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J Cardiol. 2013 Feb;61(2):122-7. doi: 10.1016/j.jjcc.2012.09.004. Epub 2012 Oct 22.

Serum uric acid as an independent predictor of mortality in high-risk patients with obstructive coronary artery disease: a prospective observational cohort study from the ET-CHD registry, 1997-2003.

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  • 1Department of Public Health, Tzu-Chi University, Hualien, Taiwan; Department of Medicine, Hualien Armed Forces General Hospital, Hualien, Taiwan. farmer507@yahoo.com.tw

Abstract

BACKGROUND:

Serum uric acid (SUA) has been observed to be highly associated with the development of cardiovascular disease for more than 50 years. Several studies have reported elevated SUA as an independent predictor of mortality in patients with coronary artery disease (CAD) after adjustment for classic risk factors but some studies did not find similar results.

METHODS:

Between January 1997 and December 2003, a prospective cohort study was performed in 1054 patients with angiographically defined CAD, and their classic risk factors and SUA levels were determined at enrollment. The study cohort was followed for an average of 3.2 years, with a median of 3.1 years. The main outcome measure was death from cardiac disease and any cause.

RESULTS:

Of all study patients, 789 (74.9%) were men and 265 (25.1%) were women. The mean age of the male and female patients was 64.8 and 66.9 years, respectively. The mean SUA level of all patients was 410.4 μmol/L. There were grading effects of SUA quartiles on cardiac and all-cause mortality in univariate and multivariate Cox regression analyses. After adjustment, the multivariate analyses revealed that patients in the highest SUA quartile (>487 μmol/L) had 2.08 (95% CI=1.19-3.62, p=0.01) fold increased risk of cardiac death, and 1.68 (95% CI=1.10-2.57, p=0.017) fold increase risk of overall mortality compared with the lowest quartile (<315 μmol/L).

CONCLUSIONS:

SUA may be a significant predictor of cardiac and overall mortality, independent of classic risk factors in high-risk patients with obstructive CAD.

Copyright © 2012 Japanese College of Cardiology. Published by Elsevier Ltd. All rights reserved.

PMID:
23088935
[PubMed - indexed for MEDLINE]
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