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Abstract #1648

Can 3D pseudo-continuous territorial arterial spin labeling effectively diagnose patients with recanalization of unilateral MCA stenosis? 

Xinyu Wang1, Weiqiang Dou2, Xinyi Wang1, Kunjian Chen1, Huimin Mao1, and Yu Guo1
1Radiology department, The First Affiliated Hospital of Shandong First Medical University, Jinan, China, 2MR Research China, GE Healthcare, Beijing, China

In this study, the main purpose was to explore the feasibility of 3D pseudo-continuous territory arterial spin labeling (tASL) in evaluating unilateral middle cerebral artery (MCA) recanalization. We included 47 patients with unilateral MCA stenosis diagnosed by DSA and performed tASL examination. Increased relative cerebral blood flow (rCBF) values were found in the blood supply area of MCA postoperatively than pre-operatively. Good prognosis was also revealed to closely associate with Alberta Stroke Program Early CT Score (ASPECTS) scores based on tASL perfusion images. Therefore, tASL can be used as one valuable method to diagnose the effect of vascular recanalization.

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