Midterm Results After Abandoning Routine Preemptive Coil Embolization of the Internal Iliac Artery During Endovascular Aneurysm Repair

Yannick W 't Mannetje, Pieter P H L Broos, Joep A W Teijink, Rutger A Stokmans, Philippe W M Cuypers, Marc R H M van Sambeek
Journal of Endovascular Therapy 2019, 26 (2): 238-244

PURPOSE: To analyze the results of endovascular repair of common iliac artery (CIA) aneurysms without preemptive coil embolization of the internal iliac artery (IIA).

MATERIALS AND METHODS: Between January 2010 and July 2016, 79 patients (mean age 74.3±8.4 years; 76 men) underwent endovascular repair extending into the external iliac artery owing to a CIA aneurysm. The procedure was performed for a ruptured aneurysm in 22 (28%) patients. Eighty-one IIAs were intentionally covered. The median CIA diameter was 37 mm (range 20-90). The primary outcomes were the occurrence of type II endoleaks and the incidence of buttock claudication.

RESULTS: Five (6%) patients died within 30 days (4 with ruptured aneurysms and 1 elective case). Two type II endoleaks originating from a covered IIA were recorded; one required an endovascular intervention because of aneurysm growth. The other patient died of a rupture based on an additional type III endoleak. Mean follow-up was 37.6±26.3 months. Nineteen (26%) patients required a secondary intervention. Buttock claudication was reported in 21 (28%) of 74 patients and persisted after 1 year in 7. No severe ischemic complications as a result of IIA coverage were recorded, and no revascularization was required during follow-up.

CONCLUSION: Treatment of CIA aneurysms by overstenting the IIA without preemptive coil embolization is safe and has a low risk of type II endoleak and aneurysm growth. Persisting buttock claudication is rare.

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