Abstract #4774

Free-Breathing cardiovascular imaging: comparing central k-space amplitude vs. phase based self-gating approaches

Feifei Qu¹, Uday Krishnamurthy^1,2, Brijesh Kumar Yadav^1,2, Ewart Mark Haacke^1,2, and Jaladhar Neelavalli^1,2

¹Department of Radiology, Wayne State University, Detroit, MI, United States, ²Department of Biomedical Engineering, Wayne State University, Detroit, MI, United States

Two self-gating approaches to reconstruct free-breathing cardiovascular image generated by Golden Angle radial trajectory MRI were compared. The results show that both central k-space magnitude and phase self-gated image have comparable quality with breathhold Cartesian CINE image, and the phase self-gating signal is less sensitive to the coil sensitivity compared to the magnitude based self-gating signal.

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