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Impaired renal function is associated with mortality in kidney-transplanted patients.


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Date
2010

Authors
Remport A, Molnar MZ, Ambrus C, Keszei A, Torok S, Vamos EP, Kiss I, Jaray J, Novak M, Rosivall L, Mucsi I.

Subject
International Urology and Nephrology

Abstract
INTRODUCTION: To date, only a few, at times conflicting, reports suggested that renal function and mortality are associated in kidney-transplanted patients. In our prevalence cohort study, we tested the hypothesis that renal function is associated with mortality in transplanted patients. METHODS: Data from 985 transplanted patients were analyzed. Socio-demographic parameters, laboratory data, medical and transplant history, type of immunosuppression and estimated glomerular filtration rate were tabulated at baseline. Data on 5-year outcome were collected prospectively. RESULTS: In multivariate Cox proportional hazard models, the estimated glomerular filtration rate measured at baseline significantly predicted mortality [hazard ratio (HR)(for each 10 ml/min decrease) = 1.271; 95% confidence interval (CI): 1.121-1.440] after adjustment for several covariables. Additionally, in multivariate Cox proportional hazard models, chronic kidney disease stage 4-5 (HR = 2.678; 95% CI: 1.494-4.802) significantly increased the mortality hazard compared to chronic kidney disease stage 1-2. CONCLUSIONS: Renal function is significantly and independently associated with mortality over 5 years in kidney-transplanted patients among whom mycophenolate mofetil use was very prevalent.