Ischemic Stroke,Transient Ischemic Attack
Conditions
Interventions
Observation group:N/A
Sponsors
The Second Qilu Hospital of Shandong University
Eligibility
Sex/Gender
All
Age
40 Years to No maximum
Inclusion criteria
Inclusion criteria: 1. Patients with carotid artery plaques who underwent spectral CTA examination; 2. Age greater than 40 years; 3. Good image quality with comprehensive spectral data, suitable for subsequent quantitative analysis; 4. Availability of relatively complete clinical data (e.g., blood lipids, blood glucose, homocysteine, etc.); 5.Able to understand the purpose of the study, voluntarily participate in the study, and sign the informed consent form.
Exclusion criteria
Exclusion criteria: 1. History of carotid endarterectomy or stent implantation; 2. Internal carotid artery occlusion; 3. Incomplete clinical data; 4. Systemic inflammatory diseases.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Effective atomic number;Lodine concentration;Slope of the spectral curve(k);Electron Density;Mono energy(40 70 90keV);Virtual non-contrast ;Maximum plaque thickness;Maximum plaque thickness of the non-calcified portion;Plaque length;Degree of carotid artery stenosis; | — |
Countries
China
Contacts
Public ContactHai Zhong
The Second Qilu Hospital of Shandong University
Outcome results
None listed