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Abstract #2169

An Efficient Sampling Strategy of Fast Multi-slice Cardiac Cine Imaging

Dongchan Kim1, Byungjai Kim2, Kyoung-Nam Kim3, Jun-Young Chung4, HyunWook Park2, and Yeji Han3
1Samsung Electronics, Seoul, Republic of Korea, 2Department of Electrical Engineering, Korea Advanced Institute of Science and Technology, Daejeon, Republic of Korea, 3Department of Biomedical Engineering, Gachon University, Incheon, Republic of Korea, 4Gachon Advanced Institute for Health Sciences and Technology, Gachon University, Incheon, Republic of Korea

Balanced steady-state free precession (bSSFP) with electrocardiogram (ECG) triggering and breath-holding is a common MRI technique for examination of ventricular function. For whole-heart imaging, resting periods are often necessary between breath-holds because many patients find it difficult to perform successive breath-holds and this eventually prolongs the entire examination time. Although self-gating (SG) techniques can relieve the discomfort that comes from multiple breath-holds, the sampling efficiency is limited because the data from inspiration phases are discarded. In this work, we propose a new sampling strategy for efficient multi-slice cardiac cine imaging that acquires data with a reduced number of breath-holds.

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