Effect of obstructive sleep apnea on postoperative delirium: a system review and meta-analysis

Obstructive sleep apnea (OSA) significantly increases the likelihood of developing postoperative delirium (PD) with an odds ratio of 1.71.

• Thirteen studies indicated that OSA is associated with a higher risk of PD in postoperative patients.
• No significant association was found between OSA and PD when using the Confusion Assessment Method-Intensive Care Unit for evaluation.
• Other assessment scales showed that OSA significantly increased the risk of PD, with an odds ratio of 2.15.
• Three studies assessed the impact of positive airway pressure (PAP) therapy on PD, showing no significant reduction in PD incidence.
• The role of OSA as a risk factor for PD in critically ill patients may not be established.

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