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Journal Article

Citation

Maeda A, Neshige S, Katsumata R, Nonaka M, Ishibashi H, Maruyama H. Cureus 2023; 15(6): e40818.

Copyright

(Copyright © 2023, Curēus)

DOI

10.7759/cureus.40818

PMID

37485229

PMCID

PMC10362973

Abstract

A 47-year-old man presented with tonic-clonic seizures characterized by convulsions. He repeatedly exhibited seizures despite treatment with four anti-seizure medications. During the titration process of perampanel (PER), the seizures paradoxically increased in intensity and frequency, resulting in trauma. Video electroencephalogram monitoring revealed interictal rapid rhythms and generalized spikes and documented atonic seizures. Thus, the patient was diagnosed with Lennox-Gastaut syndrome. Upon discontinuation of PER, the patient's atonic seizures with falls improved, probably suggesting a paradoxical effect of PER. A non-competitive antagonist selective for AMPA (α-amino-3-hydroxy-5-methyl-4-isoxazolepropionic acid) receptors may have caused the weakness and delayed recovery from prolonged atonia that caused injuries.


Language: en

Keywords

cognition; atonic seizures; drug-resistant epilepsy; electroencephalography (eeg); lennox-gastaut syndrome; neurology; neurophysiology; perampanel; seizure medications

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