Cardiothoracic & vascular anesthesia
Transcranial doppler assessment of preoperative cerebral blood flow velocity in cardiac surgery patients
Main finding · PODResult — go to the resultOdds ratio 0.908 95% CI 0.840–0.981Authors' conclusion
Reduced cerebral blood flow velocity during CPB, as measured by TCD, is associated with a higher risk of POD.
Study context
- Population
- Patients undergoing elective cardiac surgery with cardiopulmonary bypass (CPB)
- Participants
- 41 patients
- Exposure
- Preoperative mean MCA flow velocity and postoperative delirium (POD)
- Outcome
- POD
Main finding
As reported in the abstract
Odds ratio
0.908
95% CI 0.840–0.981
P = 0.015
Each 1 cm/s decrease in mMCAvmean
OR 0.908 (95% CI 0.840–0.981); P = 0.015
Each 1 cm/s decrease in mMCAvmean, as printed
- POD incidence
- 21 patients (51%)
Observational data: associations, not effects.
Original publication
Transcranial doppler assessment of preoperative cerebral blood flow velocity in cardiac surgery patients. J Clin Monit Comput. Published 12 December 2025. doi:10.
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