Korean Circulation Journal

  • 제40권9호
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  • Pages.434-441
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  • 2010
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  • 1738-5520(pISSN)
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  • 1738-5555(eISSN)
대한심장학회 (The Korean Society of Cardiology)
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Subclinical Coronary Artery Disease as Detected by Coronary Computed Tomography Angiography in an Asymptomatic Population

  • Lee, Sah-Min (Department of Internal Medicine, Seoul National University College of Medicine) ;
  • Choi, Eue-Keun (Department of Internal Medicine, Seoul National University College of Medicine) ;
  • Chang, Hyuk-Jae (Division of Cardiology, Cardiovascular Center Seoul National University Bundang Hospital) ;
  • Kim, Chi-Hoon (Department of Internal Medicine, Seoul National University College of Medicine) ;
  • Seo, Won-Woo (Department of Internal Medicine, Seoul National University College of Medicine) ;
  • Park, Jin-Joo (Department of Internal Medicine, Seoul National University College of Medicine) ;
  • Choi, Sang-Il (Division of Radiology, Cardiovascular Center Seoul National University Bundang Hospital) ;
  • Chun, Eun-Ju (Division of Radiology, Cardiovascular Center Seoul National University Bundang Hospital) ;
  • Chang, Sung-A (Department of Internal Medicine, Seoul National University College of Medicine) ;
  • Kim, Hyung-Kwan (Department of Internal Medicine, Seoul National University College of Medicine) ;
  • Kim, Yong-Jin (Department of Internal Medicine, Seoul National University College of Medicine) ;
  • Koo, Bon-Kwon (Department of Internal Medicine, Seoul National University College of Medicine) ;
  • Choi, Dong-Joo (Division of Cardiology, Cardiovascular Center Seoul National University Bundang Hospital) ;
  • Oh, Byung-Hee (Department of Internal Medicine, Seoul National University College of Medicine)
  • 투고 : 2009.11.10
  • 심사 : 2010.03.30
  • 발행 : 2010.09.30
⟨ 이전 논문 다음 논문 ⟩

초록

Background and Objectives: Primary prevention of coronary artery disease (CAD) has become a public health issue, according to increasing awareness of the substantial risks posed by asymptomatic atherosclerosis. The aims of this study were to determine the prevalence and characteristics of subclinical CAD using coronary computed tomography angiography (CCTA), and to evaluate the role of this advanced technology in identifying subclinical CAD in asymptomatic Korean individuals, compared with conventional risk stratification. Subjects and Methods: We enrolled 4,320 consecutive asymptomatic individuals (61% males, aged 50${\pm}$9 years), who underwent 64-slice CCTA during a routine health check. Results: Coronary artery plaques were present in 1,053 (24%) individuals. Significant stenosis (diameter stenosis ${\geq}$50%) was identified in 139 (3%) subjects, and most of the significant lesions (87%) were located in the left anterior descending artery. CCTA revealed noncalcified plaques in 5% of subjects with a coronary calcium score of zero (n=801). Although 25% (n=10) of those with noncalcified plaque had significant stenosis, most of them (90%) were classified into low- or moderate-risk groups according to National Cholesterol Education Program risk stratification guidelines. In a young population (age ${\leq}$55 years for males, ${\leq}$65 years for females), 30% of subjects with significant stenosis were classified into a low-risk group and 60% had low (0 to 100) calcium scores. Conclusion: Subclinical CAD in asymptomatic individuals cannot be ignored for its considerable prevalence, CCTA may be helpful in identifying at-risk subclinical CAD in a noninvasive manner, especially in the young and traditionally lowrisk population.

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참고문헌

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피인용 문헌

  1. Coronary Heart Disease in Young Adults vol.14, pp.2, 2010, https://doi.org/10.1007/s11883-012-0226-3
  2. Impact of serum calcium and phosphate on coronary atherosclerosis detected by cardiac computed tomography vol.33, pp.22, 2012, https://doi.org/10.1093/eurheartj/ehs152
  3. Comparison of Coronary Plaque and Stenosis Between Coronary Computed Tomography Angiography and Virtual Histology-Intravascular Ultrasound in Asymptomatic Patients with Risk Factors for Coronary Arter vol.3, pp.2, 2014, https://doi.org/10.12997/jla.2014.3.2.79
  4. Coronary artery calcium scores and cardiovascular risk factors in 31,545 asymptomatic Korean adults vol.32, pp.1, 2010, https://doi.org/10.1007/s10554-016-0892-2