Abstract
The management of late hepatic artery thrombosis (LHAT) after liver transplantation (LT) is not codified. The objective of this study was to retrospectively evaluate outcomes after LHAT. All patients with HAT diagnosed 3months or later after LT on computed tomography between 1993 and 2017 were included. Our policy was to apply a conservative management for asymptomatic or mild symptomatic patients and reserve retransplantation to symptomatic patients with diffuse cholangitis or liver abscess. A total of 56 patients were analyzed. LHAT diagnosis was made after a median interval of 48months from LT (ranging from 3 to 368.3). At diagnosis, 28 (50%) patients were asymptomatic, 10 (17.8%) had mild symptoms (transient acute cholangitis), and 18 (32.1%) had severe complications. Asymptomatic patients experienced a 5-year graft survival of 57% vs. 40% in those with mild symptoms and 11% in those with severe complications (P<0.001). However, there was no difference in overall patient survival between groups. Our results suggest that conservative management of LHAT for asymptomatic patients or patients with mild complications is safe. Retransplantation should be reserved to patients with severe biliary complications.
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