Endovascular Revascularization of Symptomatic Infrapopliteal Arteriosclerotic Occlusive Disease: Comparison of Atherectomy and Angioplasty

ABSTRACT

The preferred method for revascularization of symptomatic infrapopliteal arterial occlusive disease (IPAD) has traditionally been open vascular bypass. Endovascular techniques have been increasingly applied to treat tibial disease with mixed results. We evaluated the short-term outcome of percutaneous infrapopliteal intervention and compared the different techniques used. A retrospective analysis of consecutive patients undergoing endovascular treatment for infrapopliteal arterial occlusive lesions between 2003 and 2007 in a tertiary teaching hospital was performed. Patient demographic data, indication for intervention, and periprocedural complications were recorded. Periprocedural and short-term outcomes were measured and compared. Forty-nine infrapopliteal arteries in 35 patients were treated. Twenty vessels (15 patients) underwent angioplasty and 29 vessels (20 patients) were treated with atherectomy. Demographic and angiographic characteristics were similar between the groups. Twenty-six patients had concurrent femoral and/or popliteal artery interventions. Overall, technical success was 90% and similar between angioplasty and atherectomy groups (85% versus 93%, p = NS). The vessel-specific complication rate was 10% and was similar between both groups (angioplasty 5% versus atherectomy 14%, p = NS). One dissection occurred in the angioplasty group; one perforation and three thromboembolic events occurred in the atherectomy group. Limb salvage and freedom from reintervention at 6 months were 81% and 68%, respectively, and were not significantly different between the angioplasty and atherectomy groups. Endovascular intervention for IPAD had acceptable periprocedural and short-term success rates in our high-risk patient population. Both atherectomy and angioplasty can be used successfully to treat symptomatic IPAD.

Angioplasty - atherectomy - atherosclerosis - infrapopliteal - plaque excision - tibial - stent

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