Abstract #2086

Signal-Intensity-Ratio of Carotid Intraplaque Hemorrhage Stratifies Risk of Acute Cerebral Infarct: A Chinese Atherosclerosis Risk Evaluation Study

Yang Liu¹, Dandan Yang², Yongjun Han², Chun Yuan³, Wei Wang¹, and Xihai Zhao⁴

¹Department of Radiology, The Affiliated Hospital of Yangzhou University, Yangzhou, China, ²Center for Brain Disorders Research, Capital Medical University and Beijing Institute for Brain Disorders, Beijing, China, ³Department of Radiology, University of Washington, Seattle, WA, United States, ⁴Center for Biomedical Imaging Research, Department of Biomedical Engineering, Tsinghua University School of Medicine, Beijing, China

Previous studies have shown that the presence of carotid IPH is a strong predictor for future ischemic events. The present study investigated the usefulness of the signal-intensity-ratio of IPH in carotid arteries for stratification of acute cerebral infarct (ACI) risk using multicontrast MR vessel wall imaging. We found that the signal-intensity-ratio of carotid IPH on T1W images was independently associated with the presence of acute cerebral infarct. Our results suggest that the age of carotid IPH might be an independent indicator for the risk of acute ischemic cerebrovascular events.

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