PMID: 8991899Jan 1, 1996Paper

Evaluation of the cardiovascular impact of hormonal replacement therapy in menopausal women

Journal de gynécologie, obstétrique et biologie de la reproduction
U J Gaspard

Abstract

Cardiovascular diseases (CVD) are a major cause of female mortality. The occurrence of menopause and estrogen deficiency is a well defined risk factor for CVD. Both retrospective and prospective epidemiological studies indicate that estrogen as well as estrogen-progestin hormone replacement therapy is associated with a reduced incidence of mortality and morbidity due to myocardial infarction or (probably) to stroke by about 50% without any obvious change in venous thromboembolism, when compared to absence of hormone use. A favorable effect of estrogens on the lipid profile could explain about 1/3 of this reduction of risk. Among other potential non-lipid effects of estrogens associated with a positive cardiovascular action, an improvement of insulin secretion together with a decrease in insulin resistance have been noted, this effect being however less obvious if the progestin used has androgenic properties. An improvement of the coagulation-fibrinolysis balance is plausible under treatment, as well as direct action of estrogen on the arterial wall (alteration of both endothelium-dependent and endothelium-independent factors such as a calcium-antagonist effect), leading to an improvement of arterial flow at the coronary, cerebr...Continue Reading

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