Background: The most important consideration for administration of anesthesia in upper airway surgery is maintenance of a patient's airway for optimal surgical exposure, adequate ventilation and su cient depth of anesthesia. e tubeless anesthetic techniques, including total intravenous anesthesia with a combination of propofol and remifentanil or inhalation anesthesia with the insu ation of anesthetic gas, are considered experimental in many countries.
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