Comparison of continuous-wave and pulsed Doppler S/D ratios of umbilical and uterine arteries.

Abstract:

:Continuous-wave and pulsed Doppler ultrasound measurements of blood flow velocity waveforms of both uterine and umbilical arteries were performed on 85 patients to assess the correlation between these two measurements techniques. Peak systolic to end-diastolic (S/D) ratios measured by continuous-wave devices were not statistically different (P greater than .05) from those measured by a pulsed Doppler device. The S/D ratios of the umbilical artery measured by each device showed a strong correlation, whether measured by one observer (r = 0.93) or two observers (r = 0.89). Uterine artery ratios showed a weaker, although still significant, correlation (r = 0.57). Pulsed Doppler is not routinely necessary for the identification and measurement of umbilical and uterine artery S/D ratios.

journal_name

Obstet Gynecol

authors

Mehalek KE,Berkowitz GS,Chitkara U,Rosenberg J,Berkowitz RL

subject

Has Abstract

pub_date

1988-10-01 00:00:00

pages

603-6

issue

4

eissn

0029-7844

issn

1873-233X

journal_volume

72

pub_type

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