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

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Presentation on theme: "Imaging the Stented Superficial Femoral Artery: Fracture Analysis John Karwowski, MD Assistant Professor Division of Vascular Surgery."— Presentation transcript:

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

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

3 The Superficial Femoral Artery Prone to atherosclerosis and occlusion

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

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

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

7 Classification

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

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13 Open Cell Units

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