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Assessment of Coronary Artery Calcium Scoring for Statin Treatment Strategy according to ACC/AHA Guidelines in Asymptomatic Korean Adults

 Donghee Han  ;  Bríain Ó Hartaigh  ;  Ji Hyun Lee  ;  Asim Rizvi  ;  Hyo Eun Park  ;  Su-Yeon Choi  ;  Jidong Sung  ;  Hyuk-Jae Chang 
 YONSEI MEDICAL JOURNAL, Vol.58(1) : 82-89, 2017 
Journal Title
Issue Date
Aged ; American Heart Association ; Cardiovascular Diseases/prevention & control* ; Cause of Death ; Confidence Intervals ; Coronary Artery Disease/diagnosis* ; Female ; Humans ; Hydroxymethylglutaryl-CoA Reductase Inhibitors/therapeutic use* ; Male ; Middle Aged ; Numbers Needed To Treat ; Practice Guidelines as Topic ; Regression Analysis ; Republic of Korea ; Risk Assessment ; Risk Factors ; United States ; Vascular Calcification/diagnosis*
Coronary artery disease ; calcium ; hydroxymethylglutaryl-CoA reductase inhibitor ; risk assessment
PURPOSE: The 2013 American College of Cardiology (ACC)/American Heart Association (AHA) cholesterol management guidelines advocate the use of statin treatment for prevention of cardiovascular disease. We aimed to assess the usefulness of coronary artery calcium (CAC) for stratifying potential candidates of statin use among asymptomatic Korean individuals. MATERIALS AND METHODS: A total of 31375 subjects who underwent CAC scoring as part of a general health examination were enrolled in the current study. Statin eligibility was categorized as statin recommended (SR), considered (SC), and not recommended (SN) according to ACC/AHA guidelines. Cox regression analysis was employed to estimate hazard ratios (HR) with 95% confidential intervals (CI) after stratifying the subjects according to CAC scores of 0, 1-100, and >100. Number needed to treat (NNT) to prevent one mortality event during study follow up was calculated for each group. RESULTS: Mean age was 54.4±7.5 years, and 76.3% were male. During a 5-year median follow-up (interquartile range; 3-7), there were 251 (0.8%) deaths from all-causes. A CAC >100 was independently associated with mortality across each statin group after adjusting for cardiac risk factors (e.g., SR: HR, 1.60; 95% CI, 1.07-2.38; SC: HR, 2.98; 95% CI, 1.09-8.13, and SN: HR, 3.14; 95% CI, 1.08-9.17). Notably, patients with CAC >100 displayed a lower NNT in comparison to the absence of CAC or CAC 1-100 in SC and SN groups. CONCLUSION: In Korean asymptomatic individuals, CAC scoring might prove useful for reclassifying patient eligibility for receiving statin therapy based on updated 2013 ACC/AHA guidelines.
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1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
Lee, Jee Hyun(이지현)
Chang, Hyuk-Jae(장혁재) ORCID logo https://orcid.org/0000-0002-6139-7545
Han, Donghee(한동희)
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