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Meaning of zero coronary calcium score in symptomatic patients referred for coronary computed tomographic angiography.

Authors
 Young Jin Kim ; Jin Hur ; Byoung Wook Choi ; Ji Won Lee ; Hee Young Kim ; Yoo Jin Hong ; Ji Eun Nam ; Hyuk-Jae Chang ; Hye-Jeong Lee 
Citation
 European Heart Journal-Cardiovascular Imaging, Vol.13(9) : 776~785, 2012 
Journal Title
 European Heart Journal-Cardiovascular Imaging 
ISSN
 2047-2404 
Issue Date
2012
Abstract
AIMS: The clinical implication of a zero coronary calcium score (CCS) in patients with chest pain syndrome has been under debate. This study was undertaken to determine the meaning of a CCS of zero in a large sample of symptomatic patients referred for coronary computed tomographic (CT) angiography. METHODS AND RESULTS: We consecutively enrolled 2088 patients (age 58 ± 10 years, 1028 men) who had undergone 64-slice cardiac CT due to chest pain syndrome. A CCS of zero was detected in 1114 patients (471 men and 643 women). Of these 1114 patients, obstructive coronary artery disease (CAD) was found in a total of 48 patients (4.3%); 35 men (7.4%) and 13 women (2.0%). Among the zero CCS patients with obstructive CAD, men had a higher prevalence of both premature CAD (49 vs. 0%) and multivessel disease (20 vs. 8%) than women. During the follow-up period (1033 ± 136 days), early revascularization was done in 25 patients (2.2%, 18 men and 7 women) and there were 14 major adverse cardiac events (1.3%, 8 men and 7 women) among the zero CCS patients. CAD severity was a strong prognostic indicator in the zero CCS patients. CONCLUSION: A CCS of zero cannot be used by itself to exclude obstructive CAD in symptomatic patients referred for coronary CT angiography (CCTA). The prevalence of obstructive CAD and adverse cardiac events are not negligible in symptomatic patients with a CCS of zero, and CAD severity by CCTA is associated with higher rates of adverse cardiac event.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/90185
DOI
10.1093/ehjci/jes060
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Internal Medicine
1. 연구논문 > 1. College of Medicine > Dept. of Radiology
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Link
 http://ehjcimaging.oxfordjournals.org/content/13/9/776.full
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