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  • Title: Chronic kidney disease after orthotopic liver transplantation in recipients receiving tacrolimus.
    Author: Garces G, Contreras G, Carvalho D, Jaraba IM, Carvalho C, Tzakis A, Moon J, Ratnam K, Roth D.
    Journal: Clin Nephrol; 2011 Feb; 75(2):150-7. PubMed ID: 21255545.
    Abstract:
    INTRODUCTION: Chronic kidney disease (CKD) is common in liver transplant recipients receiving calcineurin inhibitors. METHOD AND POPULATION: The goals of this case-control study were to identify risk factors associated with CKD and its effect on mortality in 294 liver transplant recipients receiving calcineurin inhibition with tacrolimus. RESULTS: Hepatitis C virus (HCV) was the most common indication (42%) for transplantation. CKD 4 and 5 (estimated glomerular filtration rate (eGFR) of <=29 ml/min/1.73 m2) developed in 10.8% of recipients during a mean follow-up of 52 months. The incidence density of CKD was 2.56 per 100 patient-years. End-stage renal disease developed in 2.7%. By univariate analysis, CKD patients were older (mean±sd, 57±10 vs. 51±11, p<0.05) with hypertension (56 vs. 32%, p<0.05), had lower preoperative hematocrit (31±6 vs. 34±5, p<0.05), alanine aminotransferase (median (95% confidence limit) 46 (34–80) vs. 68 (56–77), <0.05) and eGFR (56±28 vs. 91±35 ml/ min/1.73 m2, p<0.05), had higher preoperative prothrombin time (16.1 (14.6–17.2) vs. 14.8 (14.5–15.1) seconds, p<0.05), and required more perioperative renal replacement therapy (RRT) (41% vs. 6.5%, p<0.05) compared to controls. Perioperative need for RRT (hazard ratio (95% CI) 2.72 (1.05–7.03)) and lower preoperative eGFR: 60–89 (4.08 (1.23–13.5)), 30–59 (4.26 (1.18–15.36)), and<=29 (5.91 ((1.28–27.19)) vs. eGFR>=90 ml/min/1.73 m2 were independently associated with development of CKD adjusting for important covariates. The development of CKD (2.36 (1.22–4.59)) was independently associated with late mortality with an attributable risk of 12.8%. CONCLUSION: Data demonstrate that CKD is an important clinical event associated with increased risk for death after primary liver transplantation.
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