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Postmenopausal hormone replacement and obesity.

Pearce1, Reboussin, Mayer-Davis

  • 1Department of Internal Medicine, Bowman Gray School of Medicine of Wake Forest University, North Carolina, Winston-Salem, USA

Primary Care Update for Ob/Gyns
|June 6, 2000
PubMed
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Postmenopausal hormone replacement therapy generally improves lipid profiles. However, obese women using combination therapy did not show increased high-density lipoprotein levels compared to nonusers.

Area of Science:

  • Endocrinology
  • Cardiovascular Health
  • Women's Health

Background:

  • Menopause is associated with changes in lipid profiles.
  • Hormone replacement therapy (HRT) is used to manage menopausal symptoms.
  • The impact of HRT on lipid profiles may vary with body mass index (BMI).

Purpose of the Study:

  • To investigate the association between postmenopausal HRT and lipid/lipoprotein levels.
  • To compare these associations in obese versus nonobese women.

Main Methods:

  • Cross-sectional analysis of 4,851 postmenopausal women.
  • Classification based on HRT use: estrogen-only, estrogen-plus-progestin, never users, former users.
  • Categorization of BMI: normal (<27.3 kg/m²), overweight (27.3–32.3 kg/m²), obese (>32.3 kg/m²).

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Main Results:

  • HRT was linked to lower total cholesterol and LDL, and higher triglycerides across all BMI categories.
  • An interaction between HRT and BMI was observed for HDL levels.
  • Obese women on combined estrogen-progestin therapy had HDL levels similar to obese non-HRT users.

Conclusions:

  • Postmenopausal HRT generally shows a favorable lipid profile irrespective of BMI.
  • Combination HRT in obese women did not elevate HDL compared to nonusers.
  • Further research is needed to understand HDL response in obese women on combination HRT.