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Novel mechanisms responsible for postmenopausal hypertension

Jane F Reckelhoff1, Lourdes A Fortepiani

  • 1Department of Physiology and Biophysics, University of Mississippi Medical Center, 2500 N. State Street, Jackson, MS 39216, USA. jreckelhoff@physiology.umsmed.edu

Hypertension (Dallas, Tex. : 1979)
|March 17, 2004
PubMed

Insights

Postmenopausal hypertension is common, but its causes are unclear. The aging female spontaneously hypertensive rat offers a model to study mechanisms like hormonal changes and the renin-angiotensin system (RAS).

Area of Science:

  • Cardiovascular Physiology
  • Endocrinology
  • Hypertension Research

Background:

  • Postmenopausal women frequently experience elevated blood pressure, a significant risk factor for cardiovascular disease.
  • The precise mechanisms driving this postmenopausal hypertension remain incompletely understood.
  • Potential contributing factors include hormonal shifts, increased endothelin and oxidative stress, renin-angiotensin system (RAS) activation, obesity, type II diabetes, and sympathetic nervous system activity.

Purpose of the Study:

  • To review potential mechanisms underlying postmenopausal hypertension.
  • To discuss the utility of the aging female spontaneously hypertensive rat (SHR) as a model for studying these mechanisms.

Main Methods:

  • Review of existing literature on postmenopausal hypertension.
  • Characterization of the aging female SHR as a relevant animal model.

Main Results:

  • Several humoral systems and physiological changes are implicated in postmenopausal hypertension.
  • The aging female SHR displays characteristics mirroring human postmenopausal hypertension, suggesting its suitability as a research model.

Conclusions:

  • Further research is needed to fully elucidate the mechanisms of postmenopausal hypertension.
  • The aging female SHR provides a valuable platform for investigating therapeutic strategies and understanding the pathophysiology of this condition.

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