Cardiothoracic & vascular anesthesia
Incidence of delirium post cardiac surgery: Discrepancy between clinical observation, Delirium Observation Screening (DOS) scores, and single‑lead EEG
Authors' conclusion
Our findings reveal significant discrepancies in POD detection rates by diagnostic methods.
Study context
- Population
- Patients aged 65 or older scheduled for aortic valve replacement surgery
- Participants
- 50 patients
- Exposure
- Clinical observation vs DOS vs single-lead EEG for postoperative delirium (POD) detection
- Outcome
- Incidence of delirium by clinical observation, DOS and single-lead EEG
- Follow-up
- Postoperative days 1, 3 and 7
Main finding
As reported in the abstract
POD incidence
P < 0.001
- Concordance between clinical assessment and DOS
- 80 %
Observational data: associations, not effects.
Further findings
POD incidence over time · 7 postoperative days
- Incidence declined across all methods over seven postoperative days
Original publication
Incidence of delirium post cardiac surgery: Discrepancy between clinical observation, DOS scores, and single‑lead EEG. J Clin Anesth. Published 18 June 2025. doi:10.
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