Clinical Research Directory

Inclusion Criteria: 1. Age ≥18 years old, gender unlimited; 2. Based on clinical and imaging evidence, the investigators identified patients with symptomatic vertebral atherosclerotic stenosis who met the indications for the placement of drug-eluting vertebral artery stents; 3. Patients or their guardians sign informed consent. Exclusion Criteria: 1. Severe coagulation dysfunction, serious uncontrolled infection, serious systemic disease, uncontrolled hypertension, etc., are not suitable for surgery; 2. Patients with aneurysms that cannot be treated in advance or at the same time or are not suitable for surgery; 3. Myocardial infarction or large-scale cerebral infarction occurred within 2 weeks; 4. Combined with atrial fibrillation, or accompanied by serious heart, liver, kidney and lung diseases; 5. Interventional or surgical procedures are planned within 90 days; 6. Known contraindications to heparin, rapamycin, anesthesia and contrast agents; 7. Life expectancy is less than 12 months; 8. The researcher considers it inappropriate to participate in this study.