Journal of Atherosclerosis and Thrombosis
Online ISSN : 1880-3873
Print ISSN : 1340-3478
ISSN-L : 1340-3478
Original Article
Fibrinogen Promotes Early Atherosclerotic Changes of the Carotid Artery in Young, Healthy Adults
Mathias T GrebeBrigitte LuuDaniel SeddingMartin Clemens HeidtBettina Kemkes-MatthesChristian Alexander SchaeferHarald H TillmannsDursun Gündüz
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JOURNAL OPEN ACCESS

2010 Volume 17 Issue 10 Pages 1003-1008

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Abstract

Aim: To determine whether high plasma levels or activities of different hemostatic proteins contribute to the development of early atherosclerotic vessel wall changes. Elevated levels of various hemostatic proteins and markers of inflammation have been linked to an increased risk of ischemic cardiovascular events; however, the mechanisms by which these molecules might contribute to this increased risk is not clear.
Methods: The intima-media thickness of the common carotid arteries (CCA-IMT) of 125 healthy young volunteers without known cardiovascular risk factors was measured by high-resolution ultrasound. Plasma concentrations of fibrinogen, thrombomodulin, protein Z and CRP were quantified, and the plasma activities of protein C, plasminogen and factor VIII were measured. Other established risk factors, such as body mass index (BMI) and plasma levels of cholesterol, triglycerides and homocysteine, were also determined. Furthermore, the carotid arteries were examined for the presence of plaques and stenoses.
Results: Univariate analysis showed a significant negative correlation between CCA-IMT and HDL cholesterol, and positive correlations with age, BMI, LDL cholesterol, triglycerides, homocysteine, fibrinogen and thrombomodulin, but not with total cholesterol, lipoprotein(a) and hsCRP. CCA-IMT was also statistically independent of the activities of protein C, factor VIII and plasminogen. Multivariate analysis revealed a significant correlation of CCA-IMT with age, BMI and fibrinogen.
Conclusion: Our data suggest that fibrinogen levels correlate with early atherosclerotic changes of the carotid artery in a population with very low cardiovascular risk.

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https://creativecommons.org/licenses/by-nc-sa/4.0/deed.ja
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