AI Article Synopsis

  • * A case of a 9-year-old boy revealed that his seizures persisted despite treatment with thiopental, leading to super-refractory status epilepticus; however, seizure control was achieved using continuous ketamine infusion and intrathecal dexamethasone therapy.
  • * The patient's diagnosis of MOG-CCE was confirmed with positive ani-MOG antibodies, and after receiving multiple treatments, he remained seizure-free for six months without relapse.*

Article Abstract

Background: Seizures are commonly reported in patients with myelin oligodendrocyte glycoprotein antibody-associated cerebral cortical encephalitis (MOG-CCE). However, seizure management during the acute phase has not been established.

Case Report: A 9-year-old previously healthy boy presented with fever persisting for approximately 6 days, along with headache and altered consciousness. Plain T2-weighted and fluid-attenuated inversion recovery imaging showed swelling and abnormal hyperintense lesions in the bilateral frontal, parietal, temporal, and insular cortices with left hemisphere predominance. Consciousness disturbance persisted, and focal myoclonic seizures clustered hourly. Seizures were arrested by titrating the thiopental dose but recurred with dose reduction, and the patient exhibited super refractory status epilepticus. Adverse effects due to long-term use of thiopental became apparent. Hence, continuous infusion of ketamine and intrathecal dexamethasone therapy (IT-DEX) was started. After administration of ketamine and IT-DEX, his seizure was arrested promptly. The cerebrospinal fluid and serum at the time of transfer were clear positive for ani-MOG antibody; therefore, the patient was diagnosed with MOG-CCE. The patient received three courses of intravenous methylprednisolone pulse therapy, followed by oral prednisolone gradually tapered over 6 months. He did not experience any relapse for 6 months.

Conclusion: In MOG-CCE, some cases may present with super-refractory status epilepticus (SRSE) in the acute phase and be refractory to anti-seizure medication, analogous to febrile infection-related epilepsy syndrome. IT-DEX and continuous infusion ketamine are useful for seizure control in MOG-CCE.

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Source
http://dx.doi.org/10.1016/j.braindev.2024.09.001DOI Listing

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