Impact and Consequences of Recipient Gastroduodenal Artery Ligation Before Hepatic Artery Anastomosis During Orthotopic Liver Transplantation
EXPERIMENTAL AND CLINICAL TRANSPLANTATION(2023)
摘要
Objectives: The recipient's gastroduodenal artery is often ligated before the hepatic artery anastomosis during orthotopic liver transplant, to gain either mobility or length of recipient's hepatic artery, potentially protecting the anastomosis by preventing "steal syndrome." In this study, our aim was to evaluate the consequences of gastroduodenal artery ligation and its effect on prevention of hepatic artery thrombosis. Materials and Methods: We retrospectively analyzed deceased-donor orthotopic liver transplant procedures (n = 210) performed at a single center between January 2016 and July 2021 to compare outcomes between recipients with (group 1) and recipients without (group 2) gastroduodenal artery ligation. Group 1 included 78 patients (37%), in which the recipient's common hepatic artery was used for arterial anastomosis; group 2 included 132 patients (63%), in which the right hepatic artery or the proper hepatic artery was used for arterial anastomosis. Occurrences of hepatic artery thrombosis, posto-perative hyperamylasemia, nausea and vomiting, and delayed feeding were compared between the groups. Results: There was no incidence of hepatic artery thrombosis reported in either group. In group 1, 31 patients (39.7%) were reported to have postoperative hyperamylasemia, ranging from 200 to 4700 U/L accompanied by delayed feeding, whereas, in group 2, only 16 of 132 patients (12%) had postoperative hyperamylasemia, ranging from 200 to 1400 U/L (P <.01). Conclusions: Ligation of recipient's gastroduodenal artery is not associated with decreased risk of hepatic artery thrombosis compared with nonligation. However, the procedure does have consequences in the form of possible postoperative hyperamylasemia, leading to delayed feeding probably due to decreased oral tolerance.
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关键词
Hepatic artery thrombosis,Postoperative hyperamylasemia,Splenic artery steal syndrome
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