Perioperative medicine & outcomes
Electroencephalographic Measures of Delirium in the Perioperative Setting: A Systematic Review
Authors' conclusion
The EEG patterns observed in POD aligned with those noted in delirium in different contexts, suggesting a reduction in EEG activity.
Study context
- Population
- Perioperative patients (pre-, intra- and postoperative EEG) in studies of postoperative delirium (POD)56 studies included
- Outcome
- EEG measures of POD
Methodological details371 studies identified, 56 met inclusion criteria
- 371 studies identified, 56 met inclusion criteria
Pooled result
As reported in the abstract
- EEG techniques ranged from limited 1-4 channel setups to complex 256-channel systems
- Preoperative power spectra often measured; outcomes inconsistent
- Intraoperative: emphasis on burst suppression metrics and power spectra; frequency and timing of burst suppression linked to POD
- EEG patterns in POD aligned with delirium in other contexts, suggesting reduced EEG activity
Original publication
Electroencephalographic Measures of Delirium in the Perioperative Setting: A Systematic Review. Anesth Analg. Published 1 May 2025. doi:10.
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