The Effect of Electroencephalographic Trajectory During Anesthesia Emergence on the Indices Monitoring the Hypnotic Component
Authors' conclusion
Our analysis revealed that the course of the different indices reflects spectral EEG patterns during the emergence from general anesthesia.
Study context
- Population
- Patients emerging from GA, from the database of the study by Hesse et al
- Participants
- 59 EEGs
- Comparison
- Index values of SE, qCON, BIS and PSI across 3 emergence EEG trajectories (TrajAbrupt and TrajHigh vs TrajRef)
- Traj Refn = 19reference
- Traj Abruptn = 20
- Traj Highn = 20
- Primary endpoint
- Index values of neuromonitoring devices (SE, qCON, BIS, PSI) during emergence by EEG trajectory
- Follow-up
- Emergence from GA
Methodological detailsretrospective analysis of a prior study database, EEG replay to monitors
- Retrospective analysis of a prior study database
- EEG replay to monitors
Primary result
As reported in the abstract
Index values during emergence
- SE and PSI showed significant differences between Traj Ref and Traj Abrupt during a major part of emergence
- Traj Ref: almost linear increase of index values; Traj Abrupt: episode of low index values followed by sudden increase
- qCON, PSI and BIS showed significant differences between Traj Ref and Traj High, especially at beginning of emergence; Traj Ref had significantly lower index values
Original publication
The Effect of Electroencephalographic Trajectory During Anesthesia Emergence on the Indices Monitoring the Hypnotic Component. Anesth Analg. Published 25 April 2025. doi:10.
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