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Do observer and self-reports of ictal eye closure predict psychogenic nonepileptic seizures?

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Do observer and self-reports of ictal eye closure predict psychogenic nonepileptic seizures?

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PURPOSE: Diagnostic delay in distinguishing psychogenic nonepileptic seizures (PNES) from epileptic seizures may result in unnecessary therapeutic interventions and higher health care costs. Previous studies demonstrated that video-recorded eye closure is associated with PNES. The present study prospectively assessed whether observer or self-report of eye closure could predict PNES, prior to video-EEG monitoring. METHODS: Adults referred to an epilepsy monitoring unit (EMU) were prospectively enrolled into the study. At baseline, self-report of eye closure was assessed by questionnaire, and observer report was obtained by interview. Physicians viewed video clips independent of EEG tracings and determined the duration of eye closure during PNES and epileptic seizures. We evaluated whether video-recorded eye closure identified an episode as PNES using random effects models that accounted for episode clustering by subject. The utility of observer and self-report of eye closure in predicti

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