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Flow velocity waveforms in uterine and umbilical arteries during the angiotensin II sensitivity test.

Abstract：

:The angiotensin II sensitivity test has been used to predict the development of hypertension during pregnancy. We investigated the systolic/diastolic ratios of flow velocity waveforms in the uterine and umbilical arteries by means of a color Doppler system in 15 healthy women at 24 to 26 weeks' gestation. A significant increase (p less than 0.001) was observed in the systolic/diastolic ratio in the uterine artery, which was unaffected by the location of the placenta. In five women a differential effect of angiotensin II on the systemic diastolic blood pressure and on the systolic/diastolic was observed: the uterine circulation appeared to have a slower response and a faster recovery than the diastolic blood pressure. No changes in the systolic/diastolic ratio in the umbilical artery were observed.

journal_name

Am J Obstet Gynecol

journal_title

American journal of obstetrics and gynecology

authors

Erkkola RU,Pirhonen JP

doi

10.1016/0002-9378(90)90015-y

subject

Has Abstract

pub_date

1990-05-01 00:00:00

pages

1193-7

issue

5

eissn

0002-9378

issn

1097-6868

pii

0002-9378(90)90015-Y

journal_volume

162

pub_type

杂志文章

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