Beneficial Effect of Preinfarction Angina on In-Hospital Outcome is Preserved in Elderly Patients Undergoing Coronary Intervention for Anterior Acute Myocardial Infarction

Background Preinfarction angina improves survival after acute myocardial infarction (AMI) in nonelderly but not elderly patients in the thrombolytic era. However, it remains unclear whether preinfarction angina has a beneficial effect on clinical outcome in elderly patients undergoing percutaneous coronary intervention (PCI). Methods and Results The study group comprised 484 anterior AMI patients who were admitted within 24 h of onset and underwent emergency PCI. Patients were divided into 2 groups: those aged