Bio

Bio Data

Currently an Associate Professor in Soil Science majoring in Soil Chemistry, Soil Fertility and Plant Nutrition (soil acidity and liming, methods of soil chemical analyses, macro- and micronutrient use by crops) in the Department of Land Resource Management and Agricultural Technology and a former Chairman the Department of Soil Science. He is a Principal Supervisor for 5 PhD candidates and 10 MSc. Candidates. He has served in various University Committees.

 He is an associate Professor in soil science majoring in Soil Chemistry, Soil Fertility and Plant Nutrition (soil acidity and liming, methods of soil chemical analyses, macro- and micronutrient use by crops).

Publications


2003

2002

A., PROFKETERJOSEPHKIPKORIR.  2002.  Chui, J.N. , and J.K.A. Keter. 2000. Changes in soil chemical properties due to nitrogen fertilizer application and maize-bean cropping systems in a semi-arid region of Eastern Kenya. Intl. J. Biochem Physics, Vol. 10 & 11, 6-11. East Afr Med J. 2002 Sep;79(9):457-60. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

2001

A., PROFKETERJOSEPHKIPKORIR.  2001.  Chui, J.N. and J.K.A. Keter 2001. Effects of Nitrogen fertilizer and bean residue on yield of beans in different cropping systems. East Afr. Agr. For J. Vol. 67, No. 1, 37- 46. East Afr Med J. 2002 Sep;79(9):457-60. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

2000

Gikonyo, EW, p o Oduor OS, Kanyanjua SM, Keter JKA.  2000.  Phosphate sorption by some kenyan soils as evaluated by the langmuir and freundlich adsorption equations. Abstract

The sorption of added inorganic phosphate (P) by eight soils which varied appreciably in their ability to sorb P was evaluated using the Langmuir and Freundlich adsorption equations. When the sorption data were plotted according to the conven¬tional Langmuir and linear Freundlich equations, linear relationships were obtained. Regression analysis was used to compute the straight lines obtained. The Freundlich equations gave significantly to highly significantly correlation coefficients (r2 = 0.509 - 0.972) in all the soils tested while the Langmuir equation was non-sig¬nificant in the highest and lowest sorbing soils (r2 0.004 and 0.453 respectively) but was highly to very highly significant in the other soils (r2 = 0.816 - 0.988). The Freundlich equation was, therefore, ade¬quate in describing the sorption data in all the soils tested but with varying precision as shown by the different correlation coeffi¬cients. A comparison of the two equations indicated that Freundlich equation gives the best fit in majority of soils and would, therefore, be recommended for estimating the P-sorption characteristic of soils tested in this work.

A., PROFKETERJOSEPHKIPKORIR.  2000.  Keter, J.K.A., P.M. Gale and K.R. Reddy. 2000. Phosphate adsorption by various soils of Kenya. Infl. J. BiochemPhysics, Vol. 10, 13-20. East Afr Med J. 2002 Sep;79(9):457-60. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

1999

A., PROFKETERJOSEPHKIPKORIR.  1999.  Owino-Gerroh, C., J.K.A. Keter and J.P. Mbuvi. 1999. Agronomic response estimates of acidulated and unacidulated phosphorus sources for tea (Camellia sp. L.) in Kenya. Tea 20(1), 21-29. East Afr Med J. 2002 Sep;79(9):457-60. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.
A., PROFKETERJOSEPHKIPKORIR.  1999.  Owino-Gerroh, C., J.K.A. Keter and J.P. Mbuvi. 1999. Response of Field Bean s (Phaseoulus valgaris L.) to unacidulated phosphorus source on an andosol in Kenya. J. Agric. Sci. & Tech. Vol. 2, No. 1:32-45. East Afr Med J. 2002 Sep;79(9):457-60. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

1998

Keter, JKA;, Owino-Gerroh C, Mbuvi JP.  1998.  Response of field beans to phosphorus on an andosol in Kenya. Abstract

