All patients were pre-treated with oral Aspirin (300-500 mg) and Clopidogrel (300-600 mg) and 10,000 IU of unfractionated heparin given IV as a single-dose according to national guidelines for STEMI patients referred for pPCI. Patients were discharged with life-long Aspirin in a dose of 75 mg/day and Clopidogrel for 12 months in a dose of 75 mg/day.