小児非痙攣性てんかん発作の臨床脳波学的検討 : その臨床および小児非痙攣性てんかん重積状態のビデオ脳波同時記録による臨床脳波学的検討

概要

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Clinico-electroencephalographic investigation was performed in 173 epileptic children with nonconvulsive seizures (NCS), and nonconvulsive status epilepticus (NCSE). The results were as follows: 1) NCS patients, 59.4% of the total number of epileptic children, were divided into two large subgroups; those with partial NCS and those with generalized NCS. Of the NCS patients, cases of partial NCS accounted for 77.0%. 2) The majority (97.8%) of patients with partial NCS showed a seizure pattern that evolved from simple partial seizure to complex partial seizure. 3) Generalized NCS patients were classified into two subgroups; typical absence and atypical absence seizures. The ratio of typical absence seizures to atypical absence seizures was 1.3: 1. 4) NCSE occurred in 10.9% of the children with NCS. Among these patients the number with complex partial status epilepticus (CPSE) and those with atypical absence status was almost equal. 5) We found that NCSE was one of the early features in some infants with Angelman syndrome. Therefore this symptom might be an important clue for the early diagnosis of this syndrome. 6) Using a videoEEG monitoring system it was revealed that "obtundation status" in severe myoclonic epilepsy in infancy was also caused by CPSE.
札幌医科大学の論文
2000-12-01