Improving staff response to seizures on the epilepsy monitoring unit with online EEG seizure detection algorithms

Epilepsy & Behavior : E&B
Nicole RommensGerhard H Visser

Abstract

User safety and the quality of diagnostics on the epilepsy monitoring unit (EMU) depend on reaction to seizures. Online seizure detection might improve this. While good sensitivity and specificity is reported, the added value above staff response is unclear. We ascertained the added value of two electroencephalograph (EEG) seizure detection algorithms in terms of additional detected seizures or faster detection time. EEG-video seizure recordings of people admitted to an EMU over one year were included, with a maximum of two seizures per subject. All recordings were retrospectively analyzed using Encevis EpiScan and BESA Epilepsy. Detection sensitivity and latency of the algorithms were compared to staff responses. False positive rates were estimated on 30 uninterrupted recordings (roughly 24 h per subject) of consecutive subjects admitted to the EMU. EEG-video recordings used included 188 seizures. The response rate of staff was 67%, of Encevis 67%, and of BESA Epilepsy 65%. Of the 62 seizures missed by staff, 66% were recognized by Encevis and 39% by BESA Epilepsy. The median latency was 31 s (staff), 10 s (Encevis), and 14 s (BESA Epilepsy). After correcting for walking time from the observation room to the subject, both algo...Continue Reading

Citations

Dec 15, 2020·The Canadian Journal of Neurological Sciences. Le Journal Canadien Des Sciences Neurologiques·Jimmy LiDang Khoa Nguyen
Jun 20, 2020·Seizure : the Journal of the British Epilepsy Association·Elisabeth E M ReusFieke M E Cox

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