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Fluorocarbons and the microcirculation.

N S Faithfull, M Fennema, W A Van Alphen

    Acta Anaesthesiologica Belgica
    |January 1, 1984
    PubMed
    Summary
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    Fluorocarbon blood substitutes like Fluosol-DA 20% can maintain tissue oxygenation and viability, even in compromised microcirculation. Their low viscosity aids perfusion in areas of circulatory arrest, improving oxygen delivery.

    Area of Science:

    • Biomedical Engineering
    • Cardiovascular Research
    • Resuscitation Medicine

    Background:

    • Oxygen transport and delivery are critical for tissue viability.
    • Impeded microcirculation can lead to tissue hypoxia and damage.
    • Blood substitutes offer potential solutions for oxygen delivery challenges.

    Purpose of the Study:

    • To discuss oxygen transport by fluorocarbon blood substitutes.
    • To evaluate properties enhancing oxygenation in damaged microcirculation.
    • To present findings on Fluosol-DA 20% for tissue oxygenation.

    Main Methods:

    • Extracorporeal perfusion of isolated extremities with Fluosol-DA 20%.
    • Assessment of tissue oxygenation and viability.
    • Analysis of fluorocarbon emulsion properties (viscosity, particle size).

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    Main Results:

    • Fluosol-DA 20% maintained oxygenation and viability of extremities for 48 hours.
    • The emulsion penetrated compromised capillary beds effectively.
    • Low viscosity and particle size facilitated perfusion in circulatory arrest areas.

    Conclusions:

    • Fluorocarbons, like Fluosol-DA 20%, significantly improve tissue oxygenation.
    • These blood substitutes are effective in damaged or impeded microcirculation.
    • Fluosol holds considerable clinical importance for microcirculatory support.