The agronomic effectiveness of minjingu rock phosphate O,trtp) was compared with that of highly soluble phosphate triple superphosphate (TSp), in pot studies with field bean (p. t,ulgaris L.) in a greenhouse at the field station of Faculty of Agriculture, University of Nairobi, Kenya. MRp finely ground with 30 Grade Yo P and TSP with 99.6 Grade yo p fertilizer at rates 0, 30, 45 and 60mg P pot-r were applied on 2kg soil pot-r. The soil used in the study was an acid humic andosol from fields with moribund tea bushes, tea bushes planted in lg5g and,lgTgand newly cleared forest in Kaga4 Kenya' Shoot and root dry matter felds, dry seed feld responses and their response estimates were determined and showed positive significance in most cases when TSp fert,izer was applied on the soils except that from moribund tea field. The relative agronomic effectiveness (efficiency) of MRP on biomass and also seed leld of beans was found to be significantly inferior to TSP in most of the soils except that from moribund tea field where both sources were found to be ineffective' This study confirms that inspite of its high reactivity, MRp is stilr agronomicary ineffective as nutrient source ofphosphorous for growingp. wrgarisin acid so,s. Key Words; Andosol(s), phosphorus, source, leld

A., PROFKETERJOSEPHKIPKORIR.  1998.  Owino-Gerroh, C., J.K.A. Keter and J.P. Mbuvi. 1998. Phosphate sorption characteristics of soils in a tea-growing area in Kenya. Intl. J. BioChem Physics, Vol. 6 & 7, Nos. 1&2, 86-89. East Afr Med J. 2002 Sep;79(9):457-60. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

1997

A., PROFKETERJOSEPHKIPKORIR.  1997.  Chui, J.N. and J.K.A. Keter. 1997. Effects of N fertilization, bean spatial arrangements and residue on maize performance in a semi-arid area of Kenya. African Crop Sci. Soc. J. Vol. 3, pp. 499-508. East Afr Med J. 2002 Sep;79(9):457-60. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

1996

A., PROFKETERJOSEPHKIPKORIR.  1996.  Gikonyo, E.W., J.K.A. Keter, S.M. Kanyanjua, and P.O.S. Oduor, 1996. Phosphate sorption by some Kenyan soils as evaluated by the Langmuir and Freundlich Adsorption Equations, p. 6-12. In: Proceedings of the 15th General Meeting, SSSEA, held in Nanyuki, Ke. 15th General Meeting, SSSEA, held in Nanyuki, Kenya. ISBN 9966-879-27-7. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.
A., PROFKETERJOSEPHKIPKORIR.  1996.  Gikonyo, E.W., J.K.A. Keter, S.M. Kanyanjua, and P.O.S. Oduor, 1996. Phosphate sorption by some Kenyan soils as evaluated by the Langmuir and Freundlich Adsorption Equations, p. 6-12. In: Proceedings of the 15th General Meeting, SSSEA, held in Nanyuki, Ke. Proceedings of the 15th General Meeting, SSSEA, held in Nanyuki, Kenya. ISBN 9966-879-27-7. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.
A., PROFKETERJOSEPHKIPKORIR.  1996.  Owino-Gerroh, C., J.K.A. Keter and J.P. Mbuvi. 1996. Effect of tea cropping on the structure of some Kenya soils. Pp 289-298. In: proceedings of the 15th Annual General Meeting, SSEA, held in Nanyuki, Kenya. ISBN 9966-879-27-7. East Afr Med J. 2002 Sep;79(9):457-60. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

1994

A., PROFKETERJOSEPHKIPKORIR.  1994.  Kwaje, S., and J.K.A. Keter (Eds.) 1994. Proceedings of the First International Workshop on Capacity Building in Soil and Water Management in Africa, Kampala, Uganda, 9-11 November, 1992. Academic Science Publishers, Nairobi, Kenya. ISBN: 9966-831-15-0. First International Workshop on Capacity Building in Soil and Water Management in Africa, Kampala, Uganda, 9-11 November, 1992. Academic Science Publishers, Nairobi, Kenya. ISBN: 9966-831-15-0. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

