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Abstract #1082

Balanced SSFP Highly Accelerated Cine ‘Watermark’ Quantifies 2D Myocardial Strain with comparison to 2D Spiral Cine DENSE

Ronald J. Beyers1, Nouha Salibi1, and Thomas S. Denney1

1MRI Research Center, Auburn University, Auburn University, AL, United States

Cardiac MRI (CMR) myocardial tagging enables quantification of myocardial strain. However, tagging remains limited to a research context due to the time-intensive analysis and need to run multiple sequences. CMR sequences must be fast and efficient. We previously developed low-acceleration FLASH and Balanced-SSFP versions of Cine ‘Watermark’ (CWM) that acquire normal cine magnitude images plus ‘hidden’ (via phase) cardiac strain data for calculating myocardial strain. Here we present a highly x4 accelerated bSSFP CWM with improved performance and scan efficiency. The bSSFP CWM is demonstrated in human subjects at 3T and its performance is compared to 2D Spiral Cine DENSE.

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