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Estrogen and Coronary Heart Disease in Women

Estrogen and Coronary Heart Disease in Women We review herein the evidence that estrogen is protective against the development of cardiovascular disease in women. To our knowledge, no studies in women have looked at endogenous estrogen levels as predictors of cardiovascular disease. Studies of surrogate measures of endogenous estrogen such as parity, age at menarche, and age at menopause have provided inconsistent results. Current use of oral contraceptives increases risk in older women who smoke cigarettes, but most studies of past use show no increased risk. Most, but not all, studies of hormone replacement therapy in postmenopausal women show around a 50% reduction in risk of a coronary event in women using unopposed oral estrogen. These important observations need to be confirmed in a double-blind, randomized clinical trial, since the protection is biologically plausible and the magnitude of the benefit would be quite large if selection factors can be excluded. (JAMA. 1991;265:1861-1867) http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png JAMA American Medical Association

Estrogen and Coronary Heart Disease in Women

Barrett-Connor, Elizabeth; Bush, Trudy L.
JAMA , Volume 265 (14) – Apr 10, 1991
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Publisher
American Medical Association
Copyright
Copyright © 1991 American Medical Association. All Rights Reserved. Applicable FARS/DFARS Restrictions Apply to Government Use.
ISSN
0098-7484
eISSN
1538-3598
DOI
10.1001/jama.1991.03460140089033
Publisher site
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Abstract

We review herein the evidence that estrogen is protective against the development of cardiovascular disease in women. To our knowledge, no studies in women have looked at endogenous estrogen levels as predictors of cardiovascular disease. Studies of surrogate measures of endogenous estrogen such as parity, age at menarche, and age at menopause have provided inconsistent results. Current use of oral contraceptives increases risk in older women who smoke cigarettes, but most studies of past use show no increased risk. Most, but not all, studies of hormone replacement therapy in postmenopausal women show around a 50% reduction in risk of a coronary event in women using unopposed oral estrogen. These important observations need to be confirmed in a double-blind, randomized clinical trial, since the protection is biologically plausible and the magnitude of the benefit would be quite large if selection factors can be excluded. (JAMA. 1991;265:1861-1867)

Journal

JAMA – American Medical Association

Published: Apr 10, 1991

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