Abstract：Objective To study the clinical features of electrical status epilepticus during sleep (ESES) in children, as well as the clinical effect of methylprednisolone pulse therapy in children with ESES. Methods A retrospective analysis was performed using the clinical data of 78 children with ESES. Among these children, 56 children who had had the failure of antiepileptic drugs were treated with methylprednisolone pulse therapy at a dose of 15-20 mg/(kg·d) for three courses. Each course of treatment was 3 days, followed by oral prednisone[1-2 mg/(kg·d)] for 3 days. The role of methylprednisolone pulse therapy in eliminating ESES, controlling clinical seizures, and improving intelligence and behaviors was analyzed. Results The mean age of onset of epilepsy in 78 children was 6.8±2.4 years, and the mean age for the first occurrence of ESES was 7.6±2.5 years. Compared with normal children, children with ESES had delayed intelligence development and higher scores of some behavior problems. Methylprednisolone pulse therapy had an overall response rate of 73% (41/56) on clinical seizures, and the overall response rate on electroencephalography (EEG)/spike-wave index was 70% (39/56) after treatment. There were significant improvements in verbal intelligence quotient, performance intelligence quotient and full intelligence quotient, and significant reductions in the scores of learning problems, impulse-hyperactivity and hyperactivity index after treatment (P < 0.05). The overall recurrence rate after 1-year follow-up was 29% (11/38). Conclusions ESES often presents around school age and impairs children's intelligence and behaviors. Methylprednisolone pulse therapy has a marked efficiency in reducing clinical seizures and EEG discharges in children with ESES and can improve intelligence and behavior development, but the recurrence rate remains high.
MENG Li-Ping,DAI Yuan-Yuan. A clinical analysis of electrical status epilepticus during sleep in children and a follow-up study of methylprednisolone pulse therapy[J]. CJCP, 2019, 21(4): 348-353.
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