Stress MPI with rubidium-82 PET provided accurate risk stratification of men and women with coronary artery disease in a new study. A total of 6,037 individuals underwent Rb-82 PET imaging, and findings revealed that percentage of abnormal stress myocardium predicts CAD mortality for both sexes, according to the study published in the Journal of the American College of Cardiology. PET offers "an improved safety profile with an estimated effective radiation exposure dose of [approximately] 3 mSv with Rb-82, which may proffer a significant advantage in the evaluation of women with suspected myocardial ischemia," researchers wrote.

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