Can J Emerg Med
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Review Meta Analysis
Do beta-blockers reduce short-term mortality following acute myocardial infarction? A systematic review and meta-analysis.
Acute myocardial infarction (AMI) remains a major cause of death and beta-blockers are known to reduce long-term mortality in post-AMI patients. We sought to determine whether patients receiving beta-blockers acutely (within 72 h) following AMI had a lower mortality rate at 6 weeks than patients receiving placebo. ⋯ Acute intervention with beta-blockers does not result in a statistically significant short-term survival benefit following AMI but may be beneficial for low-risk (Killip class I) patients.