Acute procedural outcomes of orbital atherectomy for the treatment of common femoral artery disease: Sub-analysis of the CONFIRM Registries

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Abstract

This analysis compared the angiographic outcomes of patients treated with orbital atherectomy for calcified common femoral artery (CFA) and superficial femoral artery (SFA) disease. The ideal revascularization strategy for CFA disease is unknown. Endarterectomy has been considered the standard of care for CFA disease for over 50 years. Endovascular intervention is becoming more commonly used to revascularize the CFA given the advances in technology and the less invasive nature of the procedure. Patient demographics, lesion characteristics, and procedure data for all CONFIRM patients with at least one CFA lesion location (n=147 patients; n=200 lesions) were compared to patients with at least one SFA lesion location (n=1508 patients; n=2367 lesions). The primary endpoint was angiographic complication, defined as the composite of dissection, perforation, slow flow, closure, spasm, embolism, or thrombosis. The CFA group had more patients with Rutherford class 4 and shorter lesion length. The CFA group had a higher final residual stenosis, shorter total run time, and shorter total inflation time. The primary endpoint was lower in the CFA group compared with the SFA group (17% vs 24%, p=0.02), driven by a lower dissection rate (10% vs 15%, p=0.04). Plaque modification of the CFA with orbital atherectomy was safe and compared favorably with SFA disease. The need for bail-out stenting was low. A randomized trial is needed to determine the ideal treatment strategy for calcified CFA disease.

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