officers with specialty training in ENT, and hering testing was performed by trained nurses, using a hand held field audiometer. Microbiological specimens were obtained from those children with CSOM. Five-point-six percent of the children had a hearing impairment of > 30 dB HL in one or both ears, with 2.2% having bilateral hearing impairment. Two-point-four percent had at least one perforated tympanic membrane, and 1.1% had CSOM. Eight-point-six percent of the children had wax obstructing the tympanic membrane. There is evidence of a relationship between hearing impairment and both CSOM and wax obstructing the tympanic membrane. The most common organisms found were Pseudomonas spp. (34%), Proteus spp. (34%) and Eschericia coli (19%). These results are comparable with other studies in Africa and indicate a considerable burden of ear disease in Kiambu district, Kenya.
O DROGARAWILLIAM. "Ogara W O, P G Mbuthia, H Kaburi 1993. Fish pathogens isolated from fish species inhabiting L. Naivasha and aquaculture systems of Nyandarua District, Kenya. European Association of Fish Pathologists (EAFP) 5th International conference. Diseases of fish a.". In: journal. The Kenya Veterinarian; 1993. Abstract
As part of a study to assess zoonotic milk-borne health risks, seasonal survey data and unpasteurized milk samples were collected between January 1999 and February 2000 from randomly selected informal milk market agents (220 and 236 samples in the dry and wet seasons, respectively) and from households purchasing raw milk (213 and 219 samples in the dry and wet seasons, respectively) in rural and urban locations in Central Kenya and screened for antibiotics, Brucella abortus (B. abortus) and presence of Escherichia coli (E. coli 0157:H7).The latter was assessed based on samples from consumer households only. Antibodies to B. abortus were screened using the indirect antibody Enzyme Linked Immunosorbent Assay (ELISA) and the Milk Ring Test (MRT). The presence of E. coli 0157:H7 was assessed by culture, biochemical characterization, serological testing for production of verocytotoxin one (VTI) and two (VT2) and polymerase chain reaction (PCR) analysis for the presence of genes encoding for the toxins.                                                                                                         The prevalence of antibodies to B.abortus varied considerably ranging from none in milk sold in small units and originating from intensive production systems to over 10% in samples that were bulked or originating from extensive production systems. E. coli 0157:H7 was isolated from two samples (0.8%), one of which produced VTI. All urban consumers (100%) and nearly all rural consumers (96%) of marketed milk boiled the milk before consumption, mainly in tea, thus reducing chances of exposure to live pathogens and potential health risks.
O PROFRADINGGEORGE. "G.O. Rading "A Compendium of Jigs and Fixtures" Internal Report, Kenya Bureau of Standards (1987).". In: Mountain Research and Development, vol. 8, no. 2. 2011; 1987. Abstract

Fracture mechanics principles have been used to study the effects of welding on the rate of fatigue crack growth (FCG) in a low-carbon structural steel. The steel concerned is used widely in the fabrication of the structural frame-work of passenger buses. Tests were carried out on the base metal (BM), heat affected zone (HAZ) and weld metal (WM). Both the near threshold and midrange regimes of crack growth were studied. In the midrange regime, the FCG rate was highest in the HAZ and lowest in the WM. Near the threshold, the FCG rate was highest in the BM and lowest in the WM. The results are explained in terms of microstructural changes due to welding, welding residual stresses, and fracture mechanisms. Recommendations to reduce the incidence of fatigue cracking have been made.<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />

O DRLUMUMBAPATRICK. "INTERNATIONAL HUMANITARIAN LAW AND HUMAN RIGHTS LAW.". In: Kenya Nursing Journal, Vol. 33 No. 1. Gitau, W., Ogallo L. A. and Mutemi, J. N.,; 1998.
O PROFMCLIGEYOSETH. "McLigeyo SO, Otieno LS, Kinuthia DM, Mwongera FK, Wairagu SG.Outcome of pregnancy in nephrotic syndrome: a report on five cases. East Afr Med J. 1991 Jun;68(6):477-83.". In: East African Medical Journal (68(11): 841-843, 1991. University of Nairobi.; 1991. Abstract
In a 6 year period (1984-1989) we have had the opportunity to take care of five patients who had nephrotic syndrome and became pregnant. Four of them had mesangial proliferative glomerulonephritis while one had focal segmental glomerulosclerosis. Four of the pregnancies went to term while one was terminated at 34 weeks gestation because of deteriorating renal function in the mother. All the pregnancies ended in delivery of normal babies. However, two patients have since died of end stage renal disease, while the remaining three continue to be nephrotic with reduced levels of renal function following the deliveries.
O DROPEREALFRED, M PROFMUTUAFRANCIS. "The need for a flood forecasting system in Kenya (revised).". In: Journal of African Meteorological Society, March 2002. A Matimba, M Oluka, B Ebeshi, J Sayi, Bolaji, J Del Favero , C Van Broeckhoven, AN Guanta; 2002. Abstract
Oral infection with Herpes Simplex Virus (HSV) is a frequent and well documented complication in immunosuppressed individuals including patients on immunosuppressive medication. We report the development of severe oral infection with HSV type 1 in a 34 year old woman with type 1 diabetes mellitus and end stage renal disease (ESRD) following cadaveric renal transplantation at the Western General Hospital, Edinburgh. The role of acyclovir in therapy and chemoprophylaxis is discussed.

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