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Detection and significance of calcified coronary arteries by computed tomography Eiji Tamiya 1 , Seiryo Sugiura 1 , Yuji Murakawa 1 , Yoshiyuki Hada 1 , Senbun Fukuda 2 , Yoshihiro Murota 2 , Takeshi Ando 2 , Toshimichi Otsuka 2 , Ken-ich Asano 2 1Division of Cardiology, JR Tokyo General Hospital 2Division of Thoracic Surgery, JR Tokyo General Hospital pp.185-188
Published Date 1989/2/15
DOI https://doi.org/10.11477/mf.1404205424
  • Abstract
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To investigate whether coronary artery disease is detected noninvasively, we correlated calcification on computed tomography (CT) with coronary angio-graphic (CAG) findings in 90 consecutive patients including 48 with angina pectoris or myocardial in-farction. The mean age was 52.2 years and 83% were men. CT scans without contrast enhancement (3 sec scan time) were obtained at 1cm thickness from the ascending aorta to cardiac apex to identify calcification in coronary arteries.

Results ; CAG revealed of 50 patients, and stenosis was present more often at calcified vessels on CT.

LAD RCA LCX

Sensitivity 83% 83% 52%

Specificity 88% 92% 100%

Predictive value 89% 86% 100%

Calcification occurred more often in 2 or 3 vessel disease. However, stenotic segments were not al-ways calcified.

We conclude that CT is sensitive for the detection of calcification and an important method for the diagnosis of coronary artery disease.


Copyright © 1989, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1200 印刷版ISSN 0452-3458 医学書院

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