PMID: 30011142Jul 1, 2016Paper

Successful immunoglobulin treatment in a case of epileptic encephalopathy

No to hattatsu. Brain and development
Takahiro MotokiMasayuki Sasaki

Abstract

A 6-year-old boy with normal development experienced tonic-clonic seizures and myoclonus. His electroencephalogram showed epileptic discharge and he was administered antiepileptic drugs ; however, they were ineffective. Antiepileptic drugs were discontinued temporarily because of no ictal recordings. He could not walk unaided and his speech reduced gradually. He was admitted to our hospital at the age of seven years and eight months. He experienced daily tonic-clonic seizures and myoclonus. Epileptic encephalopathy related to autoimmunity was suspected as he had psychomotor regression and his cerebrospinal and serum anti-glutamate receptor antibody (anti-GluR) levels were elevated. After being administered immunoglobulins, his motor and cognitive functions improved and his seizures almost stopped. After one year, he could walk unaided and speak fluently. We strongly suspect an autoimmune reaction to be the pathological cause because of the effectiveness of immunoglobulin treatment. Immunoglobulin interventions should be considered in patients with unknown-cause, sub-acute onset, and destructively progressive epileptic encephalopathy.

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