The Inverse Association of Elevated Serum Bilirubin Levels with Subclinical Carotid Atherosclerosis

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Abstract

Background

Serum bilirubin is negatively associated with the development of coronary heart disease. In the present study, we have focused on the analysis of intima-media thickness (IMT) of the common carotid artery in hyper- and normobilirubinemic subjects.

Methods

The study was performed on 111 men without manifested atherosclerosis. In all subjects, complete biochemical tests were determined along with the examination of IMT by carotid ultrasound.

Results

The mean IMT in hyperbilirubinemic subjects as compared with controls was substantially lower (p = 0.017), and hyperbilirubinemic men also had very low age-adjusted prevalence odds ratios for having IMT above the 50th percentiles of controls, even after adjustment for selected vascular risk factors (p = 0.034).

Conclusions

In the present study, we demonstrate the inverse relationship between serum bilirubin and IMT in healthy men.

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