Efficacy and Safety of Ultrasound Modulation of Stellate Ganglion for the Prevention of Ventricular Arrhythmia in Patients With ST-segment Elevation Myocardial Infarction

Inclusion Criteria: 1. Age between 18 and 80 years (including 18 and 80 years); gender is not restricted; 2. Agree to be randomly assigned to a treatment strategy and be able to undergo follow-up as required; 3. Patients with a clinical diagnosis of acute ST-segment elevation myocardial infarction; 4. Presented within 12 hours of symptom onset and underwent PCI; 5. Killip functional class I-III; 6. Agree to participate in this study and voluntarily sign the informed consent form. Exclusion Criteria: 1. Patients with a history of myocardial infarction; 2. Patients with a history of cardiac pacemaker or implantable cardioverter-defibrillator (ICD) implantation; 3. Patients with severe bradycardia or high-degree atrioventricular block; 4. Patients with severe heart failure (left ventricular ejection fraction \<30%); 5. Patients with cardiogenic shock (Killip Class IV); 6. Patients admitted with frequent ventricular fibrillation or cardiac arrest; 7. Patients with a history of malignant hematological disorders or renal failure (estimated eGFR \<30 ml/min); 8. Patients with skin lesions, infections, or benign or malignant tumors in the left neck; 9. Pregnant or breastfeeding women, or women planning to become pregnant during the study; 10. Patients with severe cognitive impairment, psychiatric disorders, epilepsy, etc.; 11. Patients with concurrent malignant tumors or diseases of vital organs; 12. Patients with active systemic infections; 13. Patients who have participated in other drug or medical device clinical trials within the past 3 months; 14. Patients who are unable or unwilling to provide informed consent; 15. Patients deemed unsuitable for participation in this clinical trial by the investigator.