A Study on the Peripheral Blood in Patients With Acute Coronary Syndrome

Inclusion Criteria

• •For ACS group STEMI
• •cTn\>99th ULN or CK-MB\>99th ULN
• •ST-segment elevation with a convex upward morphology
• •in conjunction with one or more of the following conditions: persistent ischemic chest pain; echocardiographic evidence of abnormal segmental ventricular wall motion; or abnormal coronary angiography findings.
• •NSTEMI
• •cTn\>99th ULN or CK-MB\>99th ULN
• •accompanied by one or more of the following situations: persistent ischemic chest pain; new ST-segment depression or low and inverted T waves; echocardiography showing segmental ventricular wall motion abnormalities; abnormal coronary angiography.
• •UA
• •cTn normal
• •ischemic chest pain with an electrocardiogram showing transient ST-segment depression or flattened and inverted T waves
• •evidence of coronary artery stenosis (e.g., CTA demonstrating ≥ 50% stenosis) For CCS group
• •Clinical Diagnosis Consistent with CCS Categories, meet any one of the following clinical scenarios: Stable Angina Pectoris, Ischemic Cardiomyopathy, Post-ACS Stable Phase, Long-Term CAD Management, Vasospastic or Microvascular Disease, Asymptomatic CAD
• •Laboratory and Imaging Confirmation: Resting ECG without ST-segment elevation or dynamic changes (excluding ACS), cTn normal or stable (no acute myocardial injury), ≥50% luminal stenosis in ≥1 epicardial coronary artery For control group
• •Patients without coronary artery stenosis, valvular heart disease, structural heart disease, or any other kind of cardiomyopathy