Inclusion criteria | |
• 18 years old ≤ age ≤ 80 years old | |
• Clinical diagnosis of acute myocardial infarction (AMI) occurred within 12 ha | |
• Left main coronary artery occlusion—thrombolysis in myocardial infarction (TIMI flow 0, 1, or 2)—confirmed by primary angiography | |
• TIMI flow grade 3 achieved after interventional pretreatment such as thrombus aspiration and balloon dilatation | |
Exclusion criteria | |
• Life expectancy less than 1 yearb | |
• Contraindications to aspirin or other anti-platelet drugs | |
• Patients who are included in other ongoing trials | |
• Pregnant | |
• Patients unable or unwilling to sign the informed consent form |