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Abstract #2736

The value of different plaque indicators in predicting stroke

Yan Wang1,2, Xiaoyue Ma1,2, Yan Bai1,2, Qiang Li1, Xianchang Zhang3, Yusong Lin4, and Meiyun Wang1,2

1Department of Radiology, Henan Provincial People's Hospital, Zhengzhou, China, 2Henan Key Laboratory for Medical Imaging of Neurological Diseases, Zhengzhou, China, 3MR Collaboration, Siemens Healthcare Ltd., Beijing, China, 4Cooperative Innovation Center of Internet Healthcare & School of Software and Applied Technology, Zhengzhou University, Zhengzhou, China

Emerging evidence suggests that the characteristics of intracranial plaques detected by high-resolution vessel wall imaging may serve as an important in-vivo biomarker for predicting ischemic stroke. Different indicators have been introduced to depict plaque features, such as remodeling index, contrast enhancement, and stenosis rate. The purpose of this study was to comprehensively assess the diagnostic performance of these indicators by a quantitative comparison between ischemic stroke patients and transient-ischemic-attack patients. Our results indicated that the remodeling index may have a predictive power similar to contrast enhancement while stenosis rate was a poor predictor.

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