Rates of event capture of home video EEG

•A review was undertaken of an Australia-wide ambulatory video-EEG monitoring service.•Patients were in view of camera for 94.90% of events, and 84.89% of studies had all events on camera.•84.42% of events from wakefulness were reported, compared to 54.27% from sleep. Recording electrographic and be...

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Bibliographic Details
Published in:Clinical neurophysiology 2023-05, Vol.149, p.12-17
Main Authors: Nurse, Ewan S., Perera, Thilini, Hannon, Timothy, Wong, Victoria, Fernandes, Kiran M., Cook, Mark J.
Format: Article
Language:English
Subjects:
Ambulatory EEG
Electroencephalography
Epilepsy
Epilepsy - diagnosis
Home EEG
Humans
Monitoring, Physiologic
Non-epileptic seizures
Retrospective Studies
Seizures
Sleep
Video EEG
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Summary:•A review was undertaken of an Australia-wide ambulatory video-EEG monitoring service.•Patients were in view of camera for 94.90% of events, and 84.89% of studies had all events on camera.•84.42% of events from wakefulness were reported, compared to 54.27% from sleep. Recording electrographic and behavioral information during epileptic and other paroxysmal events is important during video electroencephalography (EEG) monitoring. This study was undertaken to measure the event capture rate of an home service operating across Australia using a shoulder-worn EEG device and telescopic pole-mounted camera. Neurologist reports were accessed retrospectively. Studies with confirmed events were identified and assessed for event capture by recording modality, whether events were reported or discovered, and physiological state. 6,265 studies were identified, of which 2,788 (44.50%) had events. A total of 15,691 events were captured, of which 77.89% were reported. The EEG amplifier was active for 99.83% of events. The patient was in view of the camera for 94.90% of events. 84.89% of studies had all events on camera, and 2.65% had zero events on camera (mean = 93.66%, median = 100.00%). 84.42% of events from wakefulness were reported, compared to 54.27% from sleep. Event capture was similar to previously reported rates from home studies, with higher capture rates on video. Most patients have all events captured on camera. Home monitoring is capable of high rates of event capture, and the use of wide-angle cameras allows for all events to be captured in the majority of studies.
ISSN:1388-2457
1872-8952
DOI:10.1016/j.clinph.2023.02.165