Key result
Cerebral oximetry monitoring during cardiac surgery significantly reduced the incidence of postoperative cognitive dysfunction compared to control (OR 0.15).
Why the study?
Cerebral desaturation is linked to postoperative neurological complications in cardiac surgery, but the benefit of cerebral oximetry to correct desaturation and reduce complications remains uncertain.
Does cerebral oximetry monitoring reduce postoperative cognitive dysfunction in adult patients undergoing cardiac surgery?
Population
2,033 adult patients undergoing cardiac surgery across 14 trials
Comparison
Cerebral oximetry vs blinded or no cerebral oximetry
Design
Systematic review and meta-analysis of randomized controlled trials
Authors
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Cerebral oximetry may reduce postoperative cognitive dysfunction; very low-certainty evidence with high heterogeneity leaves open standardized trials.
Meta-Analysis (n=2,033)
Yes
Does cerebral oximetry monitoring reduce postoperative cognitive dysfunction in adult patients undergoing cardiac surgery?
Odds Ratio: 0.15 (95% CI 0.04–0.54)
Absolute Event Rate: 29.8% vs 56.2%
p-value: p=0.003
Cerebral oximetry monitoring during cardiac surgery may reduce the incidence of postoperative cognitive dysfunction, though the evidence is limited by high heterogeneity and lack of standardized assessments.
Chiong et al. (2022) conducted a meta-analysis in Cardiac surgery (n=2,033). Cerebral oximetry monitoring vs. Blinded or no cerebral oximetry monitoring was evaluated on Incidence of postoperative cognitive dysfunction (POCD) (OR 0.15, 95% CI 0.04-0.54, p=0.003). Cerebral oximetry monitoring during cardiac surgery significantly reduced the incidence of postoperative cognitive dysfunction compared to control (OR 0.15).
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