Imaging the Stented Superficial Femoral Artery: Fracture Analysis John Karwowski, MD Assistant Professor Division of Vascular Surgery.

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Presentation transcript:

Imaging the Stented Superficial Femoral Artery: Fracture Analysis John Karwowski, MD Assistant Professor Division of Vascular Surgery

The Superficial Femoral Artery Supplies the leg below the knee Straight line conduit

The Superficial Femoral Artery Prone to atherosclerosis and occlusion

Stent Failure In-stent restenosis De facto primary failure mode of SFA stenting Flow Compromise Thrombosis

Intimal Hyperplasia Injury response Cellular mediated Pathologic narrowing J Invasive Cardiol 2003

Stent Fractures Unclear contribution Severe recoil of the original lesion? Mobile and free superficial femoral artery? Cause or coincidence?

Classification

Current Methods Fluoroscopy Hi definition X-ray Not validated Difficult to reproduce

Open Cell Units