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Cardiovascular protection by oestrogen--a calcium antagonist effect?
P Collins1, G M Rosano, C Jiang
1Department of Cardiac Medicine, National Heart and Lung Institute, London, UK.
Lancet (London, England)
|May 15, 1993
Summary
Oestrogen replacement therapy may protect postmenopausal women against cardiovascular disease by acting as a long-term calcium channel blocker. This mechanism offers a potential explanation for oestrogen
Area of Science:
- Cardiovascular Science
- Endocrinology
- Pharmacology
Background:
- Premenopausal women exhibit lower cardiovascular disease (CVD) risk compared to men.
- Estrogen replacement therapy (ERT) preserves cardiovascular protection in postmenopausal women.
Purpose of the Study:
- To investigate the potential cardiovascular benefits of estrogen replacement therapy.
- To explore the calcium antagonist effects of estrogen as a mechanism for CVD protection.
Main Methods:
- Experimental evidence was gathered and analyzed.
- The long-term calcium antagonist effects of estrogen were examined.
Main Results:
- Estrogen replacement therapy demonstrates a protective effect against cardiovascular disease in women.
- Experimental data suggest estrogen possesses long-term calcium antagonist properties.
Conclusions:
- Estrogen's calcium antagonist effect is a proposed mechanism for its cardiovascular benefits in postmenopausal women.
- This finding may inform future therapeutic strategies for cardiovascular disease prevention.