O-2-24. Multimodal evoked potential study following posterior quadrantectomy in children with intractable epilepsy

To identify surgical effects on brainstem and cortical function objectively, we compared auditory brainstem response (ABR), somatosensory evoked potential (SEP) and flash visual evoked potential (fVEP) before and after posterior quadrantectomy (PQ) in 11 young children with intractable epilepsy associated with posterior quadrant cortical dysplasia. Mean age of seizure onset and the surgery was 1.4 months and 7.7 months old, respectively. Seven patients showed spasm and 2 had tonic seizures preoperatively.

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