Virtual Histology Optical Coherence Tomography Imaging of Orbital Rotational Atherectomy for Calcified Peripheral Arterial Disease

A 72-year-old man with critical limb ischemia of the right lower extremity was referred for revascularization. His peripheral angiography showed severely calcified total occlusions of the right posterior tibial artery, peroneal arteries, and dorsalis pedis, with severe stenosis of the anterior tibial artery with collaterals (Figures 1A-1D). In order to assess the vascular effects of rotational orbital atherectomy, we performed intravascular imaging with virtual histology intravascular optical coherence tomography (VH-IVOCT ...
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