Abstract
Measuring the incremental gains achieved by advances in technologic proficiency is a critical step in understanding and evaluating the benefits of new medical technologies.1 Coronary computed tomography (CT) is a more expensive, accurate,2 and quantitative technique3 than cardiac fluoroscopy for identifying coronary artery calcium. A principle application of methods to detect coronary calcium is in the assessment of coronary heart disease prognosis. Although available data suggest that the prognostic accuracy of coronary CT and fluoroscopy may differ,4,5 there has been no formal comparison of the 2 techniques. Thus, this analysis compares the accuracy of coronary fluoroscopy and CT imaging for coronary heart disease outcomes in a screening cohort that underwent both tests in the South Bay Heart Watch Study.
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