Association Between Timeliness of Reperfusion Therapy and Clinical Outcomes in ST-Elevation Myocardial Infarction

Among patients in Quebec with STEMI, reperfusion delivered outside guideline-recommend delays was associated with significantly increased 30-day mortality, a statistically nonsignificant increase in 1-year mortality, and significantly increased risk of the composite of mortality or readmission for acute myocardial infarction or heart failure at 1 year.