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. 2014 Aug 16:14:101.
doi: 10.1186/1471-2261-14-101.

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

Yujiao Sun, Xin Yu, Ying Zhi, Song Geng, Hua Li, Ting Liu, Ke Xu, Ling Chen, Chunwei Wu, Guoxian Qi  1
Affiliations

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

Yujiao Sun et al. BMC Cardiovasc Disord. .

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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Figures

Figure 1
Figure 1
The path of patients enrollment.
Figure 2
Figure 2
Showed the representative view of mixed, non-calcified plaque.
Figure 3
Figure 3
Relationship with anyplaque (A), significant stenosis (B) and severe stenosis (C), single vessel lesion (D), double vessel lesion (E) and triple vessel/left main artery lesion (F) across quartile of serum uric acid levels across quartile of serum uric acid levels.
Figure 4
Figure 4
Prevalence of coronary artery calcium score = 0 across quartile of serum uric acid levels (A), prevalence of coronary artery calcium score >10 across quartile of serum uric acid levels (B).
Figure 5
Figure 5
Relationship with (A) calcified, noncalcified (B) and mixed (C) across quartile of serum uric acid levels.
See this image and copyright information in PMC

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