Padding During CTA Can Lower The Radiation Dose

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Radiation CTAAccording to a study in the American Journal of Roentgenology, reduced or no "padding" during ECG-triggered coronary CT angiography (CTA) results in a substantial reduction in radiation dose without affecting image quality and interpretability.

Troy LaBounty, MD, lead author of the study, said "By reducing or eliminating "padding" we shorten the scanner "on time" and lower the radiation dose."

"Our data show that use of minimal or no padding can result in reduced radiation dose with preserved image interpretability in examinations of patients with excellent heart rate control," LaBounty said.

He added that the radiation exposure associated with coronary CTA have resulted in the development of new techniques to reduce radiation dose.


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