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Search Results: 1 - 10 of 401655 matches for " Nestor M Pakasa "
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Acute tubular necrosis, acute renal failure and unusual histologic stigmata of acute malaria in HIV/AIDS patients from the democratic Republic of Congo
Pakasa Nestor
Saudi Journal of Kidney Diseases and Transplantation , 2010,
Abstract:
High prevalence of undiagnosed chronic kidney disease among at-risk population in Kinshasa, the Democratic Republic of Congo
Ernest K Sumaili, Eric P Cohen, Chantal V Zinga, Jean-Marie Krzesinski, Nestor M Pakasa, Nazaire M Nseka
BMC Nephrology , 2009, DOI: 10.1186/1471-2369-10-18
Abstract: In a cross-sectional study, 527 people from primary and secondary health care areas in the city of Kinshasa were studied from a random sample of at-risk out-patients with hypertension, diabetes, obesity, or HIV+. We measured blood pressure (BP), blood glucose level, proteinuria, body mass index, and estimated glomerular filtration rate (eGFR by MDRD equation) using calibrated creatinine levels based on one random measurement. The associations between health characteristics, indicators of kidney damage (proteinuria) and kidney function (<60 ml/min/1.73 m2) were also examined.The prevalence of CKD in this study was 36%, but only 12% were aware of their condition. 4% of patients had stage 1 CKD, 6% stage 2, 18% stage 3, 2% stage 4, and 6% had stage 5. 24 hour quantitative proteinuria (>300 mg/day) was found in 19%. In those with the at-risk conditions, the % of CKD was: 44% in patients with hypertension, 39% in those with diabetes; 16% in the obese and 12% in those who were HIV+. 82% of those with a history of diabetes had elevated serum glucose levels at screening (≥ 126 mg/dl). Only 6% of individuals with hypertension having CKD had reduced BP to lower than 130/80 mmHg. In multivariate analysis, diabetes, proteinuria and hypertension were the strongest determinants of CKD 3+.It appears that one out of three people in this at-risk population has undiagnosed CKD and poorly controlled CKD risk factors. This growing problem poses clear challenges to this developing country. Therefore, CKD should be addressed through the development of multidisciplinary teams and improved communication between traditional health care givers and nephrology services. Attention to CKD risk factors must become a priority.Chronic Kidney Disease (CKD) is a worldwide health problem [1]. Indeed, the incidence and prevalence of CKD has increased in recent years in both developed and developing countries [2] including in Sub-Saharan Africa (SSA) [3]. In SSA, CKD affects mainly young adults in their
Chronic kidney disease among high school students of Kinshasa
Justine B Bukabau, Jean Robert R Makulo, Nestor M Pakasa, Eric P Cohen, Fran?ois B Lepira, Nazaire M Nseka, Patrick K Kayembe, Ernest K Sumaili
BMC Nephrology , 2012, DOI: 10.1186/1471-2369-13-24
Abstract: In an epidemiological cross sectional study, a random sample of 524 pupils (263 boys, mean age of 18.7 ± 1.4 years) from school environment of Kinshasa were studied. Recorded parameters of interest were anthropometric, proteinuria, serum creatinine and estimated glomerular filtration rate (eGFR) according to the Schwartz formula using uncalibrated creatinine levels from one random measurement. CKD was defined as the presence of kidney damage (daily proteinuria ≥ 300 mg) and/or reduced kidney function (eGFR < 60 ml/min/1.73 m2). Concordances between eGFR according to Schwartz, Cockcroft-Gault (C-G) indexed for BSA and modification of diet in renal disease (MDRD) study equations were computed using the kappa coefficient.The prevalence of CKD by the Schwartz formula was 1.5%. By stage, 0.8% had CKD stage 1 (proteinuria with normal eGFR) and 0.8% had CKD stage 3 (eGFR, 30 to 59 ml/min/1.73 m2). The prevalence of proteinuria ≥ 300 mg/day was 1% (one case had 2.7g/day). Agreement between eGFR according to Schwartz formula and the MDRD formula was excellent (kappa: 88.8%). Although correlations between all formulas were excellent (0.99; 0.87, and 0.89), agreement was poor between eGFR according to Schwartz and C-G indexed BSA equation (kappa: 52.7%) and, poorer with C-G unadjusted for BSA (kappa: 26.9%).In the large African city of Kinshasa, 2% of high school students have CKD. This high prevalence rate emphasizes the need for appropriate detection and prevention measures in this vulnerable young age population group.
Abstract
kawakama Jorge,Müller Nestor
Jornal de Pneumologia , 2003,
Abstract:
We ask: what is the diagnosis?
Kavakama Jorge,Müller Nestor
Jornal de Pneumologia , 2003,
Abstract:
Abstract
KAVAKAMA JORGE,MüLLER NESTOR
Jornal de Pneumologia , 2003,
Abstract:
Question: what is the diagnosis?
Kavakama Jorge,Müller Nestor
Jornal de Pneumologia , 2003,
Abstract:
Regularity for non-local almost minimal boundaries and applications
M. Cristina Caputo,Nestor Guillen
Mathematics , 2010,
Abstract: We introduce a notion of non-local almost minimal boundaries similar to that introduced by Almgren in geometric measure theory. Extending methods developed recently for non-local minimal surfaces we prove that flat non-local almost minimal boundaries are smooth. This can be viewed as a non-local version of the Almgren-De Giorgi-Tamanini regularity theory. The main result has several applications, among these $C^{1,\alpha}$ regularity for sets with prescribed non-local mean curvature in $L^p$ and regularity of solutions to non-local obstacle problems.
Perguntamos: qual o diagnóstico? Radiologic diagnosis
Isabela Silva,Nestor L. Müller
Jornal Brasileiro de Pneumologia , 2004, DOI: 10.1590/s1806-37132004000100015
Abstract:
Perguntamos: qual o diagnóstico? We ask: what is the diagnosis?
Isabela S. Silva,Nestor Müller
Jornal Brasileiro de Pneumologia , 2004, DOI: 10.1590/s1806-37132004000500017
Abstract:
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