Coronary Plaque Monitoring using Coronary CT Angiography: Variability of CT Scanners and Observers
Not Applicable
- Conditions
- Coronary artery stenosis
- Registration Number
- JPRN-UMIN000034030
- Lead Sponsor
- Iwate Medical University
- Brief Summary
A
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Complete: follow-up complete
- Sex
- All
- Target Recruitment
- 23
Inclusion Criteria
Not provided
Exclusion Criteria
1. Age of <20 or >=85 yrs. 2. Need for early revascularization 3. History of coronary stent or bypass 4. Agatston score >1000 5. Renal dysfunction (eGFR <45 mg/dl/1.73m2) 6. Estimated radiation exposure of 15 mSv or more within 1 yr. at the time of registration. 7. Contraindication for iodine contrast medium 8. Suspected pregnancy
Study & Design
- Study Type
- Observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method The primary endpoints of this study are, 1. The sample size required by coronary CT angiography to show a clinical change with 90% power and an a error of .05. based on intraclass correlation coefficients. 2. Variability and agreement of CT findings of vulnerable plaque.
- Secondary Outcome Measures
Name Time Method The secondary endpoints of this study are, 1. Radiation dose for coronary CTA. 2. Reproducibility of coronary calcium score 3. Reproducibility of diameter stenosis 4. Reproducibility of wall volume 5. Reproducibility of lumen volume