Abstract #0093

Comprehensive hemodynamic assessment in non-sedated neonates with CHD using motion-robust 3D radial phase-contrast MR

Eric Schrauben¹, Jessie Mei Lim², Datta Goolaub³, Davide Marini⁴, Michael Seed^4,5, and Christopher K Macgowan^1,3

¹Translational Medicine, The Hospital for Sick Children, Toronto, ON, Canada, ²Physiology, University of Toronto, Toronto, ON, Canada, ³Medical Biophysics, University of Toronto, Toronto, ON, Canada, ⁴Heart Centre, The Hospital for Sick Children, Toronto, ON, Canada, ⁵Paediatrics, University of Toronto, Toronto, ON, Canada

The complex hemodynamics in congenital heart disease (CHD) are difficult to visualize and quantify in neonates and young infants. Here we present a novel motion robust and respiratory-resolved acquisition and reconstruction pipeline that addresses the need for rapid, high spatial resolution imaging in these patients. 3D cardiac flow is visualized and quantification comparison with 2D PC measurements is exhibited. This technique opens the door for more comprehensive investigations into the wealth of hemodynamic information not normally considered in surgical planning and follow-up evaluations of CHD.

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