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Abstract #2190

Free-Breathing Cardiac Cine MRI with Compressed Sensing Real-Time Imaging and Retrospective Motion Correction

Jianing Pang1, Pedro Itriago Leon2, Xiaoming Bi3, Gary McNeal1, Christoph Forman4, Christianne Leidecker1, and Prakash M. Masand5
1Siemens Medical Solutions USA Inc., Chicago, IL, United States, 2Siemens Medical Solutions USA Inc., Houston, TX, United States, 3Siemens Medical Solutions USA Inc., Los Angeles, CA, United States, 4Siemens Healthcare, Erlangen, Germany, 5Texas Children's Hospital, Houston, TX, United States

Free-breathing cardiac cine imaging is desirable for improving patient experience, expanding CMR eligibility, achieving robust image quality for uncooperative subjects, and simplifying CMR workflow. In this work, we propose a prototype technique, RTCSCineMoCo, that combines highly accelerated real-time acquisition, compressed sensing reconstruction, and retrospective, fully automated respiratory motion correction. In a preliminary evaluation on four volunteers, RTCSCineMoCo achieved similar spatiotemporal resolution, visually comparable image quality, and consistent LV function parameters as the reference breath-hold technique. RTCSCineMoCo is a promising option for free-breathing cardiac cine imaging, and further studies are warranted to evaluate its feasibility and utility in a clinical setting.

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