Why the study?
Does estrogen or estrogen-progestogen use prevent myocardial infarction in postmenopausal women?
Population
Postmenopausal women hospitalized for incident acute myocardial infarction between 1991 and 1994, and…
Comparison
Current or past use of estrogen or… vs Never used estrogen or estrogen-progestogen
Design
Case-control
Authors
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No myocardial infarction association seen with hormone therapy; leaves open any preventive effect and should not change practice.
Does estrogen or estrogen-progestogen use prevent myocardial infarction in postmenopausal women?
This case-control study found no significant association between hormone replacement therapy and the risk of incident acute myocardial infarction in postmenopausal women.
Stephen Sidney (1997) studied this question.
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