PP32. Midterm Results with Endovascular Popliteal Artery Aneurysm Repair with ePTFE Covered Stent Grafts

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• Objective
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Objective 

Early success has been demonstrated with endovascular repair for popliteal artery aneurysms (PAA) with the Viabahn endoprosthesis. This purpose of this report is to assess the midterm results of endovascular PAA repair with ePTFE covered stent grafts.

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Methods 

From June 2004 to January 2009, 40 patients (mean age 75 years) underwent endovascular repair of 52 PAAs (mean diameter 2.5 cm). Patients with contraindications to antiplatelet or anticoagulant therapy, no in-line tibial artery runoff, and acute limb ischemia were excluded. Procedures were performed under local anesthesia using ipsilateral percutaneous antegrade arterial access. All patients received 75 mg/day of clopidogrel afterwards. Follow-up assessments included direct clinical examination and duplex ultrasonography performed at yearly intervals after the procedure. Patency, secondary patency, freedom from reintervention, limb salvage, and late complications were assessed.

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Results 

Mean and median follow-up were 25 and 23 months, respectively (range 1 - 49). Reintervention rate was 19% but no reinterventions have been performed beyond 18 months of follow-up. No stent-graft thromboses occurred beyond 8 months follow-up. No limb loss was observed.

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Conclusions 

Midterm results with Viabahn endovascular stent-graft exclusion of asymptomatic popliteal artery aneurysms are promising with few complications and continue to match historical results with surgical arterial reconstruction.