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  • Title: Recipient Survival among Living Donor vs. Deceased Donor Liver Transplants for Acute Liver Failure in the United States.
    Author: Moughames E, Gurakar M, Khan A, Alsaqa M, Ozturk NB, Bonder A, Gurakar A, Saberi B.
    Journal: J Clin Med; 2024 Mar 17; 13(6):. PubMed ID: 38541954.
    Abstract:
    Objectives: Acute liver failure (ALF) is associated with high morbidity and mortality. Timely liver transplantation (LT) is the only universally accepted therapy for ALF that is non-responsive to medical therapy. Data regarding the use of living donor LT (LDLT) for this indication in the US is scarce. Materials and Methods: United Network of Organ Sharing/Organ Procurement and Transplantation Network (UNOS/OPTN) data from January 2002 to December 2020 were reviewed. Adult and pediatric recipients listed as status 1 were included. Demographics, clinical and laboratory data, and post-LT survival rates were compared for LDLT vs. DDLT recipients. Results: There were 180 LDLT (3.6%) and 4779 DDLT (96.4%) recipients with a diagnosis of ALF. The majority of recipients in the LDLT group were pediatric (n = 164, 91%) compared to the DDLT group (n = 1455, 30%), p < 0.001. In the pediatric-only group, post-LT survival was comparable between LDLT and DDLT recipients (p = 0.15). Five-year post-LT survival was higher for pediatric recipients compared to adults in the LDLT group (84.2% vs. 62.5%, respectively, p < 0.001) and the DDLT group (82.8% vs. 78.7%, respectively, p < 0.001). Adults had a higher hazard of death compared to pediatric recipients in the LDLT group (HR = 3.560, 95% CI 1.612-7.844, p = 0.002) and the DDLT group (HR = 1.472, 95% CI 1.290-1.679, p < 0.001). In multivariate analysis results, the type of LT and age group were not associated with higher post-LT mortality. Conclusions: In the US, LDLT constitutes 3.6% of LTs for ALF. In the pediatric-only group, post-LT survival was comparable between LDLT and DDLT recipients. Overall, there were superior post-LT outcomes for pediatric recipients compared to adults for LDLT and DDLT.
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