ative Coronary Calcium CT as a Planning Tool for CT Coronary Angiography - Effect on Radiation Dose and Image Quality with Different Acquisition Techniques.
Recruiting
- Conditions
- coronary artery disease
- Registration Number
- DRKS00025244
- Lead Sponsor
- niversitätsklinikum Freiburg
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Recruiting
- Sex
- All
- Target Recruitment
- 400
Inclusion Criteria
Patients who underwent a computed tomography examination using native calcium CT and contrast-enhanced CT coronary angiography for the exclusion of coronary heart disease between 01/2017 and 12/2020.
Exclusion Criteria
Patients with a known coronary heart disease
Patients with a history of cardiothoracic surgery/intervention
Patients who did not undergo native calcium CT
Patients who did not undergo contrast-enhanced CT coronary angiography
Study & Design
- Study Type
- observational
- Study Design
- Not specified
- Primary Outcome Measures
Name Time Method Radiation dose reduction with virtual scan length reduction.
- Secondary Outcome Measures
Name Time Method Radiation dose reduction in subgroups defined by BMI, pre-test probability, acquisition technique, and tube voltage.