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The chronobiology of blood pressure in pregnancy

Suzanne Pears1, Angela Makris2, Annemarie Hennessy3

  • 1Royal Prince Alfred Hospital, Australia; University of Sydney, Australia; Heart Research Institute, Australia.

Pregnancy Hypertension
|April 21, 2018
PubMed

Insights

This review highlights the importance of blood pressure rhythms in pregnancy, especially with preeclampsia. Understanding these daily variations is crucial for improving outcomes and managing long-term hypertension risk.

Area of Science:

  • Reproductive medicine
  • Cardiovascular physiology
  • Chronobiology

Background:

  • Hypertension in pregnancy, particularly preeclampsia, is a significant health concern.
  • Current treatment guidelines for pregnancy hypertension focus on absolute blood pressure values.
  • The daily rhythms (chronobiology) of blood pressure are not adequately considered in current clinical practice.

Purpose of the Study:

  • To review the existing literature on the chronobiology of blood pressure during pregnancy.
  • To emphasize the specific relevance of blood pressure rhythms in preeclampsia.
  • To highlight the potential impact of these rhythms on pregnancy outcomes and maternal health.

Main Methods:

  • Comprehensive literature review of studies on blood pressure variability in pregnancy.
  • Analysis of research focusing on the chronobiology of hypertension in preeclampsia.
  • Synthesis of findings regarding the clinical implications of diurnal blood pressure variations.

Main Results:

  • Blood pressure exhibits distinct daily patterns in pregnant individuals.
  • These patterns are altered in the presence of preeclampsia.
  • Ignoring these rhythms may lead to suboptimal treatment and risk assessment.

Conclusions:

  • The chronobiology of blood pressure is a critical factor in managing hypertension during pregnancy.
  • Incorporating the analysis of nighttime and daytime readings can refine treatment strategies.
  • Further research into blood pressure rhythms may improve prediction of pregnancy complications and long-term cardiovascular risk.

Keywords:
Blood pressureChronobiologyCircadianHypertensive disorders pregnancyPreeclampsiaPregnancy

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