Focused, Low Tube Potential, Coronary Calcium Assessment Prior to Coronary CT Angiography: A Prospective, Randomized Clinical Trial

TOC Summary: To guide acquisition parameters, coronary calcium scanning is often performed prior to coronary CTA. A novel, modified calcium scan (with reduced radiation exposure) was compared to the standard Agatston method in a randomized clinical trial involving patients clinically referred for coronary CTA. A low-kVp, modified calcium scan focused on the proximal-to-mid coronary arteries similarly influenced final acquisition parameters of coronary CTA without negatively influencing overall image quality. Additionally, coronary CTA scan parameters are often modified following calcium assessment.
Source: Journal of Cardiovascular Computed Tomography - Category: Radiology Authors: Tags: Research paper Source Type: research