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Imaging the Stented Superficial Femoral Artery: Fracture Analysis

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.

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Imaging the Stented Superficial Femoral Artery: Fracture Analysis

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

  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

  9. Open Cell Units

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