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Is sleep captured during a standard daytime EEG sufficient to diagnose Electrical Status Epilepticus in Sleep

Electrical Status epilepticus of sleep (SES) is an EEG pattern where there is significant activation of epileptiform activity in NREM sleep. A spike wave index (SWI) of > 80-85% is often labelled as typical SES. We aimed to explore if sleep during a standard daytime-EEG, as compared an overnight-EEG, was adequate to diagnose ESES.

Citation:
Shah S, Ghosh S, Nagarajan L. Is sleep captured during a standard daytime EEG sufficient to diagnose Electrical Status Epilepticus in Sleep. Epi Beh Rep. 2023;23

Keywords:
DEE-SWAS; Daytime sleep; EEG; Electrical status epilepticus of sleep (SES); Epileptic encephalopathy with status epilepticus in sleep (ESES); Overnight EEG; Spike wave density (SD); Spike wave index (SWI).

Abstract:
Electrical Status epilepticus of sleep (SES) is an EEG pattern where there is significant activation of epileptiform activity in NREM sleep. A spike wave index (SWI) of > 80-85% is often labelled as typical SES. We aimed to explore if sleep during a standard daytime-EEG, as compared an overnight-EEG, was adequate to diagnose ESES.