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Abstract #3277

Optimized 2D-PACE for aorta blood flow gating and its application in T1W morphological cMRI

Fang Dong1, Kun Zhou1, and Shi Cheng1

1Siemens Shenzhen Magnetic Resonance Ltd., ShenZhen, People's Republic of China

Electrocardiogram gating is commonly used in clinical cardiac MRI. However, it takes time to attach ECG electrodes and gating signals can be easily affected. In this abstract, the 2D-PACE technique is optimized for blood flow monitoring to explore its potential as an alternative to ECG gating. A new protocol triggered by 2D-PACE for T1W cardiac morphology was also proposed. Our results showed that the optimized 2D-PACE was robust for blood flow peak detection. And combining with our new protocol, it provided comparable image quality to those from ECG gated conventional protocol, which showed a great potential for cardiac triggering.

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