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Abstract #0995

Feasibility of Applying MB EPI pCASL for High-Resolution Whole Brain Perfusion Imaging at 7T

Xiufeng Li 1 , Dingxin Wang 2 , Steen Moeller 1 , Kamil Ugurbil 1 , and Gregory J Metzger 1

1 Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States, 2 Siemens Medical Solutions USA Inc, Minneapolis, MN, United States

Due to various challenges, there exist only few arterial spin labeling imaging studies at 7T, and most mainly focused on superior brain region. Recently, Multi-Band (MB) imaging, as a novel method reducing MRI time with increased spatial or temporal resolution, was applied at 3T using FAIR. Here, the feasibility of applying MB EPI pCASL for whole brain perfusion imaging at 7T has been explored and demonstrated with passive B1 and 3rd B0 shimming optimization, showing that up to 10 times acceleration can be achieved for MB EPI in pCASL imaging with acceptable data quality for assessing perfusion.

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