Abstract #2241

16-fold accelerated real-time free-breathing cardiac cine MRI in patients with a cardiac implantable electronic device

Sungtak Hong¹, Kyungpyo Hong², Austin E Culver¹, Bradley D Allen¹, Daniel C Lee³, and Daniel Kim¹

¹Radiology, Northwestern University, Chicago, IL, United States, ²Translational and Molecular Imaging Institute and Department of Radiology, Icahn School of Medicine at Mount Sinai, New York, NY, United States, ³Division of Cardiology, Internal Medicine, Northwestern University, Chicago, IL, United States

CMR measurements in CIED patients are critical but challenging due to susceptibility artifacts. We described the development of highly accelerated, real-time, free-breathing cine pulse sequence using compressed sensing with variable density “lattice-like” k-space sampling scheme. Comprehensive comparison was done to estimate performance against clinical standard breath-hold cine pulse sequence.

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