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Abstract #1944

High-resolution MRI combined arterial spin labeling may distinguish between transient ischemic attack and stroke in intracranial stenosis

Ling Li1, Xiaoling Zhang1, Xiaoyan Lei1, Min Tang1, Xuejiao Yan1, Yu Wen1, Jing Zhang1, and Kai Ai2
1Department of MRI, Shaanxi Provincial People's Hospital, Xi’an, China, 2Philips Healthcare, Xi’an, China

Synopsis

Keywords: Vessel Wall, Atherosclerosis, ASL, transient ischemic attackIn order to prevent TIA patients from further developing into irreversible stroke, it is important to predict the occurrence of stroke in TIA patients. In this study, high-resolution magnetic resonance imaging (HRMRI) and arterial spin labeling (ASL) were used to investigate the differences of middle cerebral artery (MCA) plaque and hemodynamics in patients with ischemic stroke and TIA, and to establish a predictive model for ischemic stroke. The results showed that positive remodeling, enhancement ratio and 2.5s ATA present could be used to predict the occurrence of stroke in patients with TIA, and the prediction model had excellent diagnostic performance.

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Keywords