Abstract #3644
Comparison of Fetal Blood Flow Measured at 1.5T and 3.0T Using Phase Contrast MR and Metric Optimized Gating: Preliminary Results
Christopher K Macgowan 1 , Beverly Tsai Goodman 2 , Mashael Alrujaib 3 , and Mike Seed 4
1
Departments of Medical Biophysics and
Medical Imaging, Hospital for Sick Children / University
of Toronto, Toronto, Ontario, Canada,
2
Department
of Paediatric Cardiology, Bristol Children's Hospital /
University of Bristol, United Kingdom,
3
Department
of Paediatrics and Division of Cardiology, Hospital for
Sick Children / University of Toronto, Ontario, Canada,
4
Department
of Paediatrics and Division of Cardiology, Hospital for
Sick Children / University of Toronto, Toronto, Ontario,
Canada
Quantification of human fetal blood flow using phase
contrast (PC) MR with metric optimized gating (MOG) has
recently been demonstrated in normal pregnancies and
fetal left-sided congenital heart disease. These studies
were performed at a field strength of 1.5T; however,
there is growing interest in fetal imaging at higher
field strengths to improve SNR. The goal of this pilot
study was to evaluate the agreement between fetal flows
measured at 1.5T and 3.0T, using PC MR with MOG.
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