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  • Title: Stent graft placement for postsurgical hemorrhage from the hepatic artery: clinical outcome and CT findings.
    Author: Lim SJ, Park KB, Hyun DH, Do YS, Park HS, Shin SW, Cho SK, Choi DW.
    Journal: J Vasc Interv Radiol; 2014 Oct; 25(10):1539-48. PubMed ID: 25149115.
    Abstract:
    PURPOSE: To evaluate the clinical results and imaging follow-up findings of stent grafts placed for hemorrhage from hepatic arteries following surgery. MATERIALS AND METHODS: The investigation included 17 patients (14 men and 3 women) who underwent endovascular stent graft placement for hepatic arterial hemorrhage following surgery. Bleeding occurred from the common hepatic artery (n = 1; 6%), right hepatic artery (n = 1; 6%), proper hepatic artery (n = 6; 35%), and gastroduodenal artery stump (n = 9; 53%). Stent graft patency, thrombus at the graft, target hepatic artery diameter, and liver perfusion status were analyzed by comparing computed tomography (CT) scans performed before the procedure with follow-up CT scans. Laboratory data were also analyzed before the procedure and at follow-up intervals. RESULTS: There were 17 stent grafts placed in 17 patients. The mean follow-up period was 356 days (range, 1-2,119 d). The stent graft primary patency rate was 79.5% at 1 month, 69.6% at 6 months, and 69.6% at 1 year. The clinical success rate was 82% (14 of 17 patients), and the technical success rate was 94% (16 of 17 patients). Mortality related to the stent graft was 12% (2 of 17 patients). Occlusion occurred in 4 of 16 stent grafts (25%). There was one technical failure. The mean stent graft diameter was 6.2 mm (range, 3.5-8.0 mm), and the degree of stent graft oversizing was 38% of the hepatic artery diameter on CT scans and 58% on angiography. Hepatic parenchymal perfusion was preserved in 80% of patients (12 of 15). CONCLUSIONS: Hepatic artery hemorrhage following surgery can be treated effectively with stent graft placement.
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