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Abstract #3407

BMART-Enabled Field-Map Combination of Phase-Cycled Projection-Reconstruction Cardiac Cine for Banding-Free Balanced SSFP

Anjali Datta1, Dwight Nishimura1, and Corey Baron2
1Electrical Engineering, Stanford University, Stanford, CA, United States, 2Medical Biophysics, Western University, London, ON, Canada

For banding-free cardiac cine bSSFP imaging, we present a non-Cartesian accelerated frequency-modulated sequence that acquires three phase-cycles within a short breath-hold. A projection-reconstruction trajectory is used and data is also acquired on the rewinds, enabling generation of a B0 field map using BMART. This facilitates field-map combination of the phase-cycle images, which results in more homogeneous blood pool and reduced signal contributions from out-of-slice spins than root-sum-of-squares.

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