Decreasing Mortality With Primary Percutaneous Coronary Intervention in Patients With Acute Myocardial Infarction: The Mayo Clinic Experience From 1991 Through 1997

OBJECTIVE: To characterize and determine the overall impact of changes in primary percutaneous coronary intervention (PCI) on the clinical outcome of patients presenting within 24 hours of acute myocardial infarction (AMI). PATIENTS AND METHODS: We retrospectively analyzed a prospective PCI registry for 1073 consecutive patients undergoing primary PCI for AMI at the Mayo Clinic in Rochester, Minn, from 1991 through 1997. The primary outcome …