Abstract #0785

16-fold accelerated, single-shot late gadolinium enhancement CMR using GRASP for multi-TI reconstruction

Daming Shen^1,2, Kyungpyo Hong³, Bradley D Allen², Daniel C Lee⁴, and Daniel Kim^1,2

¹Biomedical Engineering, Northwestern University, Evanston, IL, United States, ²Radiology, Northwestern University Feinberg School of Medicine, Chicago, IL, United States, ³Biomedical Engineering and Imaging Institute, Icahn School of Medicine at Mount Sinai, New York, NY, United States, ⁴Division of Cardiology, Internal Medicine, Northwestern University Feinberg School of Medicine, Chicago, IL, United States

Late gadolinium enhanced (LGE) CMR is the gold standard test for assessment of myocardial scarring. There is unmet need for high resolution, free-breathing LGE CMR for patients with arrhythmia and/or dyspnea. The purpose of this study was to develop and clinically evaluate a high resolution, free-breathing LGE CMR sequence combined with radial k-space sampling and compressed sensing (CS), which enables image contrast optimization without a TI scout.

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