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Abstract #1659

Cerebral perfusion territory changes after artery recanalization in unilateral MCA stenosis disease: a territory arterial spin labeling  study

Xinyu Wang1, Xinyi Wang2, and Weiqiang Dou3
1Medical imaging, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan,Shandong, China, 2Medical imaging, The First Affiliated Hospital of Shandong First Medical University, Jinan,Shandong, China, 3MR Research China, GE Healthcare, Beijing, China

In this study, the main purpose was to explore the clinical value of territory arterial spin labeling (T-ASL) in assessing perfusion changes after unilateral middle cerebral artery (MCA)recanalization. We included 15 patients diagnosed by Digital Substraction Angiography(DSA) with unilateral MCA stenosis, T-ASL examination was performed before and after surgery. Patients showed significantly different reperfusion areas between pre- and post-operations, and some had hyperperfusion displacement in the major cerebral arterial blood supply area. Therefore, T-ASL technique can be used as a valuable method to evaluate the effect of vascular recanalization accurately.

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