1993

Owino-Cerroh, C, Keter ] KA.  1993.  The Effects of Nutrient Solution Acic{ity (l'il}, Aluminium Content Taproot Elongation, Formation on Field Rosecoco f)iscovery and Innovatior Vol. 5 no. 1 March 1993 Rcrct Crowth in Irhosroils r,l.tlgatis L. cv Roser-trco 35 and Rhizobium Inoculati*n rrn . Abstract

The effects of nutrient solution pH.aluminium concentration and Rhizobium irr6ttrrlalis.,i i,i1 !-rl\rir::f r,16;11g6{i111r, rgi1t p:rt-,wth and nqltrle ftrrmatittn on field beans (Plrascolrts ttulgaris L). cv Rosecoco, Ct.l, 2lyyc ., .., ,.ii;, li",! i;r i'r grr,fitlrr;rrsr' Ilrere was a highly significant reduction (p < 0.001) of the mean taproot length. lVith res1..,,,,'l t'i nutrient solution afli(ri,t, the highest mean taprrxtt length was observed at pH 4.0. These differences were attlitruil .r !,r i|16, exis{:ence of forrns of Al having varying degrees of toxicity, controlled by the ptl of the nutrient solutirxr. 'l'he c*o,.r,nlration of Al in ttrr: nrrtriept solution did not affect the mean root dry matter weight significantly but affected thc nlr.li,lo lrumbers wltirh dpcr+,ased as the concentration of this eleme,nt increased in the nutrient solution. The highest ntean trrurl!q,r,r.rf rro,;lrrles li:rrtred was 13.12 at pH 5.8 and 0 ppm Al. Field beans cultivar "Rosecoco", CLP 2, showed a poor teslxlrrse trr irirN:ui;rtiorr corlparxl tg pthers. Nutrient solution acidity inhibited nodulation of the beans. It is suggested that tlre inhibitliy efft,::t *f Al nray d;:pend on the sPecific ionic form of this element apart from its concentration and pH of the nutrient sr,iiir,ir;i;.

A., PROFKETERJOSEPHKIPKORIR.  1993.  Owino-Gerroh, C., and J.K.A. Keter. 1993. The effects of Nutrient Solution Acidity (pH), Aluminum Content and Rhizobium Inoculation on Taproot Elongation, Root Growth and Nodule Formation on Field Bean (Phaseolus Vulgaris L.) cv . First International Workshop on Capacity Building in Soil and Water Management in Africa, Kampala, Uganda, 9-11 November, 1992. Academic Science Publishers, Nairobi, Kenya. ISBN: 9966-831-15-0. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

1992

A., PROFKETERJOSEPHKIPKORIR.  1992.  Waithaka, J., and J.K.A. Keter 1992. Cooper adsorption in the A horizons of selected soils of Kenya. East Africa Journal of Sciences 1(1):63-83. First International Workshop on Capacity Building in Soil and Water Management in Africa, Kampala, Uganda, 9-11 November, 1992. Academic Science Publishers, Nairobi, Kenya. ISBN: 9966-831-15-0. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.
A., PROFKETERJOSEPHKIPKORIR.  1992.  Waithaka, J., and J.K.A. Keter. 1992. The distribution of total and double-acid extractable copper in the A and B horizons of selected soils of Kenya. East Africa Journal of Sciences 1(1): 33-45. First International Workshop on Capacity Building in Soil and Water Management in Africa, Kampala, Uganda, 9-11 November, 1992. Academic Science Publishers, Nairobi, Kenya. ISBN: 9966-831-15-0. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

1991

Keter, JKA, Ahn - Robinson PA.  1991.  Profile characteristics, and form 185–190.

