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Abstract #1076

Compressed SENSE combined with Keyhole and View-Sharing accelerate Non-contrast enhanced 4D Intracranial MRA based on pCASL

Jilei Zhang1, Weibo Chen1, Jianqing Sun1, Queenie Chan1, Maoxue Wang2, and Bing Zhang2
1Clinical Science, Philips Healthcare, Shanghai, China, 2Drum Tower Hospital, Medical School of Nanjing University, Nanjing, China

The non-contrast enhanced 4D MRA is time-consuming because of the needs to acquire high resolution data at multi-timepoints, which limited its clinical application.In current study, 4D-PACK combined with C-SENSE=6.5 can reduce 23% acquisition time(4 min 42s) for non-contrast enhanced 4D-MRA compared with 4D-PACK with SENSE acceleration, and the excellent acceleration advantage of C-SENSE can improve the clinical application for 4D MRA. the proposed acquisition scheme of 4DMRA with C-SENSE acceleration can be potentially used for evaluating arteriovenous malformation (AVM), arteriovenous fistulas (AVF), moyamoya disease, and stroke patients.

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