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  • Title: Impact of Model for End-stage Liver Disease Score-based Allocation System in Korea: A Nationwide Study.
    Author: Lee J, Kim DG, Lee JY, Lee JG, Joo DJ, Kim SI, Kim MS.
    Journal: Transplantation; 2019 Dec; 103(12):2515-2522. PubMed ID: 30985735.
    Abstract:
    BACKGROUND: In June 2016, the Korean Network for Organ Sharing implemented a Model for End-stage Liver Disease (MELD) score-based allocation system to better prioritize deceased-donor liver transplant (DDLT) candidates. The aim of this study was to assess the impact of this allocation system. METHODS: We compared waiting list and posttransplant outcomes during the first year of operation of the MELD allocation system (from June 2016 to May 2017) with an equivalent period before its implementation (from June 2015 to May 2016). RESULTS: A total of 3041 candidates were listed for DDLT (1464 pre-MELD, 1577 post-MELD era) and 892 patients received DDLT during the study period. A decrease in waiting list mortality and an increase in DDLT rate were observed after MELD implementation. However, the number of living donor liver transplants did not differ significantly pre- to post-MELD. As was expected, introduction of the MELD allocation system increased mean MELD scores at DDLT (24.1 ± 8.3 pre-MELD, 34.5 ± 7.0 post-MELD era, P < 0.001). Posttransplant patient survival rates at 1-year were 79.9% in pre-MELD era and 76.2% in post-MELD era (P = 0.184). The proportion of interregional organ transfer increased from 25.1% to 40.5%. Furthermore, transplant benefits increased with MELD scores. CONCLUSIONS: The MELD system was found to address the goal of fairness well. Implementation of the MELD system improved equity in terms of access to DDLT regardless of regions. Although a greater proportion of more severely ill patients received DDLT after MELD implementation, posttransplant survivals remained unchanged.
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