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Improved iron status parameters may be a benefit of hormone replacement therapy

S Penckofer1, D Schwertz

  • 1Department of Medical-Surgical Nursing, School of Nursing, Loyola University Medical Center, Maywood, Illinois 60153, USA.

Journal of Women'S Health & Gender-Based Medicine
|April 4, 2000
PubMed

Insights

Hormone replacement therapy (HRT) improves cardiovascular health in postmenopausal women by enhancing iron status. HRT is linked to better iron-binding capacity and lower ferritin levels, potentially reducing heart disease risk.

Area of Science:

  • Endocrinology
  • Cardiovascular Medicine
  • Nutritional Biochemistry

Background:

  • Hormone replacement therapy (HRT) is associated with reduced cardiovascular disease risk.
  • Improved iron status parameters may mediate HRT's cardioprotective effects.
  • High serum ferritin and low iron-binding capacity are linked to increased cardiovascular events.

Purpose of the Study:

  • To investigate the impact of oral HRT on iron status parameters in postmenopausal women.
  • To compare iron status, estradiol, and lipid profiles between women on HRT and those not on HRT.

Main Methods:

  • A comparative study involving 54 postmenopausal women (27 on HRT, 27 not on HRT).
  • Serum levels of estradiol, lipids (total, LDL, HDL cholesterol), iron, total iron-binding capacity, and ferritin were measured at baseline and after 1 year.
  • Statistical analysis compared parameters between the two groups, controlling for age, BMI, and physical activity.

Main Results:

  • Women on HRT exhibited significantly higher estradiol levels (p < 0.001) and improved lipid profiles (p < 0.001).
  • HRT users demonstrated significantly better iron status parameters (p = 0.002).
  • Specifically, women on HRT had greater total iron-binding capacity and lower serum ferritin levels compared to the non-HRT group.

Conclusions:

  • Oral HRT in postmenopausal women is associated with favorable changes in estradiol, lipid profiles, and iron status.
  • Improved iron status, characterized by higher iron-binding capacity and lower ferritin, may contribute to the cardiovascular benefits of HRT.
  • Further research is warranted to elucidate the relationship between HRT-induced iron status changes and reduced cardiovascular risk in this population.

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