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[Extracorporeal liver support systems].

G Azzena, E Morsiani

    Annali Italiani Di Chirurgia
    |February 29, 2000
    PubMed
    Summary
    This summary is machine-generated.

    Artificial liver support systems are crucial for acute liver failure, offering detoxification and metabolic functions. Bioartificial devices using hepatocytes show promise for bridging patients to transplantation or as a standalone therapy.

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    Area of Science:

    • Biomedical Engineering
    • Hepatology
    • Cell Biology

    Background:

    • Acute liver failure presents a life-threatening condition with limited efficacy of conventional treatments.
    • Current artificial liver support systems primarily focus on blood detoxification, failing to address severe biochemical imbalances.

    Discussion:

    • Effective liver support must encompass Phase I (cytochrome P450, NADPH-cytochrome reductase) and Phase II metabolic reactions for toxin processing and excretion.
    • Bioartificial liver support devices incorporating isolated hepatocytes are emerging as a critical advancement.

    Key Insights:

    • Hepatocyte-based bioartificial liver support systems aim to restore essential liver functions beyond simple detoxification.
    • These systems are designed for bridging patients to liver transplantation or as a therapeutic option for non-transplant candidates.

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    Outlook:

    • Clinical investigations of bioartificial liver support devices are underway in the USA and Europe.
    • Prospective controlled trial results are anticipated, potentially paving the way for wider clinical adoption.