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Abstract #1916

Cerebral blood flow in different severity degree moyamoya disease before and after artery bypass surgery

Chuanying Shi1, Weidong Liu1, Jianxun Qu2, Jipeng Wang1, and Chuanchen Zhang1

1Liaocheng People’s Hospital, Liaocheng, China, 2GE Healthcare, MR Research China, Beijing, China

The goal of the present study was to assess the improvement of CBF after STA-MCA bypass surgery in the mid, moderate, and severe regions based on Tmax value in Moyamoya disease patients. For this purpose, 13 Moyamoya patients were scanned using 3D pc-ASL, and the different perfusion territories were separated based on ASPECT scoring system. The results indicate that mid regions did not get obvious CBF improvement after the surgery and the mid patients did not need to get the bypass surgery.

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