Aromatase inhibitors and tamoxifen are used to treat post-menopausal breast cancer.
We studied the myocardial infarction risk of aromatase inhibitors and tamoxifen.
This was an observational cohort study in the Canadian province of Ontario.
Measured baseline differences were adjusted using propensity score-based methods.
Aromatase inhibitors were associated with a higher risk of myocardial infarction.