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Platelets and extracorporeal circulation

V P Addonizio, R W Colman

    Biomaterials
    |January 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Contact with extracorporeal circuits damages platelets, causing bleeding issues. Temporary platelet inhibition may protect platelet function during circuit use.

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    Area of Science:

    • Biomaterials Science
    • Hematology
    • Medical Device Engineering

    Background:

    • Extracorporeal circuits (ECC) cause significant platelet activation and damage.
    • This platelet injury leads to bleeding complications and limits the use of long-term circulatory assist devices.
    • Current strategies to mitigate platelet-surface interactions have limitations.

    Purpose of the Study:

    • To investigate the adverse effects of ECC on platelet function.
    • To explore the potential of temporary platelet inhibition as a protective strategy.
    • To preserve platelet integrity during extracorporeal circulation.

    Main Methods:

    • Review of existing literature on platelet-surface interactions in ECC.
    • Analysis of pathways modulated by synthetic surfaces and soluble agonists.

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  • Hypothesizing the protective effects of temporary platelet inhibition.

    • Main Results:

    • ECC induces thrombocytopenia, platelet degranulation, and agonist resistance.
    • Adverse platelet alterations correlate with prolonged bleeding times and blood loss.
    • Similar pathways are affected by synthetic surfaces and soluble agonists.

    Conclusions:

    • Temporary platelet inhibition is a promising strategy to protect platelet morphology and function.
    • Preserving platelet integrity can mitigate bleeding complications associated with ECC.
    • This approach may enhance the feasibility of long-term circulatory assist devices.