A comparison of velocity waveforms of the uterine artery obtained by pulsed doppler and a computerized continuous wave Doppler in non-pregnant patients

I. Wolman

Research output: Contribution to journalArticlepeer-review

Abstract

Objective: The study was undertaken to assess whether impedance to blood flow in the uterine arteries can be measured effectively by continuous wave (CW) Doppler compared with pulsed Doppler (PD). Methods: In a prospective double blind study, the resistance index (RI) was measured transvaginally in the uterine artery of 31 non-pregnant women in the first week post-menstruation, 30 min apart, by two different observers with two different instruments (PD and CW). The difference between the measurements was calculated and the waveforms compared. Results: There was no statistical difference in the mean RI values measured in both techniques. The waveforms recorded by the two instruments were identical. Conclusions: The uterine artery can be identified and the impedance to blood flow can be effectively measured in non-pregnant patients by CW Doppler.

Original languageEnglish
Pages (from-to)168-170
Number of pages3
JournalJournal of Maternal-Fetal Investigation
Volume6
Issue number3
StatePublished - 1996
Externally publishedYes

Keywords

  • Continuous wave Doppler
  • Non-pregnant patients
  • Pulsed-wave Doppler
  • Uterine arteries

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