Abstract #3004

High prevalence of intraplaque hemorrhage in peripheral artery disease is indicated by large coverage femoral vessel wall MRI

Niranjan Balu¹, Jie Sun¹, Thomas Hatsukami², Daniel Isquith³, Susan McKeeth³, Chun Yuan¹, and Xue-Qiao Zhao³

¹Radiology, University of Washington, Seattle, WA, United States, ²Vascular Surgery, University of Washington, Seattle, WA, United States, ³Cardiology, University of Washington, Seattle, WA, United States

Intraplaque hemorrhage (IPH) is known to be a high-risk atherosclerotic plaque feature based on carotid imaging but its prevalence is unknown in peripheral artery disease (PAD). Since PAD is a diffuse disease that can occur along a long stretch of the femoral artery, large coverage 3D vessel wall MRI is required to identify IPH prevalence in PAD. This study reports the high prevalence of IPH in patients with an abnormal ankle-brachial index (ABI) using IPH specific large coverage 3D vessel wall MRI.

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