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Published on: August 13, 2019
Lessons from hormone replacement therapy trials for primary prevention of cardiovascular disease
Bhavna Mohandas1, Jawahar L Mehta
1Division of Cardiovascular Medicine, Department of Medicine, University of Arkansas for Medical Sciences, Little Rock, Arkansas, USA.
Insights
Hormone replacement therapy is not recommended for preventing heart disease in postmenopausal women. A heart-healthy diet remains crucial for cardiovascular health, despite recent trials not showing significant reductions in coronary heart disease incidence.
Area of Science:
- Cardiovascular Medicine
- Endocrinology
- Women's Health
Background:
- Coronary heart disease (CHD) is a major health concern for postmenopausal women.
- Estrogen and progesterone were previously thought to offer cardioprotection.
- Recent large-scale studies challenge the protective role of hormone replacement therapy (HRT).
Purpose of the Study:
- To review major studies on HRT for primary prevention of CHD in women.
- To evaluate the validity of current recommendations against HRT.
- To analyze the role of dietary modification and identify CHD predictors in women.
Main Methods:
- Comprehensive review of major clinical studies and observational data.
- Analysis of findings from the Women's Health Initiative (WHI) and Heart and Estrogen/Progestin Replacement Study (HERS).
- Examination of dietary intervention trials and cardiovascular disease risk factors.
Main Results:
- Major studies like WHI and HERS found no significant reduction in CHD events with HRT.
- Dietary modification interventions within WHI also did not show a significant decrease in CHD incidence.
- Key predictors of cardiovascular disease in women were identified from prior research.
Conclusions:
- HRT is generally not recommended for primary prevention of CHD in postmenopausal women.
- While dietary modification trials showed no significant CHD reduction, a heart-healthy diet is still advised.
- Understanding CHD risk factors remains critical for women's cardiovascular health.
Purpose Of Review:
Coronary heart disease in women is a common cause of morbidity and mortality, particularly after menopause. It was thought that estrogen and progesterone protected women from coronary heart disease. The recommendations of the recent Women's Health Initiative, however, are that hormone replacement therapy should not be used for primary prevention of coronary heart disease in women. Here, we have made a comprehensive review of major studies and comment on the validity of this recommendation. We have also analyzed the importance of dietary modification in primary prevention. In addition, we have delineated the important predictors of cardiovascular disease in women from prior observational and clinical studies.
Recent Findings:
Recent major studies, including the Women's Health Initiative (WHI) and Heart and Estrogen/Progestin Replacement Study (HERS), studied the role of hormone replacement therapy in protecting women from coronary heart disease. These studies showed no significant reduction in coronary heart disease events. In addition, the dietary modification component of the Women's Health Initiative did not show any significant reduction in the incidence of coronary heart disease.
Summary:
It can be summarized that hormone replacement is not generally recommended in postmenopausal women for primary prevention of coronary heart disease. Although the dietary modification trials did not show any significant reduction in the incidence of coronary heart disease, it is currently recommended to continue using a heart-healthy diet.
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