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KMID : 0364020100430050482
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Korean Journal of Thoracic and Cardiovascular Surgery
2010 Volume.43 No. 5 p.482 ~ p.489
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The Clinical Value of Intima-media Thickness in Patients with Stable Coronary Artery Disease and C-reactive Protein within Normal Limits
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Kwon Jong-Bum
Park Kuhn
Choi Si-Young
Park Chan-Beom
Kim Yong-Hwan
Her Sung-Ho
Park Mahn-Won
Lee Jong-Ho
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Abstract
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Background:The purpose of this study was to determine whether hand-measured carotid intima-media thickness (IMT) was a reliable and simple tool that could be used to evaluate the severity of stable coronary artery disease (CAD) with normal high-sensitivity C-reactive protein (CRP).
Methods:We examined left carotid IMTs in 688 patients with stable CAD and excluded 121 patients with abnormally elevated hs-CRP (≥0.5 mg/dL). We sought to determine the association between risk factors and the severity of stable CAD and carotid IMT in 567 patients who were divided into lower and higher groups based on the median value. Patients underwent a coronary artery angiogram and had at least significant stenosis (＞50% of the original luminal diameter involving one or more major coronary artery).
Results:Of the 567 patients, 300 (52.9%) were in the lower IMT group and 267 (47.1%) were in the higher IMT group; the median value was 0.76 mm. By multivariable logistic regression analysis, the following groups were different: older age (∼49 vs. 70∼ years, respectively; OR=6.552), high FBS (∼99 vs. 120∼ mg/dL; OR=1.713) and severity of CAD (1 vessel vs. 2 vessel disease; OR=1.711, 1 vessel vs. 3 vessel disease; OR=1.714).
Conclusions:We conclude that there are correlations between increased carotid IMT and severity of CAD in stable angina patients with normal CRP levels.
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KEYWORD
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Carotid arteries, Atherosclerosis, Coronary artery disease, C-reactive protein
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