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The radiation dose from coronary CT angiography can be almost cut in half without reducing the diagnostic value of the images, researchers in Innsbruck have shown.
Patients whose profile suggests a less than 50% risk of having CAD are good candidates for coronary CT angiography, according to a decision tree based on cost-effectiveness and radiation dose developed by researchers at Jefferson University.
CT angiography helps risk-stratify men under 55 and women under 65 with chest pain but adds little information to the risk profile of older patients, a secondary study from ROMICAT shows.
