The effect of raw EEG implementation for assessing depth of anaesthesia on patient quality of recovery: A multicentre, double-blind, randomised controlled trial
Primary result · QoR-15 scoreResult — go to the resultMean difference −3.2 95% CI −8.8 to 2.5Authors' conclusion
A short tutorial on the raw electroencephalogram and its addition intra-operatively was not able to improve quality of recovery or reduce propofol consumption in middle-aged, largely female patients.
Study context
- Population
- Adults undergoing in-hospital laparoscopies and their anaesthesia practitioners (≥2 years' experience), four tertiary centres in Switzerlandpairs randomised
- Participants
- 232 adults
- Comparison
- Tutorial vs No tutorial
- Primary endpoint
- Quality of recovery measured with the QoR-15 score
- Follow-up
- First postoperative day
Methodological detailsmulticentre, double-blind, four tertiary centres in Switzerland, patients 78% female
- Multicentre
- Double-blind
- Four tertiary centres in Switzerland
- Patients 78% female
Primary result
QoR-15 score
Mean difference
−3.2
95% CI −8.8 to 2.5
P = 0.273
Tutorial vs No tutorial
mean difference −3.2 (95% CI −8.8 to 2.5); P = 0.273
As reported in the abstract
Secondary outcomes
| Outcome | Mean difference (mg kg −1 h −1) (95% CI) | P value | |
|---|---|---|---|
| Propofol consumption | 0.36 (−0.01 to 0.73) | P = 0.055 | |
| −0.500.51Difference, mg kg −1 h −1 (linear scale) |
Original publication
The effect of raw EEG implementation for assessing depth of anaesthesia on patient quality of recovery: A multicentre, double-blind, randomised controlled trial. Eur J Anaesthesiol. Published 30 October 2025. doi:10.
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