Optimization Strategy of Carotid Artery Stenosis
Cohort of Optimized Assessment Strategy of Carotid Artery Stenosis
Peking Union Medical College Hospital
1,000 participants
Jan 1, 2015
OBSERVATIONAL
Conditions
Summary
The goal of this observational study is to learn about how to utilize multiple evaluation techniques in carotid artery stenosis patients for optimizing assessment of diagnosis and treatment strategy. The main questions it aims to answer are: * Identify best strategy that use multi-modal MRI and CT to assess patients' cerebral lesions and perfusion. * Identify best strategy that use multi-modal MRI, PET-MRI ultrasound and CT to assess components and characters of patients' carotid plaques. Participants will accept imaging examination before and after surgery. And doctors will collect basic characteristics, imaging results and biological samples of patients for analysis.
Eligibility
Inclusion Criteria2
- patients with severe stenosis (≥50%) or near-occlusion diagnosed by computed tomographic angiogram;
- patients received carotid endarterectomy at Peking Union Medical College Hospital
Exclusion Criteria1
- (1) Any contraindication to image examination; (3) refuse to sign the Informed consent.
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Interventions
All patients received carotid revascularization surgery at Peking Union Medical College Hospital.
Multi-modal MRI before and after surgery.
CTA before and after surgery.
PET/MRI before surgery.
Ultrasound before and after surgery.
Locations(1)
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NCT05629000