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Endothelial dysfunction, carotid artery plaque burden, and conventional exercise-induced myocardial ischemia as predictors of coronary artery disease prognosis.


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タイトル: Endothelial dysfunction, carotid artery plaque burden, and conventional exercise-induced myocardial ischemia as predictors of coronary artery disease prognosis.
著者: Takase, Bonpei / Matsushima, Yoshihiro / Uehata, Akimi / Ishihara, Masayuki / Kurita, Akira
発行日: 2008年12月16日
出版者: BioMed Central
引用: Cardiovascular Ultrasound, 6, 61; 2008
抄録: BACKGROUND: While both flow-mediated vasodilation (FMD) in the brachial artery (BA), which measures endothelium-dependent vasodilatation, and intima-media thickness (IMT) in the carotid artery are correlated with the prognosis of coronary artery disease (CAD), it is not clear which modality is a better predictor of CAD. Furthermore, it has not been fully determined whether either of these modalities is superior to conventional ST-segment depression on exercise stress electrocardiogram (ECG) as a predictor. Thus, the goal of the present study was to compare the predictive value of FMD, IMT, and stress ECG for CAD prognosis. METHODS AND RESULTS: A total of 103 consecutive patients (62 +/- 9 years old, 79 men) with clinically suspected CAD had FMD and nitroglycerin-induced dilation (NTG-D) in the BA, carotid artery IMT measurement using high-resolution ultrasound, and exercise treadmill testing. The 73 CAD patients and 30 normal coronary patients were followed for 50 +/- 15 months. Fifteen patients had coronary events during this period (1 cardiac death, 2 non-fatal myocardial infarctions, 3 acute heart failures, and 9 unstable anginas). On Kaplan-Meier analysis, only FMD and stress ECG were significant predictors for cardiac events. CONCLUSION: Brachial endothelial function as reflected by FMD and conventional exercise stress testing has comparable prognostic value, whereas carotid artery plaque burden appears to be less powerful for predicting future cardiac events.
URI: http://hdl.handle.net/10069/20917
ISSN: 14767120
DOI: 10.1186/1476-7120-6-61
PubMed ID: 19087351
関連リンク : http://www.cardiovascularultrasound.com/content/6/1/61
権利: © 2008 Takase et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
資料タイプ: Journal Article
原稿種類: publisher
出現コレクション:110 学術雑誌論文

引用URI : http://hdl.handle.net/10069/20917

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