Abstract #1060

Parallel Transmit Optimized Spiral Composite Adiabatic Pulses for 3D Spatial-Spectral Selectivity in Spectroscopy

Xiaoxuan He¹, Edward Auerbach¹, Michael Garwood¹, Xiaoping Wu¹, and Gregory J Metzger¹

¹Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, United States

In this abstract we demonstrated by simulation and phantom experiments the feasibility of designing composite refocusing pulse for spectroscopy using parallel transmission, featuring inherent 2D spatial and spectral selectivity along with improved immunity to B0 non-uniformity and B1+ heterogeneity while simultaneously providing lipid and water suppression and short echo times of ~18ms.

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