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Abstract #2157

Radial LC-SSFP for Left Atrial Cine Imaging

Jaime Robb1,2, Chenxi Hu1, and Dana Peters1

1Yale University, New Haven, CT, United States, 2University of Glasgow, Glasgow, United Kingdom

Balanced steady-state free precession (b-SSFP) imaging of left atrial cine is severely affected by off-resonance artefacts, particularly in the pulmonary veins. Acquisition and combination of data sets with different phase-cyclings has been shown to remove banding artefacts with a trade-off in scan time. The purpose of this work is to present an approach to banding artefact removal in b-SSFP imaging for left atrial cine. We propose the use of interleaved, undersampled radial projections with LC-SSFP. This method provides increased pulmonary vein conspicuity and image quality with only minor increase in scan time and streaking artefact.

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