Epileptic seizure in sleep

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  • 睡眠とてんかん発作
  • スイミン ト テンカン ホッサ

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<p>Epileptic seizure in midnight is sometimes difficult to diagnose especially differentiate correctly from sleep related disorders such as night terror or noctambulation.　Epileptic seizure is usually occurred not only in midnight but also in daytime, which is one of the important differential diagnostic points between them.　Although some kinds of epilepsy shows only nocturnal seizure without any diurnal attack.　To clarify the incidence of epileptic seizure in a day, we analyzed frequency of seizure during video-EEG （VEEG） monitoring for the patients with medically intractable epilepsy.</p><p>Seventy nine times of VEEG in 58 patients （38 are mesial temporal epilepsy ［MTLE］, 13 Neocortical epilepsy ［NCE］, 7 others） were recorded during 8 years in our hospital.　The incidences of seizures between daytime and nighttime in a day were not statistically different in both MTLE and NCE.　On the other hand, the incidences of seizures in sleep state in MTLE and NCE are 28% and 44%, respectively.　Although it was not statistical different （P=0.074, Mann-Whitney U test）, seizure during sleep was more frequent in NCE than MTLE.　All patients were diagnosed correctly as epilepsy with VEEG even in sleep state.</p><p>Seizures in sleep are more frequent in NCE than MTLE.　VEEG is useful method to diagnose epilepsy differentiating from sleep related disorders.</p>

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