Abstract
A retrospective, single-center review was performed from 2014 to 2019. A total of 64 iliac branch devices (IBDs) were placed in 64 patients (n = 59; [92%] with the Gore iliac branch excluder graft [W. L. Gore and Associates, Flagstaff, Ariz]; and n = 5 [8%] with the Cook Zenith branched iliac device [Cook Medical, Bloomington, Ind]). Technical success was achieved in 60 of the 64 patients (94%). Previous endovascular aortic aneurysm repair (EVAR) in 14 patients was significantly associated with technical failure. Five cases of component separation between the main body and the IBD had occurred and required bridging components (three intraoperatively and two during follow-up). Increased tortuosity of aortoiliac and iliac-specific segments was significantly associated with component separation, as was the use of larger internal iliac components. Internal branch occlusions occurred in four patients (7%; two occlusions were successfully reopened with endovascular procedures and two patients were asymptomatic). IBD-specific complications rarely occur. A history of EVAR was associated with technical failure, and increased aortic and iliac tortuosity were predictive of component separation and type III endoleak.
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