Abstract #0018

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 Seed^2,4, and Christopher K. Macgowan^1,5

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

Synopsis

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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