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Related Experiment Videos

Rheological importance of acute-phase reactants.

J Stuart

    Nouvelle Revue Francaise D'Hematologie
    |January 1, 1986
    PubMed
    Summary

    Elevated fibrinogen levels, a key acute-phase reactant, contribute to blood hyperviscosity and predict poor outcomes in vascular diseases like stroke and coronary artery disease.

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    Area of Science:

    • Cardiovascular Science
    • Hematology
    • Immunology

    Background:

    • Acute vascular events and chronic atherosclerotic vascular disease correlate with increased levels of acute-phase reactants.
    • Fibrinogen, an acute-phase reactant, significantly impacts blood rheology.
    • Hyperfibrinogenemia leads to plasma and whole blood hyperviscosity, a negative prognostic indicator.

    Purpose of the Study:

    • To highlight the rheological significance of fibrinogen in vascular disease.
    • To explore the role of fibrinogen degradation products in activating the monocyte-macrophage system.
    • To investigate the pathogenic importance of fibrinogen in vascular disease stress responses.

    Main Methods:

    • Review of existing literature on fibrinogen and vascular disease.
    • Analysis of rheological properties associated with hyperfibrinogenemia.
    • Examination of the inflammatory pathways involving fibrinogen degradation products, interleukin-1, and the monocyte-macrophage system.

    Main Results:

    • Hyperfibrinogenemia is a significant adverse prognostic factor in conditions such as intermittent claudication, coronary artery disease, and stroke.
    • Fibrinogen's role in increasing plasma and whole blood viscosity is of considerable rheological importance.
    • Activation of the monocyte-macrophage system by fibrinogen degradation products may play a role in disease pathogenesis.

    Conclusions:

    • Fibrinogen is a critical rheological factor in vascular disease.
    • The inflammatory cascade initiated by fibrinogen degradation products contributes to the pathophysiology of vascular stress responses.
    • Managing fibrinogen levels may be crucial for improving outcomes in patients with vascular conditions.

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