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Effect of hormone replacement therapy on left ventricular hypertrophy
1Department of Geriatrics, Prince of Wales Hospital, and the Menopause Centre, University of New South Wales, Sydney, Australia.
The American Journal of Cardiology
|April 6, 1999
Summary
Hormone replacement therapy (HRT) may reduce cardiovascular risks in postmenopausal women. This study found significantly lower left ventricular mass in elderly women on long-term HRT compared to controls.
Area of Science:
- Cardiovascular Science
- Endocrinology
- Gerontology
Background:
- Cardiovascular disease is a leading cause of mortality in postmenopausal women.
- Hormone replacement therapy (HRT) is associated with reduced cardiovascular morbidity and mortality, but mechanisms are unclear.
- Estrogen deficiency post-menopause contributes to cardiovascular changes.
Purpose of the Study:
- To investigate the impact of long-term hormone replacement therapy (HRT) on cardiac structure in postmenopausal women.
- To determine if HRT influences left ventricular mass, a marker of cardiovascular risk.
- To explore potential mechanisms linking HRT to cardiovascular benefits.
Main Methods:
- A case-control study design was employed.
- Elderly women receiving HRT for over 10 years were compared to age-matched controls without HRT.
- Left ventricular mass was assessed as a primary outcome measure.
Main Results:
- A statistically significant reduction in left ventricular mass was observed in the HRT group compared to controls.
- This finding suggests a potential protective effect of long-term HRT on cardiac remodeling.
- The results indicate a possible mechanism for HRT's cardiovascular benefits.
Conclusions:
- Long-term hormone replacement therapy is associated with reduced left ventricular mass in postmenopausal women.
- This structural change may contribute to the observed decrease in cardiovascular morbidity and mortality.
- Further research is warranted to elucidate the precise mechanisms and clinical implications.