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Transplant international


This study aimed to evaluate possible discrepancies in waitlist outcomes between liver diseases, including alcohol-related liver disease (ALD), nonalcoholic steatohepatitis (NASH), hepatitis C virus infection (HCV), primary biliary cirrhosis (PBC), and primary sclerosing cholangitis (PSC). Patients registered for liver transplantation from January 11, 2016, to June 30, 2018, were evaluated using OPTN/UNOS registry. Waitlist outcomes were compared between the five-disease groups. Patients were categorized by initial MELD-Na-score (6-20, 21-29, and ≥30) to identify outcome variations. Prognostic impact of transplantation was assessed according to final MELD-Na scores using Cox regression analysis modeling transplantation as a time-dependent covariate. 6053 with ALD, 3814 with NASH, 1558 with HCV, 602 with PBC, and 819 with PSC were eligible. Compared to ALD with comparable MELD-Na-scores, NASH with lower [adjusted hazard ratio (aHR) = 1.30, P = 0.042] and mid-scores (aHR = 1.35, P = 0.008) showed significantly higher risk of 1-year waitlist mortality, and PBC with higher scores showed significantly higher risk of 90-day (aHR = 1.69, P = 0.03) and 1-year waitlist mortality (aHR = 1.69, P = 0.02). Positive prognostic impact of transplantation was not seen until score of 24-27 in ALD, 18-20 in HCV, 15-17 in NASH, and 24-27 in PBC and PSC. There are significant differences in waitlist outcomes among etiologies, which may differ the optimal transplant timing.

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ePub ahead of print





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