Abstract

Increased biliary complications in hepatopulmonary syndrome (HPS) have been hypothesized due to post-transplant hypoxemia. Supporting this hypothesis, we report histopathological findings from an explant liver allograft where the recipient suffered severe and prolonged post-operative hypoxemia. A 4-year-old child underwent liver transplantation (LT) for decompensated chronic liver disease complicated by severe HPS. The post-operative period was complicated by severe prolonged hypoxemia. HPS resolved completely 6 months after LT only to recur 3 months later due to graft dysfunction. The child underwent retransplantation 8 months after the first LT. The explant liver showed bile duct loss along with ulceration and fibrosis of large hilar bile ducts biliary, suggestive of ischemic cholangiopathy. Based on the histopathology findings, we suggest that severe prolonged hypoxemia during post-transplant period could cause ischemic cholangiopathy, which can lead to biliary complications.

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