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Is the model of end-stage liver disease (MELD) valid in Israel? A critical analysis of liver transplant waiting list mortality



Is the model of end-stage liver disease (MELD) valid in Israel? A critical analysis of liver transplant waiting list mortality



Israel Medical Association Journal 8(9): 605-609



The model for end-stage liver disease is the best available predictor of waiting list mortality among liver transplant candidates. To validate the applicability of MELD in Israel. All candidates awaiting liver transplantation in our institution were followed prospectively since 2002. We measured the concordance (c-statistic) equivalent to the area under the receiver operating characteristic curve in order to assess the predictive power of MELD. Other independent mortality risk factors were identified by a separate multivariate analysis. Mortality rates within different MELD and Child-Pugh-Turcotte scores were compared to the original (United States) MELD data. Of 86 patients listed for transplantation, 40 were transplanted (36 in Israel and 4 abroad). Of the other 46 patients, 24 are alive and still listed, and 22 died (25%, approximately 7%/year). The area under the ROC curve for MELD score was 0.79 (0.83 USA) compared to a CPT score of 0.71 (0.76 USA). High MELD scores, occurrence of spontaneous bacterial peritonitis, and diagnosis of hepatocellular carcinoma were independent risk factors of mortality. Death rates per mid-MELD score (20-29) were significantly higher than the USA results. MELD is valid in Israel and superior to CPT in predicting waiting list mortality. Although longer waiting time due to organ scarcity is a key factor, death rates in the mid-range (10-29) MELD groups indicate further audit of the care of patients with end-stage liver disease.

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Accession: 049416878

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PMID: 17058408


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