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Abstract #4129

Assessment of Late-Onset Fetal Growth Restriction by Phase Contrast MR

Joshua F. P. van Amerom1, 2, Christopher W. Roy3, Milan Prsa2, John C. Kingdom4, Christopher K. Macgowan, 23, Mike Seed1, 2

1Labatt Family Heart Centre, Div. of Cardiology, Dept. of Paediatrics, Hospital for Sick Children, Toronto, ON, Canada; 2Dept. of Diagnostic Imaging, Hospital for Sick Children, Toronto, ON, Canada; 3Dept. of Medical Biophysics, University of Toronto, Toronto, ON, Canada; 4Dept. of Obstetrics and Gynaecology, Maternal-Fetal Medicine Div., Mount Sinai Hospital, Toronto, ON, Canada

Redistribution of blood flow in late-onset fetal growth restriction was assessed in utero using phase contrast MR, and compared with Doppler. MR flows showed increased cerebral blood flow, in keeping with the concept of brain sparing physiology.