Intraoperative management for thoracic surgery

The incidence of hypoxemia during one-lung ventilation (OLV) with an inspired oxygen concentration (FiO2) of 1.0 has declined from levels of 20-25% in the 1970’s to approximately 1% today. Two advances in thoracic anesthesia are responsible. First, the routine use of fiberoptic bronchoscopy to position double-lumen tubes. Second, the increased use of balanced anesthesia with lower doses of volatile anesthetic agents.

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