A Clinical Cohort Registry Study on Primary PCI for Acute Myocardial Infarction at Zhongshan Hospital

Inclusion Criteria: * Elevated or decreasing levels of cardiac troponin T, with at least one measurement exceeding 0.014 ng/mL; * Presence of at least one of the following: symptoms of myocardial ischemia; newly onset ischemic changes on ECG; pathological Q wave; imaging evidence of new loss of viable myocardium or regional wall motion abnormalities consistent with ischemia; coronary angiography confirming the presence of a thrombus; * Undergoing primary PCI; * Voluntary informed consent to participate in the study. Exclusion Criteria: * Inability to complete emergent PCI (e.g., due to intraoperative complications or inability to tolerate the procedure). * Prior administration of thrombolytic therapy before PCI. * Diagnosis of type 2 or type 3 myocardial infarction.