TITLE

Accidental induced seizures in three cynomologus macaques following administration of ceftriaxone dissolved in 1% lidocaine diluent

AUTHOR(S)
Dror, Moti
PUB. DATE
January 2010
SOURCE
Laboratory Animals;Jan2010, Vol. 44 Issue 1, p30
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
Following initial signs of dural infection, or as prophylactic postoperative therapy, three cynomologus macaques were given an intramuscular or a subcutaneous injection of ceftriaxone dissolved in a 1% lidocaine diluent (CL). Two to 15 min later, all three monkeys experienced a long-lasting generalized apnoeic clonic convulsive seizure. The injected doses of lidocaine (0.7-2 mg/kg) were as low as 7-20-fold less than the experimental intravenous dosage (14.2±3.2 mg/kg) previously reported to induce seizure in healthy rhesus monkeys. Under different clinical conditions, the same three animals were either once (1 animal) or repeatedly given CL without any resultant neurological alterations. The monkeys had a cranial device implanted and two of them were craniotomized. This first report of accidental lidocaine-induced seizure in laboratory non-human primates following CL injection strongly suggests increased susceptibility when lidocaine administration is associated with central nervous system alteration. A novel hypothesis, the possible role of cytokine in lowering the lidocaine seizure threshold, is suggested.
ACCESSION #
48415836

 

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