This study aims to develop a consciousness measuring and monitoring device using a single-channel electroencephalogram (EEG).
Study objectives: 1. To develop a single-channel EEG database of emergency department (ED) patients with altered mental status. 2. To analyze single-channel EEG recordings and extract significant parameters. 3. To develop a consciousness prediction model using single-channel EEG. Study design: observational multicenter study in 6 tertiary hospital EDs in Korea (Seoul National University Hospital, Seoul Metropolitan Government Seoul National University Boramae Medical Center, Kyungpook National University Hospital, Chungbuk National University Hospital, Chonnam National University Hospital, Korea University Ansan Hospital). The investigators will obtain single-channel EEG data of ED patients with altered consciousness and develop a prospective database of the data. With the constructed database, a consciousness prediction model using single-channel EEG will be developed. The prediction performance of the developed model using area under receiver operating characteristic curve (AUC) will be evaluated.
Study Type
OBSERVATIONAL
Enrollment
300
Seoul National University Hospital
Seoul, South Korea
RECRUITINGConsciousness level using the Glasgow Coma Scale (GCS) scale.
The GCS score ranges from 15 to 3 points, with a higher score indicating an alert consciousness and a lower score indicating decreased consciousness. A binary outcome of GCS\<=8 and GCS\>8 will be used in this study.
Time frame: At the time of study completion (May 31, 2023, anticipated).
Consciousness level using the AVPU (Alert; Verbal; Pain; Unresponsive) scale.
A multi-class outcome (A: alert, V: verbal, P: pain, U: unresponsive) will be used in this study.
Time frame: At the time of study completion (May 31, 2023, anticipated).
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