Fetal cardiac 4D imaging from multi-planar balanced SSFP MRI
Sharon Portnoy1, Joshua F.P. van Amerom2, Amanda Hope3, Datta Singh Goolaub3, Liqun Sun2, Mike Seed2,4, and Christopher K. Macgowan1,5
1Translational Medicine, Hospital for Sick Children, Toronto, ON, Canada, 2Cardiology, Hospital for Sick Children, Toronto, ON, Canada, 3Hospital for Sick Children, Toronto, ON, Canada, 4Diagnostic Imaging, Hospital for Sick Children, Toronto, ON, Canada, 5Medical Biophysics, University of Toronto, Toronto, ON, Canada
This work explores the feasibility of 4D fetal whole-heart image reconstruction from high resolution 2D multiplanar radial bSSFP acquisitions. High quality 4D reconstructions (1 mm isotropic spatial resolution, ~20 ms temporal resolution) are demonstrated in 3 congenital heart disease cases with distinct cardiac abnormalities. These dynamic, highly detailed visualizations of the fetal heart facilitate prenatal CHD diagnosis and planning for delivery and surgical intervention.
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