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Internal iliac artery embolization before endovascular repair of abdominal aortic aneurysms: Frequency, efficacy, and clinical results
Internal iliac artery embolization before endovascular repair of abdominal aortic aneurysms: Frequency, efficacy, and clinical results AMERICAN JOURNAL OF ROENTGENOLOGY Schoder, M., Zaunbauer, L., Holzenbein, T., Fleischmann, D., Cejna, M., Kretschmer, G., Thurnher, S., Lammer, J. 2001; 177 (3): 599-605Abstract
The aim of our study was to assess the frequency, efficacy, and incidence of adverse effects of internal iliac artery embolization.Of 343 patients examined for stent-graft repair, 147 were suitable for endovascular treatment. Fifty-five patients underwent preprocedural embolization of the internal iliac artery either unilaterally (46 patients) or bilaterally (nine patients). Successful embolization was assessed angiographically and with helical CT follow-up examinations. Colonic ischemia was ruled out clinically or colonoscopically. Buttock claudication, and sexual dysfunction in men, were evaluated through a questionnaire.Embolization of the internal iliac artery increased by 16% the percentage of patients for whom endovascular repair was suitable. After successful embolization in all patients, routine CT follow-up examinations after a mean time of 16.7 months showed no evidence of endoleaks related to retrograde perfusion via embolized internal iliac arteries. Nevertheless, in all patients who had undergone embolization, a primary endoleak was detected in 43.4% at the first postoperative CT examination. None of our patients had evidence of colonic ischemia. Clinical follow-up data of 46 patients were available. Of these patients, mild to severe new onset buttock claudication was found in 13 (36.1%) of 36 patients with unilateral, and in eight (80%) of 10 patients with bilateral, internal iliac artery embolization (p = 0.03). Five (25%) of 20 men had an erectile dysfunction after the procedure.Embolization of the internal iliac artery is a safe and efficient procedure that increases the applicability for endovascular repair of aortoiliac aneurysms. However, buttock claudication and erectile dysfunction are a drawback in a substantial number of patients.
View details for Web of Science ID 000170672000015
View details for PubMedID 11517053