Prolonged acquisition time and robust fat suppression remain a challenge for coronary MR angiography. Here we present a highly efficient undersampled whole-heart water/fat CMRA acquisition and reconstruction approach, for improved fat suppression at 3Twithin an overall short scan time. The proposed approach is integrated with 2D translational motion correction, to enable 100% respiratory scan efficiency, which in combination with an undersampled acquisition trajectory allows the acquisition of high-resolution water/fat datasets in ~10 minutes. The feasibility of the proposed approach was tested in healthy subjects, and results show improved depiction of the coronary arteries compared to conventional fat suppression.
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