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Chronic Kidney Disease (CKD) After Liver Transplantation in HIV/HCV Coinfected Versus HIV/non-HCV Infected Recipients: Results from the NIH Multi-Site Study


Journal Article

Bahirwani, R.; Barin, B.; Olthoff, K.; Stock, P.; Murphy, B.; Reddy, K.R.; Investigators, T.Solid Orga

Liver Transpl




Hepatitis C virus (HCV) and Human Immunodeficiency Virus (HIV) are both associated with chronic kidney disease (CKD), a major complication after orthotopic liver transplantation (OLT). The aim of this study was to assess predictors of post-OLT CKD in HIV/HCV coinfected versus HIV/non-HCV infected recipients. METHODS: Data from the NIH Solid Organ Transplantation in HIV: Multi-Site Study of 116 OLT recipients (35 HIV/non-HCV and 81 HIV/HCV co-infected) from 2003 to 2010 were analyzed for pre-transplant CKD prevalence (estimated glomerular filtration rate (eGFR) < 60 ml/min for ≥ 3 months) and incidence of CKD up to 3 years post-transplant. Proportional hazards models were performed to assess predictors of post-transplant CKD. A contemporaneous cohort of HCV monoinfected transplant recipients from the SRTR database was also analyzed. RESULTS: Median age at transplant was 48 years, serum creatinine was 1.1 mg/dl, and median eGFR was 77 ml/min. Thirty-four patients had suspected pre-transplant CKD; 20 of these (59%) had post-transplant CKD. Among the 82 patients without pre-transplant CKD (26 HIV/non-HCV and 56 HIV/HCV coinfected), the cumulative incidence of stage 3 CKD at 3 years post-OLT was 62% (55% HIV/non-HCV versus 65% HIV/HCV coinfected) and stage 4/5 CKD was 8% (0% HIV/non-HCV versus 12% HIV/HCV coinfected). In multivariate proportional hazards analysis, older age (HR 1.05 per year; p 0.03) and CD4 count (HR 0.90 per 50 cells/μL; p 0.01) were significant predictors of CKD. HCV coinfection was significantly associated with stage 4/5 CKD (HR 10.8; p 0.03) after adjustment for age on multivariate analysis. The cumulative incidence of stage 4/5 CKD was significantly higher in HIV/HCV coinfected patients compared to HIV/non-HCV and HCV monoinfected transplant recipients (p=0.001). CONCLUSIONS: CKD occurs frequently in HIV infected transplant recipients. Predictors of post-transplant CKD include older age, and lower post-transplant CD4 count. HCV co-infection is associated with a higher incidence of stage 4/5 CKD.

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