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01.12.2014 | Research article | Ausgabe 1/2014 Open Access

BMC Cardiovascular Disorders 1/2014

A cross-sectional analysis of the relationship between uric acid and coronary atherosclerosis in patients with suspected coronary artery disease in China

Zeitschrift:
BMC Cardiovascular Disorders > Ausgabe 1/2014
Autoren:
Yujiao Sun, Xin Yu, Ying Zhi, Song Geng, Hua Li, Ting Liu, Ke Xu, Ling Chen, Chunwei Wu, Guoxian Qi
Wichtige Hinweise

Electronic supplementary material

The online version of this article (doi:10.​1186/​1471-2261-14-101) contains supplementary material, which is available to authorized users.

Competing interests

The authors declare that they have no competing interest.

Authors’ contribution

SYJ participated in the design of the study, collected and organized datas, analysed images, performed the statistical analysis and drafted the manuscript. YX collected, organized and analysed datas. ZY, GS and LH collected and organized datas. LT and XK analysed images. CL and WCW collected datas. QGX conceived of the study, and participated in its design and coordination and helped to draft the manuscript. All authors read and approved the final manuscript.

Abstract

Background

Although many studies have examined the relationship between uric acid (UA) and coronary artery disease (CAD), whether UA is an independent risk factor contributing to progression of CAD is still controversial. Whether UA plays a different role in different sexes is also unclear.

Methods

A total of 1116 individuals with suspected CAD were stratified into four groups according to their serum UA quartiles in total (men and women combined), in men, and in women. The association of UA with coronary atherosclerosis was assessed by univariable and multivariable logistic regression.

Results

In total and in women, the prevalence of any plaques and significant/severe stenosis was significantly increased with an increase in quartiles of UA (all P < 0.05). The proportion of triple-vessel disease and left main artery lesion was highest in the fourth quartile (both p < 0.05). Increasing quartiles of UA were significantly associated with a coronary artery calcium score (CACS) >10 (all P < 0.01). As UA levels increased in women, the incidence of double-vessel lesions (p = 0.017) and the proportion of mixed plaques (p = 0.022) were significantly increased. The proportion of a CACS of 0 in total, in men and women was highest in the first quartile (all P < 0.01). UA was the strongest predictor of significant stenosis, multivessel disease, and mixed plaques in women (all p < 0.05). UA was the only risk factor for mixed plaques in total (P = 0.046).

Conclusion

The level of UA was significantly associated with coronary atherosclerosis in women, but not men.
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