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The association between asymptomatic coronary artery disease and CHADS2 and CHA2DS2-VASc scores in patients with stroke

Authors
 M.-J. Cha ; H. S. Lee ; J. H. Heo ; H. S. Nam ; Y. D. Kim 
Citation
 European Journal of Neurology, Vol.20(9) : 1256~1263, 2013 
Journal Title
 European Journal of Neurology 
ISSN
 1351-5101 
Issue Date
2013
Abstract
BACKGROUND AND PURPOSE: CHADS2 and CHA2 DS2 -VASc scores are measurement tools that stratify thromboembolic risk in patients with non-valvular atrial fibrillation, and are predictive of cerebral atherosclerosis, fatal stroke and ischaemic heart disease. Patients with higher CHADS2 and CHA2 DS2 -VASc scores are more likely to have had an akinetic/hypokinetic left ventricular segment or a recent myocardial infarction, all of which are associated with coronary artery disease (CAD). Most of the CHADS2 score components are also risk factors for atherosclerosis. Thus, CHADS2 and CHA2 DS2 -VASc scores may be predictive of CAD. METHODS: In all, 1733 consecutive patients with acute ischaemic stroke who underwent multi-slice computed tomography coronary angiography were enrolled. The association of CHADS2 and CHA2 DS2 -VASc scores with the presence and severity of CAD was investigated. RESULTS: Of the 1733 patients, 1220 patients (70.4%) had any degree of CAD and 576 (33.3%) had significant CAD (≥ 50% stenosis in at least one coronary artery). As the CHADS2 and CHA2 DS2 -VASc scores increased, the presence of CAD also increased (P < 0.001). The severity of CAD was correlated with CHADS2 score (Spearman coefficient 0.229, P < 0.001) and CHA2 DS2 -VASc score (Spearman coefficient 0.261, P < 0.001). In multivariate analysis, after adjusting for confounding factors, CHADS2 and CHA2 DS2 -VASc scores ≥2 were independently associated with CAD. The CHA2 DS2 -VASc score was a better predictor of the presence of CAD than the CHADS2 score on area under the curve analysis. CONCLUSION: CHADS2 and CHA2 DS2 -VASc scores were predictive of the presence and severity of CAD in patients with stroke. When a patient has high CHADS2 or CHA2 DS2 -VASc scores, physicians should consider coronary artery evaluation.
URI
http://ir.ymlib.yonsei.ac.kr/handle/22282913/87964
DOI
10.1111/ene.12158
Appears in Collections:
1. 연구논문 > 1. College of Medicine > Dept. of Neurology
1. 연구논문 > 1. College of Medicine > Yonsei Biomedical Research Center
Yonsei Authors
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Link
 http://onlinelibrary.wiley.com/doi/10.1111/ene.12158/abstract
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