Alterations in the baroreflex occur late in pregnancy in conscious rabbits

R. R. Quesnell, V. L. Brooks

Research output: Contribution to journalArticlepeer-review

25 Scopus citations

Abstract

Experiments were performed in conscious rabbits to investigate when during pregnancy cardiac baroreceptor reflex gain decreases. A decrease in gain was first observed after 3 weeks of gestation (-34.1 ± 4.9 to-15.7 ± 3.1 beats/min/mm Hg, p < 0.05) and became more pronounced after 4 weeks (- 30.2 ± 4.7 to-8.6 ± 2.9 beats/min/mm Hg, p < 0.05). These results indicate that the attenuation of baroreflex function does not become fully manifest until late in pregnancy.

Original languageEnglish (US)
Pages (from-to)692-694
Number of pages3
JournalAmerican journal of obstetrics and gynecology
Volume176
Issue number3
DOIs
StatePublished - 1997

Keywords

  • Blood pressure
  • baroreceptors
  • heart rate

ASJC Scopus subject areas

  • Obstetrics and Gynecology

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