Abstract #3213

Improved Assessment of Left Ventricular Diastolic Function using High-Temporal Cine-CMR

Keigo Kawaji¹, Mita B. Patel¹, Marco Marino¹, Roberto M. Lang^1,2, Hui Wang³, Yi Wang⁴, and Amit R. Patel^1,2

¹Medicine, The University of Chicago, Chicago, IL, United States, ²Radiology, The University of Chicago, Chicago, IL, United States, ³Philips Healthcare, Cleveland, OH, United States, ⁴Biomedical Engineering and Radiology, Cornell University, New York, NY, United States

Assessment of diastolic function using cine-CMR is limited by its temporal resolution. A high-temporal cine-CMR approach that yields comparable temporal resolution to echocardiography was recently developed using radial trajectories with a custom spoke ordering that exploits the property of prime numbers (Modulo-Prime Spokes, or MoPS), as well as a radial UNFOLD-type streaking artifact removal step. In this study, we validate the functional cine-assessment parameters associated with systolic and diastolic performance of the left ventricle (LV) by comparing the measurements derived from time-volume curves between the proposed radial MoPS-Cine and the clinically employed Cartesian Cine reference.

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