Lino-Antonio Camblor Santervas

University of Oviedo, Oviedo, Asturias, Spain

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Publications (1)1.17 Total impact

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    ABSTRACT: Background: Intentional hypogastric artery covering during endovascular repair of abdominal aortic aneurysms (EVAR) can carry a non-negligible rate of complications; to preserve pelvic blood flow, several approaches are in use, such as sandwich techniques, branched iliac devices, or the use of aortic extender cuffs in a bell-bottom configuration. We assess the performance of the latter for treatment of common iliac artery aneurysms during EVAR. Methods: Prospective gathering of data in 21 dilated common iliac arteries (18-25 mm) with coexisting abdominal aorta aneurysm, which were treated from 2005 to 2010 and received a GORE(®) Excluder endograft and one (n = 14) or several aortic extenders in a bell-bottom configuration. Control group consisted of 136 EVARs performed with the same device in the same time frame. Median follow-up was of 47 months, with contrast-enhanced computed tomography assessment 1 month after the procedure and yearly thereafter. Results: Age and comorbidities were homogeneously distributed among groups, although the aortic aneurysm diameter was lower in the bell-bottom group (50 mm vs. 58.2 mm, P < 0.001). There was no 30-day mortality registered in this group, and only one patient died during follow-up (5.3%), without relation with the aneurysmal disease. No significant differences were found in reintervention (15.8% vs. 14.7%, P = 0.707) or endoleak rates (36.8% vs. 38.9%, Fisher P = 1). There were no type I and four type II endoleaks, two of which precised treatment for sac growth. Endoleak-free survival (P = 0.994) and reintervention-free survival (P = 0.563) did not show differences either. Conclusion: Bell-bottom technique is a feasible and safe alternative for preserving hypogastric blood flow, and does not imply a higher risk of reintervention or endoleak at 3-year follow-up.
    Full-text · Article · Jul 2012 · Annals of Vascular Surgery