Abstract #1548
Comparison of uterine artery pulsatility and resistivity indices using magnetic resonance imaging and Doppler ultrasound
Rebecca Hawkes 1 , Andrew Patterson 2 , Andrew Priest 2 , Martin J Graves 2 , Nicholas Hilliard 2 , Patricia Set 1 , and David Lomas 1
1
Radiology, Addenbrooke's Hospital,
Cambridge, Cambridgeshire, United Kingdom,
2
Radiology,
Addenbrooke's Hospital, Cambridge, Cambridge, United
Kingdom
There is limited research regarding placental blood flow
using MRI. The aim of this study was to evaluate whether
uterine arteries could be identified on MRI, if a RI and
PI could be measured and whether these were comparable
with Doppler ultrasound. Using magnitude and phase MR
images, likely uterine arteries were identified. Results
demonstrated that uterine arteries can be identified on
MR with a relatively small bias but with only moderate
correlation for the PI/RI. MR phase contrast techniques
allow for absolute flow quantification and the
possibility of obtaining total uterine blood flow using
this approach.
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