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Abstract #0605

Imaging Fetal Congenital Heart Disease Using Motion Compensated Cardiovascular Magnetic Resonance Imaging

Christopher W Roy1,2,3, Davide Marini4, David F. A. Lloyd5,6, Wadi Mawad4, Shi-Joon Yoo4,7, Eric M. Schrauben2, Edgar Jaeggi2,4,7, Mike Seed4,7, and Christopher K. Macgowan2,3

1Radiology, Lausanne University Hospital (CHUV) and University of Lausanne (UNIL), Lausanne, Switzerland, 2Translational Medicine, The Hospital for Sick Children, Toronto, ON, Canada, 3Medical Biophysics, University of Toronto, Toronto, ON, Canada, 4Pediatric Cardiology, The Hospital for Sick Children, Toronto, ON, Canada, 5Imaging Sciences and Biomedical Engineering, King's College London, London, United Kingdom, 6Paediatric and Fetal Cardiology, Evelina Children's Hospital, London, United Kingdom, 7Pediatrics and Diagnostic Imaging, University of Toronto, Toronto, ON, Canada

In pregnancies where fetal congenital heart disease is suspected during routine obstetric ultrasound, a thorough echocardiographic workup is required to assess the fetal cardiac anatomy and function. MRI has been increasingly proposed as an adjunct diagnostic tool to evaluate the fetus. In this work, we present a newly developed method for reconstructing high-resolution dynamic MR images of the fetal heart, evaluate this modality in the context of visualizing cardiac abnormalities, and compare to echocardiography. We show that MRI of the fetal heart has the potential to compliment echocardiography in the assessment of congenital heart disease.

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