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  • Title: Review of systems questionnaire helps differentiate psychogenic nonepileptic seizures from epilepsy.
    Author: Asadi-Pooya AA, Rabiei AH, Tinker J, Tracy J.
    Journal: J Clin Neurosci; 2016 Dec; 34():105-107. PubMed ID: 27473020.
    Abstract:
    We investigated the utility of a very brief review of system (ROS) questionnaire in differentiating psychogenic nonepileptic seizures (PNES) from epilepsy. In this retrospective study, we investigated all patients with PNES admitted to Jefferson Comprehensive Epilepsy Center from October 2013 through April 2015. Patients with a confirmed diagnosis of PNES or epilepsy based on video-EEG monitoring were included. These were matched with respect to age and sex. All patients had a brief ROS questionnaire in their electronic charts. The questionnaire included 10 general yes/no questions about the presence or absence of any abnormality in body systems. Thirty patients with PNES and 30 patients with epilepsy were investigated. The mean of ROS responses for the presence of any abnormality (±standard deviation) for the PNES group was 2.43 (±1.33) and for the epilepsy group was 1.50 (±0.94) (p=0.01). Cut-off point of three positive ROS was able to differentiate these two conditions from each another (p=0.01; OR: 6, 95% confidence interval: 1.48-24.29). Presence of multiple complaints in the ROS questionnaire argues in favor of PNES compared with epilepsy. This brief and easy to apply ROS questionnaire may be used as a valuable ancillary tool to differentiate PNES from epilepsy during the initial screening visit. This may help prevent the delay in making the diagnosis.
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