The objective is to determine the optimal intraoperative ventilation strategy among the chosen tidal volume and positive end-expiratory pressure (PEEP) levels, and standardize it in an enhanced recovery pathway for orthopedic surgical patients. In particular, we propose to determine which combination of intraoperative tidal volume and positive end-expiratory pressure is best for patients having elective orthopedic surgery.
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Time-weighted Average SaO2/FiO2 Ratio in the Postanesthesia Care Unit (PACU)
Timeframe: After surgery until discharged from PACU or up to 90 minutes