CAC burden tied to cardiovascular risk in diabetics: Study
USA: A recent study in the Journal of Diabetes and its Complications has shown coronary artery calcium (CAC) burden to be associated with atherosclerotic cardiovascular disease (ASCVD) risk in diabetes patients.
"CAC scoring reduces ASCVD risk and increases statin prescriptions in diabetes patients, potentially warranting routine assessment in this population," Sadeer Al-Kindi, Department of Medicine, University Hospitals Cleveland Medical Center, Cleveland, OH, USA, and colleagues wrote in their study.
In patients with diabetes, CAC scoring is not routinely performed based on an existing class I indication for statin therapy in these patients. However, in asymptomatic individuals with prediabetes and diabetes, CAC scoring may improve risk classification and prediction of cardiovascular events beyond the risk scores, warranting CAC assessment in this population.
The researchers conducted a prospective observational study in a large health system offering no-charge CAC scoring for primary prevention risk prediction with available measurement of glycosylated hemoglobin (HbA1c) between June 2015 and March 2019. The patients were divided according to no diabetes (HbA1c <5.7 %), prediabetes (HbA1c 5.7 %–6.4 %), or diabetes (HbA1c ≥ 6.5 % or charted history). They were then followed for major adverse cardiovascular events [myocardial infarction, stroke, death (MACE), or coronary revascularization]. Measurement of health history, patient characteristics, statin prescription rates, and laboratory data was done at baseline and at one year following CAC scoring.
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