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Abstract #2941

Plaque Characteristics Contribute to Misery Perfusion in Patients with Symptomatic Middle Cerebral Artery Stenosis: A Study of Combined Perfusion MR and High-Resolution Vessel Wall Imaging

Song Liu1,2, Ruowei Tang1,2, Weiwei Xie1,2, Shengting Chai1,2, Wen Shen2, and Shuang Xia2

1Radiology Department, First Clinical College,Tianjin Medical University, Tianjin, China, 2Radiology Department, Tianjin First Central Hospital, Tianjin, China

High-resolution vessel wall imaging(HR-VWI) is an novel technique used to assess intracranial artery stenosis, and it has been useful in clinical practice. In addition, time-to-maximum (Tmax) maps, derived from PWI, are increasingly being used in studies of ischemic stroke, and can provide more prominent cerebral hemodynamic information. Our study aimed to investigate the plaque characteristics in middle cerebral artery (MCA) between patients with and without hypoperfusion area, and to identify the risk factors affecting hypoperfusion area.

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