4.6 Article

Increased atherothrombotic markers and endothelial dysfunction in steroid users

Journal

EUROPEAN JOURNAL OF PREVENTIVE CARDIOLOGY
Volume 20, Issue 2, Pages 195-201

Publisher

OXFORD UNIV PRESS
DOI: 10.1177/2047487312437062

Keywords

Athletes; doping; C-reactive protein; flow-mediated dilation

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Background: The use of androgenic anabolic steroids (AAS) may be associated with changes in atherothrombotic markers and endothelial function. The purpose of this study was to compare atherothrombotic markers and endothelial function of AAS users and non-users. Design: Cross-sectional study. Methods: Ten athletes who were users of AAS (confirmed by urine analysis) and 12 non-user athletes were evaluated. Body weight, blood pressure, exercise load (hours/week), complete blood count (CBC), platelets, fibrinogen, lipids, high-sensitivity C-reactive protein (hs-CRP), follicle-stimulating hormone, testosterone and estradiol were measured. Endothelium-dependent and independent functions were assessed by brachial artery ultrasound. Results: AAS users had higher body mass and blood pressure (p < 0.05). Platelet count was higher whereas HDL-cholesterol was lower in AAS users compared with non-users (p < 0.05). Levels of hs-CRP were higher in AAS users (p < 0.001). Follicle-stimulating hormone was suppressed in all users and not suppressed in non-users (p < 0.001). Compared with non-users, flow-mediated dilation was significantly reduced in AAS users (p = 0.03), whereas endothelium-independent function was similar in both groups. Additionally, flow-mediated dilation was positively associated with levels of HDL-cholesterol (r = 0.49, p = 0.03). Conclusions: AAS users present important changes in blood lipids as well as in inflammatory markers, which are compatible with increased cardiovascular risk. Furthermore, this profile is accompanied by a reduction in the endothelial function.

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