RNA as Prognostic Biomarkers in Patients With Acute Coronary Syndrome

Inclusion Criteria: 1. Age \>18 years 2. Patients with ACS (first episode), defined according to the guidelines of the European Society of Cardiology (ESC) 2017 3. Indication for percutaneous revascularization treatment 4. Informed consent to study enrollment Exclusion Criteria: 1. Severe valve disease or other conditions requiring cardiac surgery 2. Previous cardiac surgery including coronary artery bypass grafts 3. Total chronic occlusions 4. Patients with known hypersensitivity or contraindication to any of the following drugs: * heparin * aspirin, * clopidogrel, * ticlopidine, * sirolimus, * everolimus. 5. Any contraindication to drug-eluting stent implantation (DES) 6. Patients with a documented history of myocardial infarction; 7. Left ventricular ejection fraction (LVEF) \<30% before PCI 8. Patients in cardiogenic shock 9. Patients with advanced ST-segment elevation myocardial infarction (\> 48 h from onset of symptoms/Q waves on electrocardiogram) or undergoing fibrinolysis; 10. Patients with prior known cardiomyopathy with LVEF \< 40% 11. Patients with malignant neoplasm or systemic disease with quoad vitam prognosis less than 1 year; 12. Patients with known active infectious diseases; 13. Patients who are unable to express valid informed consent to the act of enlistment 14. Pregnant women