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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