Journal
AMERICAN JOURNAL OF TRANSPLANTATION
Volume 21, Issue 7, Pages 2399-2412Publisher
ELSEVIER SCIENCE INC
DOI: 10.1111/ajt.16440
Keywords
clinical research; practice; liver transplantation; hepatology; liver transplantation; living donor; meta‐ analysis
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A systematic review comparing adult living donor liver transplantation (LDLT) and deceased donor liver transplantation (DDLT) found that LDLT is associated with improved patient survival, reduced waiting time, and lower MELD score, despite an increased risk of biliary complications. Hepatic artery thrombosis rates did not differ between the two types of transplantation.
Prior single center or registry studies have shown that living donor liver transplantation (LDLT) decreases waitlist mortality and offers superior patient survival over deceased donor liver transplantation (DDLT). The aim of this study was to compare outcomes for adult LDLT and DDLT via systematic review. A meta-analysis was conducted to examine patient survival and graft survival, MELD, waiting time, technical complications, and postoperative infections. Out of 8600 abstracts, 19 international studies comparing adult LDLT and DDLT published between 1/2005 and 12/2017 were included. U.S. outcomes were analyzed using registry data. Overall, 4571 LDLT and 66,826 DDLT patients were examined. LDLT was associated with lower mortality at 1, 3, and 5 years posttransplant (5-year HR 0.87 [95% CI 0.81-0.93], p < .0001), similar graft survival, lower MELD at transplant (p < .04), shorter waiting time (p < .0001), and lower risk of rejection (p = .02), with a higher risk of biliary complications (OR 2.14, p < .0001). No differences were observed in rates of hepatic artery thrombosis. In meta-regression analysis, MELD difference was significantly associated with posttransplant survival (R-2 0.56, p = .02). In conclusion, LDLT is associated with improved patient survival, less waiting time, and lower MELD at LT, despite posing a higher risk of biliary complications that did not affect survival posttransplant.
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