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Abstract #3244

10-fold Spatial-Only Acceleration For High-Resolution Myocardial Perfusion Using Multi-Band Imaging and Multi-Band Outer Volume Suppression

Sebastian Weingärtner1,2,3, Steen Moeller2, Chetan Shenoy4, and Mehmet Akçakaya1,2

1Electrical and Computer Engineering, University of Minnesota, Minneapolis, MN, United States, 2Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States, 3Computer Assisted Clinical Medicine, Heidelberg University, Mannheim, Germany, 4Department of Cardiology, University of Minnesota, Minneapolis, MN, United States

Myocardial perfusion imaging is clinically established for the detection of myocardial ischemia and requires rapid imaging to monitor the uptake of a contrast-agent in the heart. Spatial resolution or coverage is commonly increased by exploiting temporal correlations, at the risk of inducing temporal blurring. Here, we investigate the use of simulteaneous multi-slice imaging for high spatial-only acceleration. Outer-volume-suppression using multi-band saturation-slabs (MB-OVS) were used to facilitate high multi-band factors. Phantom results, show through signal suppression outside region-of-interest with MB-OVS. In-vivo results show robust image quality throughout the contrast uptake and washout with 9-slice LV coverage at a temporal resolution <550ms.

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