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- Title
ISUOG Practice Guidelines (updated): use of Doppler velocimetry in obstetrics.
- Authors
Bhide, A.; Acharya, G.; Baschat, A.; Bilardo, C. M.; Brezinka, C.; Cafici, D.; Ebbing, C.; Hernandez‐Andrade, E.; Kalache, K.; Kingdom, J.; Kiserud, T.; Kumar, S.; Lee, W.; Lees, C.; Leung, K. Y.; Malinger, G.; Mari, G.; Prefumo, F.; Sepulveda, W.; Trudinger, B.
- Abstract
The greatest body of scientific evidence has been accumulated for the simple ratio of the MCA-PI divided by the umbilical artery PI (i.e. the CPR), and the second most commonly utilized ratio is its inverse, i.e. the umbilical artery PI divided by the MCA-PI (umbilicocerebral ratio (UCR)). Second- and third-trimester uterine artery evaluation (Figure 2) GLO:F0Y/01aug21:uog23698-fig-0002.jpg PHOTO (COLOR): 2 Waveforms from uterine artery obtained transabdominally in second trimester. First-trimester uterine artery evaluation (Figure 1) GLO:F0Y/01aug21:uog23698-fig-0001.jpg PHOTO (COLOR): 1 Waveform from uterine artery obtained transabdominally in first trimester. gl 1. In Doppler waveforms showing dynamic changes in the systolic or diastolic components (i.e. in case of uterine artery waveform with presence of notching, or reversed EDV in umbilical artery waveform), PI gives a better estimate of the characteristics of the waveform than do RI or S/D ratio.
- Subjects
DOPPLER velocimetry; INTERNAL carotid artery; FETAL anoxia; COLOR Doppler ultrasonography; SMALL for gestational age; OBSTETRICS
- Publication
Ultrasound in Obstetrics & Gynecology, 2021, Vol 58, Issue 2, p331
- ISSN
0960-7692
- Publication type
journal article
- DOI
10.1002/uog.23698