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  • Title: Impact of different cadaveric donor age cut-offs on adult recipient survival after liver transplantation: a single-center analysis.
    Author: Santori G, Andorno E, Morelli N, Bottino G, Mondello R, Gianelli Castiglione A, Valente U.
    Journal: Transplant Proc; 2005; 37(6):2576-81. PubMed ID: 16182749.
    Abstract:
    The increase in the number of patients awaiting liver transplantation (OLT) has forced the use of cadaveric donors (CD) with suboptimal characteristics. Of these, donor age is perhaps the most investigated parameter. Although excellent outcomes were observed for OLT using CD aged over 60 years, the European Liver Transplant Registry (ELTR) Group found an increased risk by using CD of more than 55 years. The Italian National Transplant Center has recently assumed that CD age more than 60 years is a potential risk factor for OLT. In this study, a single-center analysis was performed by stratifying CD by three age cut-offs (< or =55 or >55, < or =60 or >60, and < or =65 or >65 years) to evaluate effects on OLT outcome. Although no significant difference in 6-month and 1-year patient or graft survival occurred after stratification for each donor age cut-off, a better survival was observed with OLT performed using livers procured from CD >55 years. A significant increase in cold ischemia time (CIT) was observed among OLT performed with grafts procured from CD < or =55 and < or =65 years (P = .007), and there was an inverse correlation between overall CIT and donor age (R = -0.300; P = .0022). However, no impact on 1-year patient survival was observed by introducing CIT in univariate logistic regression models as well as donor age, recipient age, donor/recipient age ratio, donor/recipient sex mismatch, ELTR diagnostic categories, and UNOS status. The results of this study suggest the suitability of CD of more than 55 years for OLT and the need to further investigate the cut-off value for CIT-related risk.
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