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Related Experiment Videos

Cefazolin: a valid model of experimental epilepsy?

G Nisticò, G B De Sarro, F Naccari

    Monographs in Neural Sciences
    |January 1, 1980
    PubMed
    Summary
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    High doses of cefazolin, a cephalosporin antibiotic, can induce epileptic seizures and electrocortical changes in animal models. These findings suggest cefazolin may possess neurotoxic properties, similar to benzylpenicillin.

    Area of Science:

    • Neuropharmacology
    • Clinical Neurology

    Background:

    • Cefazolin is a cephalosporin antibiotic.
    • Cephalosporins are not typically associated with epileptic seizures.
    • Benzylpenicillin is known to evoke epileptiform electrocortical changes.

    Purpose of the Study:

    • To investigate the potential of cefazolin to induce epileptic seizures.
    • To compare the epileptiform effects of cefazolin with those of benzylpenicillin.

    Main Methods:

    • Intravenous injection of high doses of cefazolin in chicks, rats, and rabbits.
    • Microinjection of cefazolin into the III cerebral ventricle in chicks and rats.
    • Electrocortical monitoring to assess electroencephalographic changes.

    Main Results:

    Related Experiment Videos

    • Intravenous cefazolin induced epileptiform electrocortical changes in chicks, rats, and rabbits.
    • Microinjected cefazolin triggered wild running, myoclonic jerks, and generalized clonic convulsions in chicks and rats.
    • Electrocortical monitoring revealed high-voltage spike bursts and periodic single spikes.

    Conclusions:

    • Cefazolin, at high doses, can produce epileptiform electrocortical changes and seizures in animal models.
    • These neurotoxic effects are similar to those observed with benzylpenicillin.
    • Cefazolin's potential for neurotoxicity should be considered, particularly at high dosages.