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Related Experiment Videos

Does a barbiturate drug given in lethal dose enter the cornea?

P K Basu, B M Kapur, A Ahad

    Canadian Journal of Ophthalmology. Journal Canadien D'Ophtalmologie
    |July 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

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    Sodium phenobarbital, a common suicide drug, was detected in the cornea after lethal overdose in animal models. This finding indicates drug penetration into avascular ocular tissues.

    Area of Science:

    • Ophthalmology
    • Toxicology
    • Pharmacology

    Background:

    • Sodium phenobarbital is frequently used in lethal overdoses.
    • Understanding drug distribution in ocular tissues is crucial for forensic and clinical toxicology.

    Purpose of the Study:

    • To investigate the penetration of sodium phenobarbital into the cornea after a lethal dose.
    • To determine if avascular ocular tissues are affected by systemic drug administration.

    Main Methods:

    • Animal models (guinea pigs and rabbits) were administered a lethal dose of sodium phenobarbital.
    • Gas chromatography was employed to detect and quantify the drug in ocular tissues and fluids.

    Main Results:

    • Sodium phenobarbital was detected in vascular ocular tissues and intraocular fluids.

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  • The drug was also found in avascular tissues, specifically the cornea.

    • Conclusions:

    • Lethal doses of sodium phenobarbital can penetrate into the avascular cornea.
    • This suggests potential ocular involvement in cases of phenobarbital overdose.