alexa Comparison of osteoprotegerin to traditional atherosclerotic risk factors and high-sensitivity C-reactive protein for diagnosis of atherosclerosis.


Biochemistry & Physiology: Open Access

Author(s): Mogelvang R, Pedersen SH, Flyvbjerg A, Bjerre M, Iversen AZ,

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Abstract Atherosclerosis is the main cause of cardiovascular disease, but the extent of atherosclerosis in individual patients is difficult to estimate. A biomarker of the atherosclerotic burden would be very valuable. The aim of the present study was to evaluate the association of plasma osteoprotegerin (OPG) to clinical and subclinical atherosclerotic disease in a large community-based, cross-sectional population study. In the Copenhagen City Heart Study, OPG concentrations were measured in 5,863 men and women. A total of 494 participants had been hospitalized for ischemic heart disease or ischemic stroke, and compared to controls, this group with clinical atherosclerosis had higher mean OPG (1,773 vs 1,337 ng/L, p <0.001) and high-sensitivity C-reactive protein (2.3 vs 1.6 mg/L, p <0.001). In a multivariate model with age, gender, body mass index, hypertension, diabetes, hypercholesterolemia, smoking status, estimated glomerular filtration rate, high-sensitivity C-reactive protein, and OPG, OPG remained significantly associated with clinical atherosclerosis (p <0.01); high-sensitivity C-reactive protein, in contrast, did not (p = 0.74). In the control group without clinical atherosclerosis, OPG was independently associated with hypertension, diabetes, hypercholesterolemia, smoking, and subclinical peripheral atherosclerosis as measured by ankle brachial index. For each doubling of the plasma OPG concentration, the risk for subclinical peripheral atherosclerosis increased by 50\% (p <0.001) after multivariate adjustment. In conclusion, OPG appears to be a promising biomarker of atherosclerosis that is independently associated with traditional risk factors of atherosclerosis, subclinical peripheral atherosclerosis, and clinical atherosclerotic disease such as ischemic heart disease and ischemic stroke. Copyright © 2012 Elsevier Inc. All rights reserved. This article was published in Am J Cardiol and referenced in Biochemistry & Physiology: Open Access

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