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. 2008;3(10):e3435.
doi: 10.1371/journal.pone.0003435. Epub 2008 Oct 17.

Carotid artery intima-media thickness, carotid plaque and coronary heart disease and stroke in Chinese

Kuo-Liong Chien  1 , Ta-Chen Su, Jiann-Shing Jeng, Hsiu-Ching Hsu, Wei-Tien Chang, Ming-Fong Chen, Yuan-Teh Lee, Frank B Hu
Affiliations

Carotid artery intima-media thickness, carotid plaque and coronary heart disease and stroke in Chinese

Kuo-Liong Chien et al. PLoS One. 2008.

Abstract

Background: Our aim was to prospectively investigate the association between carotid artery intima-media thickness (IMT) as well as carotid plaque and incidence of coronary heart disease (CHD) and stroke in Chinese, among whom data are limited.

Methods and findings: We conducted a community-based cohort study composed of 2190 participants free of cardiovascular disease at baseline in one community. During a median 10.5-year follow up, we documented 68 new cases of coronary heart disease and 94 cases of stroke. The multivariate relative risks (RRs) associated with a change of 1 standard deviation of maximal common carotid IMT were 1.38 (95% confidence interval [CI], 1.12-1.70) for CHD and 1.47 (95% CI, 1.28-1.69) for stroke. The corresponding RRs with internal carotid IMT were 1.47 (95% CI, 1.21-1.79) for CHD and 1.52 (95% CI, 1.31-1.76) for stroke. Carotid plaque measured by the degree of diameter stenosis was also significantly associated with increased risk of CHD (p for trend<0.0001) and stroke (p for trend<0.0001). However, these associations were largely attenuated when adjusting for IMT measurements.

Conclusions: This prospective study indicates a significant association between carotid IMT and incidence of CHD and stroke in Chinese adults. These measurements may be useful for cardiovascular risk assessment and stratification in Chinese.

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Conflict of interest statement

Competing Interests: The authors have declared that no competing interests exist.

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