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  • Title: Retransplantation for Late Hepatic Artery Thrombosis: Results from a Single Center.
    Author: Almeida JD, Waisberg DR, Martino RB, Rocha-Santos V, Pinheiro RS, Arantes RM, Ducatti L, Nacif LS, Lee AD, Haddad LB, Song AT, Silva MS, Alvarez J, Marin-Castro P, Vieira IF, Galvão FH, Carneiro-D'Albuquerque LA, Andraus W.
    Journal: Transplant Proc; 2024 Jun; 56(5):1080-1082. PubMed ID: 38862364.
    Abstract:
    BACKGROUND: Hepatic artery thrombosis is the most common vascular complication of liver transplantation. When occurring late in the postoperative course, it may have no clinical repercussions, and conservative treatment may be implemented. Some patients, however, will develop severe biliary complications due to ischemic cholangiopathy and require retransplantation. The aim of this study is to report the outcomes of retransplantation in this population. METHODS: This is a single-center retrospective study involving all adult patients who underwent liver retransplantation due to late hepatic artery thrombosis from January/2010 to December/2022. RESULTS: During the study period, 1378 liver transplants were performed in our center; 147 were retransplantations, with 13 cases of late hepatic artery thrombosis (0.94%). All had symptomatic ischemic cholangiopathy. Twelve of them had already presented previous cholangitis, bilomas, or liver abscesses and had undergone biliary stenting or percutaneous drainage. The median time between the first liver transplant and late hepatic artery thrombosis diagnosis and between this diagnosis and retransplantation were 73 and 50 days, respectively. Arterial reconstruction using splenic artery, celiac trunk, or arterial conduit from the aorta was performed in 7 cases, whereas biliary reconstruction was mostly done with choledochojejunostomy (n = 8). There were 4 perioperative deaths, 2 due to primary non-function and 2 due to refractory shock after exceedingly complex retransplants. CONCLUSION: Liver retransplantation due to late hepatic artery thrombosis is a rare condition that should be offered to patients who develop severe biliary complications and recurrent infections. It is nonetheless a challenging procedure associated with significant perioperative mortality.
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