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Lipid profile and incidence of atrial fibrillation: A prospective cohort study in China.


ABSTRACT:

Background

The association between dyslipidemia, a major risk factor for cardiovascular diseases, and atrial fibrillation (AF) is not clear because of limited evidence.

Hypothesis

Dyslipidemia may be associated with increased risk of AF in a Chinese population.

Methods

A total of 88 785 participants free from AF at baseline (2006-2007) were identified from the Kailuan Study. Fasting levels of total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein cholesterol (HDL-C), and triglycerides (TG) were measured at baseline using standard procedures. The study population was stratified based on quartiles of lipid profile. Incident AF was ascertained from electrocardiograms at biennial follow-up visits (2008-2015). The associations between incident AF and the different lipid parameters (TC, LDL-C, HDL-C, and TG) were assessed by Cox proportional hazards regression analysis.

Results

Over a mean follow-up period of 7.12?years, 328 subjects developed AF. Higher TC (hazard ratio [HR]: 0.60, 95% confidence interval [CI]: 0.43-0.84) and LDL-C (HR: 0.60, 95% CI: 0.43-0.83) levels were inversely associated with incident AF after multivariable adjustment. HDL-C and TG levels showed no association with newly developed AF. The results remained consistent after exclusion of individuals with myocardial infarction or cerebral infarction, or those on lipid-lowering therapy. Both TC/HDL-C and LDL-C/HDL-C ratios were inversely associated with risk of AF (per unit increment, HR: 0.88, 95% CI: 0.79-0.98 and HR: 0.77, 95% CI: 0.66-0.91, respectively).

Conclusions

TC and LDL-C levels were inversely associated with incident AF, whereas no significant association of AF with HDL-C or TG levels was observed.

SUBMITTER: Li X 

PROVIDER: S-EPMC6490045 | biostudies-literature | 2018 Mar

REPOSITORIES: biostudies-literature

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Publications

Lipid profile and incidence of atrial fibrillation: A prospective cohort study in China.

Li Xintao X   Gao Lianjun L   Wang Zhao Z   Guan Bo B   Guan Xumin X   Wang Binhao B   Han Xu X   Xiao Xianjie X   Waleed Khalid Bin KB   Chandran Clarance C   Wu Shouling S   Xia Yunlong Y  

Clinical cardiology 20180325 3


<h4>Background</h4>The association between dyslipidemia, a major risk factor for cardiovascular diseases, and atrial fibrillation (AF) is not clear because of limited evidence.<h4>Hypothesis</h4>Dyslipidemia may be associated with increased risk of AF in a Chinese population.<h4>Methods</h4>A total of 88 785 participants free from AF at baseline (2006-2007) were identified from the Kailuan Study. Fasting levels of total cholesterol (TC), low-density lipoprotein cholesterol (LDL-C), high-density  ...[more]

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