【正文】
extubation Delayed extubation: ① Pharyngeal damage due to tracheal intubation ② The involved operation range is large ③ Restrictive dressings(敷料) applied after surgery ④ Narrowed pharyngeal cavity due to trauma (2) Prevent postoperative nausea and vomiting (3) Prevent the plications related to anesthesia ? Nasalpharyngeal mucosal haemorrhage(鼻咽粘膜出血) ? Nasalpharyngeal mucosal fall off ? Pharyngeal edema ( 4) Postoperative maxilla sinus(頜竇) inflammation ? Choose appropriate size tracheal tube ? Use tracheal tube lubricant(滑潤劑) ? Apply humidification(濕化) of inspired gases ? Highvolume, lowpressure cuffs may be preferred for longterm intubation