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Abstract #4138

FLAIR Vascular Hyperintensity May Predict Ischemic Event in Patients with Internal Carotid Artery or Middle Cerebral Artery Occlusion

Jinhao Lyu1, Mengting Wei1, Xiangbing Bian1, Liuxian Wang1, Senhao Zhang1, Lin Ma1, and Xin Lou1
1Radiology, Chinese PLA General Hospital, The First Medical Center, Beijing, China

Intracranial artery steno-occlusive disease causes high morbidity of ischemic stroke occurrence and reoccurrence. The present study tested the presence of Fluid-Attenuated Inversion Recovery vascular hyperintensity (FVH) to discriminate symptomatic patients from asymptomatic patients in intracranial internal carotid artery or middle cerebral artery occlusion and found that the presence of FVH was independently associated with a recent ischemic event in these patients and negatively correlated with collateral circulation. The findings suggest that FVH may serve as a feasible imaging marker to identify high-risk cases in their follow-up and clinical management.

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