Abstract #2118

Inversion Recovery Cardiac and Respiratory Self-gated Simultaneous Acquisition of Cine and LGE Images Using a Golden-angle Spiral Pulse Sequence

Ruixi Zhou¹, Yang Yang², Daniel S. Weller³, Abdul Haseeb Ahmed⁴, John P. Mugler⁵, Mathews Jacob⁴, and Michael Salerno⁵

¹Biomedical Engineering, University of Virginia, Charlottesville, VA, United States, ²Medicine, Radiology and Medical Imaging, University of Virginia, Charlottesville, VA, United States, ³Electrical and Computer Engineering, University of Virginia, Charlottesville, VA, United States, ⁴Electrical and Computer Engineering, University of Iowa, Iowa city, IA, United States, ⁵Medicine, Biomedical Engineering, Radiology and Medical Imaging, University of Virginia, Charlottesville, VA, United States

We proposed an inversion recovery respiratory and cardiac self-gated continuous spiral acquisition pulse sequence to acquire cine and LGE images simultaneously. Data is acquired using a single spiral interleaf, rotated by the golden-angle in time, with an inversion pulse applied every 5 seconds. Cine images were reconstructed from the steady state portion of the signal using L+S, while LGE images were reconstructed from the data at a specific TI after each inversion pulse using SPIRiT. This strategy will enable whole heart cine and LGE imaging in less than 5 minutes without the need for breath holding or ECG gating.

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