Eligibility Module
The Eligibility Module contains detailed information about who can participate in the clinical trial. This includes eligibility criteria, age restrictions, gender requirements, healthy volunteer status, and study population descriptions, helping researchers understand who is eligible to participate in the study.
Eligibility Module path is as follows:
Study -> Protocol Section -> Eligibility Module
Eligibility Module
Ignite Creation Date:
2025-12-25 @ 4:24 AM
Ignite Modification Date:
2025-12-25 @ 4:24 AM
NCT ID:
NCT06947720
Eligibility Criteria:
Inclusion Criteria:
1. Patients diagnosed by carotid ultrasound with severe stenosis of the extracranial segment of the internal carotid artery or severe stenosis of the initial segment of the unilateral vertebral artery;
2. Perform stent placement surgery within 2 weeks of ultrasound examination, and perform DSA and CTA examinations;
3. Age ≥ 18 years old;
4. Clinical data is complete.
Exclusion Criteria:
1. Bilateral temporal windows are not transparent to sound;
2. Patients with severe stenosis of the extracranial segment of the internal carotid artery have ipsilateral MCA occlusion/ipsilateral common carotid artery severe stenosis or occlusion;
3. Patients with severe stenosis of the extracranial segment of the internal carotid artery have severe stenosis of the contralateral carotid artery;
4. Patients with severe stenosis or occlusion of the anterior circulation in the initial segment of unilateral vertebral artery;
5. Severe stenosis or occlusion of bilateral subclavian arteries;
6. Vasospasm caused by subarachnoid hemorrhage, etc;
7. Related MCA or vertebral artery thrombolysis or endovascular treatment;
8. Arrhythmias such as atrial fibrillation or heart failure that affect velocity measurement;
9. CT, MRI, DSA examination contraindications or refusal of examination;
10. Severe bleeding disorders or coagulation dysfunction;
11. Merge serious diseases of other organs or tissues.
Healthy Volunteers:
False
Sex:
ALL
Minimum Age:
18 Years
Study:
NCT06947720
Study Brief:
Protocol Section:
NCT06947720