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  • Title: Outcome of prolonged video-EEG monitoring in a new VA monitoring unit.
    Author: Amin U, Benbadis SR, Frontera AT.
    Journal: Epilepsy Behav; 2020 Jan; 102():106696. PubMed ID: 31805507.
    Abstract:
    BACKGROUND AND OBJECTIVE: For patients with refractory seizures or seizure-like activity, prolonged inpatient video-electroencephalography (EEG) (v-EEG) is standard of care to guide diagnosis and management. The purpose of this study was to describe the outcome of v-EEG in a new Veterans' Administration (VA) hospital epilepsy monitoring unit (EMU). METHODS: We reviewed all prolonged (>24 h) inpatient v-EEGs performed in our EMU (2 beds) at the James A Haley VA in Tampa, FL over a five-and-a-half-year period (11/2013-07/2019). A total of 216 prolonged v-EEGs were performed. The patient population consisted of adult veterans (185 males, 31 females) ranging from 21 years to 89 years old (mean 52.5). The duration of monitoring ranged from 24 h to 9 days (mean 3.6 days). RESULTS: Of the 216 studies, 39 (18%) exclusively had epileptic seizures (ES). Of these, 37 (95%) had focal seizures, and 2 (5%) had generalized seizures. Of the 37 cases with focal seizures, all but 2 had clear ictal changes on EEG. Eighteen (8.5%) EEG studies revealed interictal epileptiform abnormalities without a clinical event. Sixty-eight (31.5%) of the v-EEGs had exclusively nonepileptic events (NEE). Of these, 27 (12.5%) were psychogenic nonepileptic seizures (PNES), and 41 (19%) were other NEE. Ninety-one (42%) of the studies were inconclusive, either because of lack of events captured (63) or because the events recorded were not the patient's typical episodes (27). SIGNIFICANCE: Compared to non-VA series, we found a lower proportion of PNES, and a higher proportion of inconclusive studies.
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