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Multidetector Computed Tomography for the Evaluation of Coronary Artery Disease; The Diagnostic Accuracy in Calcified Coronary Arteries, Comparing with IVUS Imaging

 Jong Kwan Park  ;  Jong Youn Kim  ;  Hyuck Moon Kwon  ;  Tae Hoon Kim  ;  Seung-Jin Oh  ;  Bum-Kee Hong  ;  Young Won Yoon  ;  Pil-Ki Min  ;  Sung Woo Kwon  ;  Byoung Kwon Lee 
 Yonsei Medical Journal, Vol.55(3) : 599-605, 2014 
Journal Title
 Yonsei Medical Journal 
Issue Date
PURPOSE: Contrast enhanced multidetector computed tomography (MDCT) has been used as an alternative to coronary angiography for the assessment of coronary artery disease in the patient of the intermediate risk group. However, coronary calcium is a known limiting factor for MDCT evaluation. We investigated the diagnostic accuracy of 64-channel MDCT with each coronary artery calcium score (CACS) by compared with intravascular ultrasound (IVUS) imaging. MATERIALS AND METHODS: A total of 54 symptomatic patients with intermediate-risk (10 females, mean age 59.9±6.9 years, Framingham point scores 9-20) with 162 sites who had a culprit lesion on 64-channel MDCT before performing coronary angiography with IVUS were enrolled. Patients were divided into 4 subgroups depending on CACS: 0, 1-99, 100-399, and >400. Lesion length, external elastic membrane (EEM) cross sectional area (CSA), minimal luminal area, and plaque area were measured and compared between IVUS and MDCT. RESULTS: The correlation coefficients for the measurements of the EEM CSA, lumen CSA, and plaque area were r=0.514, r=0.837, and r=0.578, respectively. Furthermore, there were close correlation of plaque area between four subgroups of CACS (r=0.671, r=0.623, r=0.562, r=0.571, respectively). CONCLUSION: Despite the increase in CACS, the geometric analysis of coronary arteries using with 64-channel MDCT was comparable with IVUS in symptomatic patient of the intermediate risk group.
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1. College of Medicine (의과대학) > Dept. of Radiology (영상의학교실) > 1. Journal Papers
1. College of Medicine (의과대학) > Dept. of Internal Medicine (내과학교실) > 1. Journal Papers
Yonsei Authors
권성우(Kwon, Sung Woo)
권혁문(Kwon, Hyuck Moon) ORCID logo https://orcid.org/0000-0001-9901-5015
김종윤(Kim, Jong Youn) ORCID logo https://orcid.org/0000-0001-7040-8771
김태훈(Kim, Tae Hoon) ORCID logo https://orcid.org/0000-0003-3598-2529
민필기(Min, Pil Ki) ORCID logo https://orcid.org/0000-0001-7033-7651
윤영원(Yoon, Young Won) ORCID logo https://orcid.org/0000-0002-0907-0350
이병권(Lee, Byoung Kwon) ORCID logo https://orcid.org/0000-0001-9259-2776
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