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Abstract #4326

HASTE imaging with externally optimized skewed saturation pulses for fetal imaging at 3T - initial results

Borjan Gagoski 1 , Cornelius Eichner 2 , Mukund Balasubramanian 3 , Himanshu Bhat 4 , Kawin Setsompop 2 , and Patricia Ellen Grant 1

1 Fetal-Neonatal Neuroimaging & Developmental Science Center, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States, 2 A.A. Martinos Center for Biomedical Imaging, Department of Radiology, Massachusetts General Hospital, Charlestown, MA, United States, 3 Department of Radiology, Boston Children's Hospital, Harvard Medical School, Boston, MA, United States, 4 Siemens Healthcare, Charlestown, MA, United States

This work shows preliminary results demonstrating the feasibility and potential for reducing the readout length of the HASTE acquisition for 3T fetal imaging while keeping the original voxel sizes, by applying outer volume skewed saturation pulses oriented perpendicular to the PE direction. Further optimization of the application of spatial saturation pulses in the pregnant abdomen is yet to be done. We believe that these methods are promising way to reduce the HASTE readout length and thus will make the HASTE acquisitions less susceptible to fetal motion in the future.

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