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  • Title: Endovascular treatment of abdominal aortic aneurysms involving iliac bifurcation: role of iliac branch graft device in prevention of buttock claudication.
    Author: Fernández-Alonso L, Fernández-Alonso S, Grijalba FU, Fariña ES, Aguilar EM, Alegret Solé JF, Pascual MA, Centeno R.
    Journal: Ann Vasc Surg; 2013 Oct; 27(7):851-5. PubMed ID: 23540668.
    Abstract:
    BACKGROUND: The aim of this study was to describe our early experience with the use of iliac branch grafts (IBGs) in aortoiliac aneurysm repair at our institution and to evaluate the technical feasibility, short-term patency rate, and potential clinical benefits, with special focus on prevention of buttock claudication. METHODS: From March 2009 to November 2010, 9 consecutive patients (all men), mean age 71.1 years (range 62-80 years), underwent IBG implantation at our institution. Indications were abdominal aortic aneurysm (AAA) with common iliac artery (CIA) involvement (n = 7), bilateral CIA aneurysm (n = 1), and AAA with bilateral CIA and unilateral IIA involvement (n = 1). Postoperative endoleaks and patency rate were determined with computed tomography (CT) within 1 month of implantation and 1 year thereafter, with concurrent clinical evaluation for pelvic ischemia. Mean follow-up period was 14.7 (range 9-29) months. RESULTS: Technical success rate, as defined by successful implantation of the iliac branch graft (IBG) with no intraprocedural type I or type III endoleak, was 100%. The mean hospitalization duration was 4 days (range 3-6 days), with 0% mortality at 30 days. There were 3 cases of type II endoleak detected perioperatively, which were treated conservatively. Two endoleaks sealed spontaneously on the 1-month CT scan and 1 persists without aneurysm sac expansion. All stent-implanted aortic and iliac aneurysms remained stable in size during follow-up, with no aneurysm rupture or death recorded. All stent-implanted iliac branches remained patent on follow-up and all patients were asymptomatic. CONCLUSIONS: Iliac branch graft placement is a feasible technique with excellent short-term results in the treatment of abdominal aortic aneurysms involving the iliac bifurcation. This technique can efficiently prevent buttock claudication.
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