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Abstract #2937

Relationship between morphology and hemodynamics of intracranial aneurysms: A preliminary study

Miaoqi Zhang1, Yunduo Li1, Fei Peng2, Aihua Liu2, Rui Li1, and Chun Yuan1,3

1Center for Biomedical Imaging Research, Department of Biomedical Engineering, Tsinghua University, Beijing, China, 2Department of Interventional Neuroradiology, Beijing Neurosurgical Institute and Beijing Tiantan Hospital, Capital Medical University, Beijing, China, 3Department of Radiology, University of Washington, Seattle, WA, United States

In this study, the purpose was to investigate the relationship between morphology and hemodynamics of IA. Flowavg-APA and Flowmax-IA was positive correlated with IA size and was negatively correlated with mWT. Flowavg-APA was positive correlated with IA size when excluding mWT dependence. And no indices were correlated with mWT when excluding IA size dependence. As blood flows into IA, the volume of aneurysm is enlarged, resulting in the reduction of WT. IA size correlated stronger with blood flow than mWT. This study suggests that mWT and hemodynamics may provide additional information other than size, thus improve current IA risk standard.

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