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Effect of methyldopa and isradipine on fetal heart rate pattern assessed by computerized cardiotocography in human pregnancy

Wide-Swensson, Dag LU ; Montan, S ; Arulkumaran, S ; Ingemarsson, Ingemar LU and Ratnam, S S (1993) In American Journal of Obstetrics and Gynecology 169(6). p.1581-1585
Abstract
OBJECTIVE: The effects of two antihypertensive drugs, methyldopa and isradipine, on fetal heart rate pattern were analyzed by computerized cardiotocography. STUDY DESIGN: The first part of the study was a prospective, randomized, controlled trial of 19 women with preeclampsia in the third trimester given 2.5 mg of oral slow-release isradipine twice a day or 250 mg of methyldopa three times a day. In a second part of the study 23 women with preeclampsia in the third trimester given 5 mg of oral slow-release isradipine twice a day were compared with 23 matched controls without medication. Main outcome measures were maternal blood pressure and mean baseline fetal heart rate, fetal movements, number of accelerations, periods of high and low... (More)
OBJECTIVE: The effects of two antihypertensive drugs, methyldopa and isradipine, on fetal heart rate pattern were analyzed by computerized cardiotocography. STUDY DESIGN: The first part of the study was a prospective, randomized, controlled trial of 19 women with preeclampsia in the third trimester given 2.5 mg of oral slow-release isradipine twice a day or 250 mg of methyldopa three times a day. In a second part of the study 23 women with preeclampsia in the third trimester given 5 mg of oral slow-release isradipine twice a day were compared with 23 matched controls without medication. Main outcome measures were maternal blood pressure and mean baseline fetal heart rate, fetal movements, number of accelerations, periods of high and low baseline variability, and mean baseline heart rate variability. RESULTS: Compared with the pretreatment value, the mean arterial blood pressure decreased significantly in all drug treatment groups. Fetal heart rate characteristics were not significantly changed during drug treatment or bed rest. CONCLUSION: The various features of the fetal heart rate pattern evaluated by computerized methods were not influenced by treatment with methyldopa or isradipine. (Less)
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author
; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
American Journal of Obstetrics and Gynecology
volume
169
issue
6
pages
1581 - 1585
publisher
Elsevier
external identifiers
  • pmid:8267066
  • scopus:0027131882
ISSN
1097-6868
language
English
LU publication?
yes
id
e2240e06-1833-4bd0-acb6-e806981cdf61 (old id 1107597)
date added to LUP
2016-04-01 12:22:36
date last changed
2021-01-03 04:50:00
@article{e2240e06-1833-4bd0-acb6-e806981cdf61,
  abstract     = {{OBJECTIVE: The effects of two antihypertensive drugs, methyldopa and isradipine, on fetal heart rate pattern were analyzed by computerized cardiotocography. STUDY DESIGN: The first part of the study was a prospective, randomized, controlled trial of 19 women with preeclampsia in the third trimester given 2.5 mg of oral slow-release isradipine twice a day or 250 mg of methyldopa three times a day. In a second part of the study 23 women with preeclampsia in the third trimester given 5 mg of oral slow-release isradipine twice a day were compared with 23 matched controls without medication. Main outcome measures were maternal blood pressure and mean baseline fetal heart rate, fetal movements, number of accelerations, periods of high and low baseline variability, and mean baseline heart rate variability. RESULTS: Compared with the pretreatment value, the mean arterial blood pressure decreased significantly in all drug treatment groups. Fetal heart rate characteristics were not significantly changed during drug treatment or bed rest. CONCLUSION: The various features of the fetal heart rate pattern evaluated by computerized methods were not influenced by treatment with methyldopa or isradipine.}},
  author       = {{Wide-Swensson, Dag and Montan, S and Arulkumaran, S and Ingemarsson, Ingemar and Ratnam, S S}},
  issn         = {{1097-6868}},
  language     = {{eng}},
  number       = {{6}},
  pages        = {{1581--1585}},
  publisher    = {{Elsevier}},
  series       = {{American Journal of Obstetrics and Gynecology}},
  title        = {{Effect of methyldopa and isradipine on fetal heart rate pattern assessed by computerized cardiotocography in human pregnancy}},
  volume       = {{169}},
  year         = {{1993}},
}