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Related Experiment Videos

Studies on methanol poisoning

D Jacobsen, H Jansen, E Wiik-Larsen

    Acta Medica Scandinavica
    |January 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

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    Concurrent ethanol ingestion mitigated methanol poisoning symptoms in most patients, with hemodialysis effectively clearing both substances. Lower ethanol doses may suffice for mild methanol toxicity without acidosis or visual issues.

    Area of Science:

    • Toxicology
    • Nephrology
    • Emergency Medicine

    Background:

    • Methanol poisoning can lead to severe toxicity, including metabolic acidosis and visual impairment.
    • Ethanol is a known antidote for methanol poisoning, competitively inhibiting its metabolism.
    • Hemodialysis is an effective method for removing methanol from the blood.

    Purpose of the Study:

    • To describe the clinical course and treatment outcomes of patients with concomitant methanol and ethanol poisoning.
    • To evaluate the efficacy of hemodialysis in clearing methanol and ethanol.
    • To assess the role of ethanol as a sole treatment in mild methanol toxicity cases.

    Main Methods:

    • Retrospective case series of eleven patients with methanol poisoning.
    • Analysis of whole blood methanol and ethanol concentrations.

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  • Hemodialysis was performed on all patients.
  • Calculation of dialysator clearance for methanol and ethanol.

    • Main Results:

    • Most patients presented with mild clinical courses, attributed to concurrent ethanol intake and prompt hemodialysis.
    • One patient experienced permanent visual impairment; others recovered fully.
    • Symptoms correlated strongly with the degree of metabolic acidosis.
    • Hemodialysis demonstrated high clearance rates for both methanol and ethanol.
    • Ethanol therapy, even at lower concentrations, showed significant contribution to total body clearance of methanol.

    Conclusions:

    • Concurrent ethanol ingestion and rapid hemodialysis are crucial for managing methanol poisoning.
    • Hemodialysis is highly effective in removing both methanol and ethanol.
    • Ethanol may serve as an effective sole treatment for mild methanol toxicity (up to 15 mmol/l) in the absence of acidosis or visual impairment.