Journal
INTERNATIONAL JOURNAL OF CARDIOLOGY
Volume 167, Issue 5, Pages 1929-1935Publisher
ELSEVIER IRELAND LTD
DOI: 10.1016/j.ijcard.2012.05.034
Keywords
Aldosterone; Atherosclerosis; Coronary artery disease; Risk factors; Mortality
Categories
Funding
- Utrecht, The Netherlands
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Background and aims: Plasma aldosterone has been associated with all-cause and cardiovascular mortality in high-risk cardiovascular populations, including patients with heart failure, myocardial infarction and high-risk coronary artery disease (CAD) patients. In the present study, we evaluated the association of plasma aldosterone levels with vascular events in a large prospective cohort of stable CAD patients recruited in an outpatient setting. Moreover, we investigated the relationship between aldosterone and atherosclerotic burden. Methods and results: Baseline plasma aldosterone levels were measured in 2699 subjects with CAD (mean age 60 +/- 10 years, 82% male). During a median follow-up of 4.7 years, 308 (11%) patients died, of which 203 were from a vascular cause. Vascular endpoints of myocardial infarction, ischemic stroke or vascular death occurred in 355 (13%) patients. Multivariable Cox regression analysis was performed, adjusting for multiple confounders. Aldosterone (median 96 pg/mL, interquartile range 70-138 pg/mL, normal range 58-362 pg/mL) was independently associated with major vascular events (hazard ratio (HR) 1.56, 95% confidence interval (CI) 1.13-2.15) and vascular mortality (HR 1.95, 95% CI 1.27-3.00). By multivariable regression analysis, aldosterone was also associated with the presence of atherosclerosis in additional vascular territories (cerebrovascular disease and/or peripheral artery disease) (p=0.026). Conclusions: In patients with stable coronary artery disease, plasma aldosterone is independently associated with the risk of major vascular events and vascular mortality and with atherosclerotic burden. (C) 2012 Elsevier Ireland Ltd. All rights reserved.
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