Key result
Current smoking was significantly associated with a twofold increased risk of carotid plaque burden (≥2 plaques) in stroke-free individuals at high risk for stroke (OR 2.05).
Cross-Sectional (n=1,009)
Odds Ratio: 2.05 (95% CI 1.19–3.54)
p-value: p=0.010
Traditional risk factors including aging, hypertension, current smoking, and lower HDL-C are significantly associated with subclinical atherosclerosis and plaque burden in high-risk Chinese community residents.
Association supports smoking cessation in high-risk stroke-free adults; leaves open prospective links to incident stroke.
China is going through major change and the incidence of first-ever stroke has increased dramatically. In this study, we aim to determine the ultrasound characteristics of carotid intima-media thickness (CIMT) and carotid plaques (CP) in the Chinese community-based population with high risk of stroke. 1009 stroke-free participants from Datun community were classified at high risk of stroke and included in this cross-sectional study. We performed B-mode carotid ultrasound imaging in all of the study subjects to measure the CIMT in the common carotid artery (CCA) far wall and CP in the CCA, bifurcation and internal carotid artery. Stepwise logistic regression analyses were used to determine factors associated with elevated CIMT and subclinical atherosclerosis, as well as plaque burden (≥2 plaques). Our results showed that traditional risk factors including aging, hypertension, current smoking and the level of high density lipoprotein cholesterol are associated with subclinical atherosclerosis and plaque burden in high-risk community residents. To improve primary prevention in this population, we may consider intense blood pressure and lipid management, and smoking cessation.
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Bian et al. (2018) conducted a cross-sectional in High risk of stroke (n=1,009). Current smoking vs. Non-smokers was evaluated on Carotid plaque burden (≥2 plaques) (OR 2.05, 95% CI 1.19-3.54, p=0.010). Current smoking was significantly associated with a twofold increased risk of carotid plaque burden (≥2 plaques) in stroke-free individuals at high risk for stroke (OR 2.05).
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