ASIR cuts dose by 27% in coronary CT angiography
A low-dose coronary CT angiography (CTA) technique known as adaptive statistical iterative reconstruction (ASIR) can reduce the radiation dose associated with coronary CTA by 27%, according to a study published online August 20 in the American Journal of Roentgenology.
The proprietary iterative reconstruction method, which got its initial clinical testing in body imaging, was also a stellar performer in coronary CTA that substantially reduced radiation doses in a large patient without any degradation in signal, noise, or signal-to-noise ratio, according to researchers who scanned patients at two Canadian centers and one U.S. center.
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