Abstract
Type II endoleak remains one of the most common complications after endovascular aneurysm repair. The current study compares outcomes of type II endoleak embolization using direct sac puncture approach versus transarterial embolization in patients treated with endovascular repair of aortic aneurysms in a single-center retrospective cohort. This a retrospective observational cohort of patients who underwent percutaneous treatment of type II endoleak from 2008 to 2017. Patients were divided into 2 groups: embolization of endoleak via transarterial approach (group A) and embolization of endoleak via direct puncture of the sac (group B). Outcomes were compared between groups by the Pearson χ2 tests. A total of 87 consecutive patients (mean age, 77.4 y; range, 61–93 y) were included in the study, 85% were men and 15% were women. Mean interval from endovascular aneurysm repair to embolization was 20.7 months ± 15.8 with a median of 17 months (range, 0–79 months). Median follow up was 47 months (range, 2–105 months). There was a significant difference between clinical success, determined by sac decrease/stabilization on follow-up CT, of direct sac puncture vs. transarterial embolization (77% vs 46%; P = .011). There was significantly higher clinical success with embolization of type II endoleak via a direct sac puncture compared with transarterial embolization in our retrospective cohort on first attempt intervention.
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