1989

A., PROFKETERJOSEPHKIPKORIR.  1989.  Okalebo, J.R., J.K.A. Keter and H. Ssali, 1989. Sorghum responses to nitrogen and phosphate fertilizers in four semi-arid sites of Machakos and Kitui Districts, Kenya. E. Afr. Agric. For, J. 54(3):131-145. First International Workshop on Capacity Building in Soil and Water Management in Africa, Kampala, Uganda, 9-11 November, 1992. Academic Science Publishers, Nairobi, Kenya. ISBN: 9966-831-15-0. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

1986

Keter, JKA.  1986.  Acid strength at clay mineral surfaces. AbstractWebsite

The interactions of ,{1 3+ -montmorillonite, Na+ - montmorillonite and Na+ -kaolinite with selected Hammett indicators have been reinvestigated. The use of a series of indicators with different acid strengths, Ho, to determine the activity of protons on the clay surface was basid on the assumption that the activity of H+ on the clay surface is equivalent to activity in solution. The results show that A13+- montmorillonite had the hiehest acid strength, especially after drying at 1lfc. Na+-kaolinite had Ih" lo*r"rt acid strength, at two moisture levels: befirre washing with ethanol and u{"l g1lporation of this alcohol. At all moisture levels the acid strength of A1'* -montmorillonite was greater than that of either Nai - montmorillonite or Na+ - kaolinite.

A., PROFKETERJOSEPHKIPKORIR.  1986.  Keter, J.K.A. and P.M. Ahn. 1986. Profile characteristics, and form and surface activity of inorganic phosphorus in a deep red Kenya coffee soil (Nitosol). J. Soil Sc. 37: 89-97. First International Workshop on Capacity Building in Soil and Water Management in Africa, Kampala, Uganda, 9-11 November, 1992. Academic Science Publishers, Nairobi, Kenya. ISBN: 9966-831-15-0. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

1982

A., PROFKETERJOSEPHKIPKORIR.  1982.  Keter, J.K.A. and J.G.A. Fiskell. 1982. Maize response to phosphate sources and rates and to auxin on two Kenya soils. Soil Crop Sci. Soc. Fla. 41 :188-192. First International Workshop on Capacity Building in Soil and Water Management in Africa, Kampala, Uganda, 9-11 November, 1992. Academic Science Publishers, Nairobi, Kenya. ISBN: 9966-831-15-0. : University of Nairobi Press Abstract
OBJECTIVE: To determine the accuracy and sensitivity of diagnostic peritoneal lavage in the assessment of intra-abdominal injury using the dipstick method. DESIGN: Prospective study, involving the performance of diagnostic peritoneal lavage in the out patient department and surgical wards prior to surgical intervention. SETTING: Kenyatta National Hospital-General Surgical and Orthopaedic wards and outpatient department. The study was conducted over a duration of six months, starting from January 1995 to July 1995. RESULTS: Ninety six patients with penetrating (68) and blunt (28) abdominal trauma underwent diagnostic peritoneal lavage as evaluation of the severity of abdominal trauma. Dipstick (combur 9 strips) was used to evaluate lavage effluent for red blood cells, white blood cells, protein and bilirubin. Forty three patients had positive diagnostic peritoneal lavage (DPL) results, of which 40 (93%) had positive findings at laparatomy and three (7%) had negative findings at laparatomy. The remaining 53 patients had negative DPL results and were managed conservatively. One patient with a negative DPL result became symptomatic and had a positive laparatomy. Conservatively managed patients were discharged after 24 hours observations without any complications. DPL had an accuracy and sensitivity of 93% and specificity of 98%. CONCLUSION: Diagnostic peritoneal lavage is a cheap, safe and reliable method for assessment of abdominal trauma. The method is easy to perform by trained junior doctors in the OPD, or as a bedside procedure. Use of this method reduced negative laparotomy rate from 50% to 6.9% and average duration of stay from 6.5 days to 1.9 days. This method is recommended as a basic tool in the assessment of abdominal trauma patients.

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