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Abstract #3463

Highly Accelerated Free Breathing Whole Heart Real-time Cine using AuTO-calibrated Multiband Imaging and Compressed Sensing (ATOMICS)

Yu Ding1, Lele Zhao2, Zhongqi Zhang2, Qi Liu1, Jian Xu1, and Yuan Zheng1
1UIH America, Houston, TX, United States, 2United Imaging Healthcare, Shanghai, China

Conventional whole heart cine scan requires multiple breath-holds, and the prolonged scan time may limit its clinical use. We propose a highly accelerated whole heart real-time cine technique that combines AuTO-calibrated Multiband (MB) Imaging and Compressed Sensing (ATOMICS). With specially designed temporal phase modulation and in-plane undersampling pattern, single-band reference images can be extracted from the multiband data themselves, and cine images can be reconstructed using the CS framework. The proposed technique was demonstrated on a healthy volunteer with 16-fold acceleration (MB=2, undersampling factor=8), and free-breathing whole heart cine with diagnostic quality was acquired in about 12 seconds.

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