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Abstract #2135

Plaque Burden of Carotid Atherosclerotic Stenosis Influences Collateral Circulation

Huimin Xu1, Ran Huo1, Ying Liu1, Lizhi Xie2, Ruijing Xin3, Tao Wang1, Huishu Yuan1, and Xihai Zhao4
1Peking University Third Hospital, Beijing, China, 2GE healthcare, Beijing, China, 3Southeastern University, Nanjing, China, 4Center for Biomedical Imaging Research, Beijing, China

The development of secondary collaterals can be affected by the degree of luminal stenosis, which is not parallel with plaque burden since the positive remodeling effect for elastic arteries. This study aimed to determine the association of carotid plaque burden with status of secondary collaterals in patients with severe carotid stenosis. We found that patients with poor collaterals had significantly larger Max WT than those with good collaterals (7.29 ±1.15 mm vs. 6.59 ± 0.93 mm; P=0.018) when the plaque is larger than 5.45mm.

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