• Chirurgia Bucharest · May 2009

    MELD exceptions and new predictive score of death on long waiting lists for liver transplantation.

    • S Iacob, L Gheorghe, R Iacob, C Gheorghe, D Hrehoreţ, and I Popescu.
    • Center of Gastroenterology and Hepatology, Fundeni Clinical Institute, Bucharest, Romania. speranta.iacob@icfundeni.ro
    • Chirurgia Bucharest. 2009 May 1; 104 (3): 267-73.

    BackgroundCirrhosis related complications, considered MELD exceptions, proved to add prognostic value to the MELD score in predicting waiting list mortality.AimTo identify the predictive value for death on a long waiting list (WL) for the complications of liver disease.MethodsDuring 2004-2007, 372 consecutive adult patients were listed for liver transplantation (LT). To identify the potential predictors of patient death, univariate and multivariate Cox's proportional hazards regression model was used.ResultsIn the univariate survival analysis the following variables were significant: spontaneous bacterial peritonitis, refractory ascites, hyponatremia, hepatic encephalopathy, hepatorenal syndrome, initial and current MELD score, initial and current Child-Pugh score. The independent predictors of death on our WL were: refractory ascites (p=0.002) and hepatorenal syndrome (p=0.002). Based on a logistic regression analysis a new score has been developed: Score = 1/(1+ exp(-(-4.38 + 1.34 x Refractory ascites + 0.9 x Hepatorenal syndrome + 0.15 x Current MELD). The c-statistic for the new score for prediction of death on the WL was 0.85 compared to 0.80 for current MELD score.ConclusionRefractory ascites and hepatorenal syndrome should add valuable points to the current MELD in order to better prioritize for LT patients included on long WL.AbbreviationsLiver transplantation (LT), Model for End-Stage Liver Disease (MELD), waiting list (WL), United Network for Organ Sharing (UNOS), standard deviation (SD), receiver operating characteristic (ROC), hepatitis B virus (HBV), hepatocellular carcinoma (HCC), positive predictive value (PPV), negative predictive value (NPV), Child-Turcotte-Pugh (CTP), hepatic venous pressure gradient (HVPG).

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