Effect of labetalol infusion on uterine and fetal hemodynamics and fetal cardiac function

Pentti Jouppila, Juha Räsänen

Research output: Contribution to journalArticle

12 Scopus citations

Abstract

The effect of intravenously-administered labetalol (1 mg/kg) on uterine and fetal hemodynamics and fetal cardiac function was studied in 13 women with pregnancy-induced hypertension. Maternal mean blood pressure had decreased significantly by the end of the labetalol infusion and 30 min later. The pulsatility indices reflecting peripheral vascular resistance did not change in the main uterine, placental arcuate, umbilical, and fetal middle cerebral and renal arteries. nor did the parameters reflecting fetal cardiac function. A subgroup of seven patients with a more pronounced decrease in maternal blood pressure and three cases with original signs of fetal asphyxia did not react hemodynamically in a different manner from the group as a whole with respect to the circulatory effects of labetalol. These findings obtained by Doppler and colour Doppler methods in as comprehensive manner as possible seem to demonstrate a wide tolerance of maternal and fetal hemodynamics to the moderate decrease in maternal blood pressure achieved by labetalol infusion under short-term conditions in cases of pregnancy-induced hypertension.

Original languageEnglish (US)
Pages (from-to)111-117
Number of pages7
JournalEuropean Journal of Obstetrics and Gynecology and Reproductive Biology
Volume51
Issue number2
DOIs
StatePublished - Oct 15 1993

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Keywords

  • Doppler flow velocimetry
  • Labetalol
  • Pregnancy-induced hypertension

ASJC Scopus subject areas

  • Reproductive Medicine
  • Obstetrics and Gynecology

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