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Abstract #4815

Preliminary Experience Using Motion-Robust Dynamic MRI to Visualize Fetal Congenital Heart Disease: Comparison to Static MRI

Christopher W. Roy1,2, Mike Seed3,4, and Christopher K. Macgowan1,2

1Medical Biophysics, University of Toronto, Toronto, ON, Canada, 2Physiology and Experimental Medicine, Hospital for Sick Children, Toronto, ON, Canada, 3Pediatric Cardiology, Hospital for Sick Children, ON, Canada, 4Pediatric and Diagnostic Imaging, University of Toronto, Toronto, ON, Canada

Recent advances in cardiac MRI have enabled powerful new methods for assessing the fetal heart in utero. Using a novel reconstruction framework, combining methods for motion correction, retrospective gating, and accelerated imaging, motion-robust CINE images are reconstructed and compared to conventional static MRI of the fetal heart. Preliminary evaluation of fetal congenital heart disease with this technique is demonstrated in multi-slice axial acquisitions of four subjects.

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