Occlusive and aneurysmal peripheral arterial disease: assessment of a stent-graft system

Radiology
M HenryO Tricoche

Abstract

To assess the use of a recently developed stent-graft system for treatment of occlusive lesions and aneurysms in the iliac and femoropopliteal arteries. The stent-graft consisted of a nitinol stent framework covered by a thin-walled polyester fabric. The device was used in 105 patients with symptomatic peripheral vascular disease. Implant locations were iliac artery (n = 38), femoral artery (n = 62), and popliteal artery (n = 5). Initial technical success was achieved in all patients except one with occlusive disease and one with aneurysmal disease. Residual stenosis after stent-graft implantation was 0.5% +/- 3. Mean ankle-brachial index increased from 0.53 to 0.98. Complications were hematoma (n = 3), pseudoaneurysm (n = 2), puncture site thrombosis (n = 1), early graft thrombosis (n = 8), graft misplacement (n = 1), distal embolization (n = 2), delayed thrombosis (n = 14), pain and fever (n = 27). At the iliac level, primary patency was 97% and secondary patency was 100%. At the femoral level, primary patency was 59% and secondary patency was 81%. Endoluminal bypass with a percutaneously delivered stent-graft is feasible. Technical results are good, and the number of complications is few at the iliac level. At the femoropopl...Continue Reading

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