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자료유형
학술저널
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아시아심장혈관영상의학회 Cardiovascular Imaging Asia Cardiovascular Imaging Asia Vol.5 No.3
발행연도
2021.1
수록면
100 - 106 (7page)

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Objective: Detection of coronary artery calcification (CAC) in healthy individuals and investigation of this risk factor are useful for preventing heart disease. One aim of this study was to quantify CAC using low-dose chest CT longitudinally performed for lung cancer screening. The other aim was to identify the risk factors related to CAC onset in healthy individuals. Materials and Methods: Here, 203 individuals (mean age, 53 years) who underwent health screening and CT were enrolled. A total of 1108 CT examinations (mean follow-up period, 56 months) was analyzed. CAC (mm3) was defined as a high-density area with a CT value >130 Hounsfield units along coronary arteries. Subjects with a CAC >14 mm3 were defined as CAC onset; the others were defined as non-CAC. Results: CAC onset and non-CAC were observed in 27 (13%) and 176 (87%) subjects, respectively. Age and hemoglobin A1c (HbA1c) were significantly higher and estimated glomerular filtration rate (eGFR) was significantly lower for CAC onset than for non-CAC (57.1±4.3 years vs. 55.0±5.2 years, 6.1%±1.5% vs. 5.6%±0.7%, and 70.6±12.9 mL/min vs. 73.5±11.5 mL/min, respectively). Multivariate logistic regression analysis revealed that CAC onset was significantly related to age [odds ratio (OR), 1.06; 95% confidence interval (CI), 1.03–1.10], male (OR, 1.59; 95% CI, 1.05–2.42), HbA1c level (OR, 1.77; 95% CI, 1.47–2.14), and eGFR (OR, 0.97; 95% CI, 0.95–0.99). Conclusion: CAC occurred in about 10% of healthy middle-aged subjects and is associated with early glucose intolerance and a slight decline in renal function.

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