Abstract
We describe the immediate and midterm results of endovascular treatment of isolated internal iliac artery aneurysms (IIAA). This was a retrospective single center study. From 2005 to 2014, data from 20 consecutive patients who had an embolisation for an isolated atherosclerotic internal iliac artery aneurysm underwent an endovascular treatment. We retrospectively evaluated the technical aspects and outcomes. The mean aneurysm diameter was 42mm (range 30-97mm). No perioperative deaths or treatment failures occurred. No endoleaks or secondary aneurysm ruptures were observed during the follow-up. Three patients experienced disabling buttock claudication, which was spontaneously remissive in two cases. No relationship was found between buttock claudication and the patency of the contralateral internal iliac artery and the deep femoral artery. Six patients (30%) died during follow-up. Among these, three patients died due to cardiovascular events. The mean follow-up interval was 24 months (range 6-96 months). The endovascular treatment of isolated internal iliac artery aneurysm is safe in the short-term and could prevent secondary aneurysm rupture at midterm.
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