Obstructive sleep apnea affects an estimated 25% of surgical patients, with the majority undiagnosed at the time of surgery. OSA significantly increases perioperative risk including difficult airway management, opioid sensitivity, postoperative respiratory depression, and cardiac complications. Systematic screening, appropriate anesthetic planning, and enhanced postoperative monitoring are essential for safe perioperative management.
STOP-BANG score ≥ 5 indicates high risk for moderate-severe OSA; score ≥ 3 warrants perioperative precautions
OSA patients have increased sensitivity to opioids, sedatives, and residual neuromuscular blockade
Anticipate difficult mask ventilation and intubation; have advanced airway equipment immediately available
Multimodal opioid-sparing analgesia (ketamine, dexmedetomidine, regional blocks, acetaminophen, NSAIDs) is preferred
Postoperative monitoring: continuous pulse oximetry, semi-upright positioning, CPAP resumption if prescribed
For OSA patients, extubate fully awake in a semi-upright or lateral position. Ensure complete reversal of neuromuscular blockade with quantitative monitoring (TOF ratio ≥ 0.9) before extubation. Consider dexmedetomidine as a sedation adjunct — it provides analgesia and sedation without significant respiratory depression.
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