Midterm results of endovascular stented grafts for the treatment of isolated iliac artery aneurysms

R. E. Parsons, M. L. Marin, F. J. Veith, R. B. Parsons, L. H. Hollier

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Abstract

Purpose: Isolated aneurysms of the iliac arteries are uncommon lesions that require surgical repair to prevent rupture. Methods: During a 4-year period, we used endovascular stented grafts (EGs) to treat 28 iliac artery aneurysms that were not associated with aortic aneurysms. Twenty-five patients, with a total of 24 common lilac (15 right, nine left) and four internal iliac (two right, two left) artery aneurysms, underwent endovascular grafting. There were 24 men and 1 woman, with a mean age of 74 years (range, 51 to 88 years). Combined common and internal lilac artery aneurysms were present in three patients. Nineteen patients who underwent treatment with EGs were administered epidural anesthesia (22 epidural, two local, one general). Before surgery, one patient had lower extremity embolization and ischemia from the aneurysm, three had abdominal or back pain, and the remaining were asymptomatic. The EGs were constructed of polytetrafluoroethylene grafts and balloon expandable stents. Results: Four procedure-related complications (12%) occurred (distal extremity embolization, n = 1; wound complications, n = 2; colonic mucosal ischemia, n = 1). Only a minimal reduction in the aneurysmal diameter was seen in 90% of the iliac artery aneurysms treated. The remaining lesions showed no change in size, and no aneurysm had an increase in cross-sectional diameter on computed tomographic images enduring a follow-up period up to 4 years (mean, 24 months). One aneurysm ruptured after successful endovascular exclusion, and the patient underwent treatment with open repair. The 3-year primary patency rate of lilac EGs was 86%. Conclusion: EGs appear to show satisfactory safety and efficacy for the repair of isolated aneurysms of the iliac arteries.

Original languageEnglish
Pages (from-to)915-921
Number of pages7
JournalJournal of Vascular Surgery
Volume30
Issue number5
DOIs
StatePublished - 1999

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