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Ann Vasc Surg. 2004 Mar;18(2):143-6.

Is coil embolization of hypogastric artery necessary during endovascular treatment of aortoiliac aneurysms?

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  • 1Department of Surgery, University of Wisconsin Medical School, Madison 53717, USA.


The aim of this study was to evaluate the safety and efficacy of stent graft coverage of hypogastric artery in the management of aortoiliac aneurysms. Between January 2000 and December 2002, 98 patients underwent endovascular repair of aortoiliac aneurysms (EVAR). Of these, 24 (24.5%) required occlusion of one hypogastric artery to facilitate the endovascular repair. Based on the method of hypogastric artery occlusion, patients were divided in to two groups. Group A (13/24 = 54%) underwent standard coil embolization followed by hypogastric artery orifice coverage whereas group B (11/24 = 46) underwent hypogastric artery orifice coverage without coil embolization. Post-EVAR computed tomographic angiography (CTA) was used to determine occurrence of endoleaks from the hypogastric artery orifice and patency of superior gluteal artery in both groups. These findings were further correlated with presence or absence of gluteal claudication. There was no difference in age (p < 0.38) or iliac aneurysm size (p < 0.3). In group A (13 patients), occlusion of superior gluteal artery was seen in 6 (46%). Four of six (66%) patients developed severe gluteal claudication. Patients in group A were likely to require more than one intervention (p < 0.00036). No patients in group B developed occlusion of the superior gluteal artery (p < 0.04) or gluteal claudication (p < 0.046). No endoleaks were seen from the origins of hypogastric artery in either group. The follow-up period ranged from 2 to 35 months. Hypogastric artery orifice coverage without coil embolization effectively prevented retrograde endoleak without the occurrence of disabling gluteal claudication. Coil embolization of the hypogastric artery may be unnecessary during treatment of aortoiliac aneurysm.

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