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Abstract #3138

Single-Shot Coronary QISS MRA in Children using Radial k-Space Sampling and Compressed Sensing

Daming Shen1, Robert R. Edelman2, Joshua D Robinson3, Hassan Haji-Valizadeh1, Shivraman Giri4, Ioannis Koktzoglou2, Cynthia K. Rigsby3, and Daniel Kim3

1Biomedical Engineering, Northwestern University, Chicago, IL, United States, 2Department of Radiology, NorthShore University HealthSystem, Evanston, IL, United States, 3Department of Radiology, Northwestern University, Chicago, IL, United States, 4Cardiovascular MR R&D, Siemens Healthineers, Chicago, IL, United States

Coronary MRA is complex to set up (e.g., navigator gating to track respiratory motion), typically takes 5-10 min to complete, and often produces inconsistent results. Quiescent-Interval Slice-Selective (QISS) MRA is a promising method for rapid coronary imaging. We sought to develop a single-shot (real-time) coronary QISS MRA using compressed sensing.

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