Takayasu arteritis
Conditions
Interventions
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: The patient meets the 2022 American College of Rheumatology classification criteria for large artery vasculitis. Specific criteria are as follows: (The patient can be diagnosed with large artery vasculitis if the necessary conditions are met and the total classification score is >=5 points.) Necessary condition: Age at onset = 20 mmHg between both upper limbs, 1 point. (2) Other imaging criteria: 1) Number of affected arteries: 1, 2, or >=3 (choose one), scoring 1, 2, or 3 points respectively; 2) Symmetric involvement of paired arteries, 1 point; 3) Involvement of the abdominal aorta with renal or mesenteric involvement, 3 points.
Exclusion criteria
Exclusion criteria: 1. TA does not involve the carotid arteries. 2. Contraindications to contrast-enhanced ultrasound, such as allergy to ultrasound contrast agents. 3. Failure to establish peripheral venous access. 4. Suboptimal image quality on CEUS, making data analysis unfeasible.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| CEUS enhancement grade;URM Density;URM Location Velocity;Perfusion Index; | — |
Countries
China
Contacts
The First Hospital of China Medical University