Korean Circ J.  2007 May;37(5):196-201. 10.4070/kcj.2007.37.5.196.

Gender Differences in the Role of Serum Uric Acid for Predicting Cardiovascular Events in Patients with Coronary Artery Disease

Affiliations
  • 1Department of Cardiology, Heart Center, Konyang University Hospital, Daejeon, Korea. jhbae@kyuh.co.kr

Abstract

BACKGROUND AND OBJECTIVES: Serum uric acid has been reported to be an independent risk factor for coronary artery disease (CAD) and a predictor of mortality in patients with CAD. Yet there is gender difference for the serum uric acid levels. We evaluated the influence of the uric acid levels on major adverse cardiovascular events (MACEs) in patients with CAD according to their gender.
SUBJECTS AND METHODS
Of the 777 patients with angiographically proven CAD, 660 patients (378 males, 57.3%) were followed up a median of 18 month (maximum: 61 month). The MACEs included acute myocardial infarction, cerebral infarction, coronary artery bypass graft, percutaneous coronary intervention due to de novo lesion during follow up, new onset congestive heart failure and sudden cardiac death.
RESULTS
MACEs in men were associated with acute coronary syndrome (ACS)(odds ratio (OR): 2.03, 95% confidence intervals (CI): 1.01 to 3.96, p=0.038), multi-vessel disease (OR: 3.68, 95% CI: 1.82 to 7.47, p=0.000) and the serum uric acid levels (OR: 1.23, 95% CI: 1.01 to 1.50, p=0.044), according to multivariate Cox regression analysis. For women, MACEs were associated with multi-vessel disease (OR: 2.43, 95% CI: 1.15 to 5.13, p=0.020) and the highest uric acid quartile (OR: 2.64, 95% CI: 1.31 to 5.30, p=0.006) according to multivariate Cox regression analysis. For all patients, the highest uric acid quartile was associated with an increased risk of MACE (p=0.000), and CHF was the major contributor to the observed MACEs (p=0.004).
CONCLUSION
In male patients with CAD, the serum uric acid level is a predictor of cardiovascular events, and the highest uric acid quartile is a predictor of cardiovascular events in women.

Keyword

Uric acid; Gender; Coronary artery disease
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