Pseudoaneurysm of the hepatic artery following liver transplantation

被引:48
作者
Fistouris, J. [1 ]
Herlenius, G. [1 ]
Backman, L. [1 ]
Olausson, M. [1 ]
Rizell, M. [1 ]
Mjornstedt, L. [1 ]
Friman, S. [1 ]
机构
[1] Sahlgrens Univ Hosp, Dept Transplantat & Liver Surg, S-41345 Gothenburg, Sweden
关键词
D O I
10.1016/j.transproceed.2006.07.028
中图分类号
R392 [医学免疫学]; Q939.91 [免疫学];
学科分类号
100102 ;
摘要
We report 12 cases of pseudoaneurysm hepatic artery (PA) among 825 liver transplantations (OLT) performed between January 1985 and December 2005. In the early period (1985 to 1995), the incidence was 2.6% and in the later period (1996 to 2005), 0.9%. Median time to onset was 39.5 days post-OLT (range 14 days to 5 years). Six patients presented with rupture into the peritoneum (n = 4) or gastrointestinal tract (n = 2), while five patients presented with gastrointestinal bleed due arteriobiliary fistulation with hemobilia. The twelfth PA was found incidentally during retransplantation. PAs were detected with radiological imaging (n = 4), exploratory laparotomy (n = 6), at autopsy (n = 1) or at retransplantation (n = 1). We performed immediate revascularization, after surgical excision was performed in three and endovascular embolization in one patient. In six patients hepatic artery ligation without revascularization was inevitable with subsequent successful retransplantation in four patients. No PA-specific treatment was attempted in two cases due to the poor prognosis or diagnostic ambiguity. In 10 cases microbial pathogens Were cultured in the blood, subhepatic abscesses, or from the wall of the hepatic artery. A hepaticojejunostomy was performed for biliary reconstruction in six patients and two had a hepaticojejunostomy conversion due to biliary leak. Survival in the early period (1985 to 1995) was 14%, whereas during the later period (1996 to 2005), the survival increased to 100% with a 4.2-year median follow-up (range 7.4 months to 6.9 years). Infrequently PA complicates OLT, becoming evident primarily after rupture with hemoperitoneum or a gastrointestinal bleed. Early recognition with angiography is important but acute hemorrhage often requires immediate exploration with ligation of the PA, although surgical or endovascular exclusion of the PA followed by revascularization provides a feasible treatment option.
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收藏
页码:2679 / 2682
页数:4
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