作者择需在监护室气管插管大于15小时的患者作远视喉镜检查29例。检查结果用手提式电视录像系统记录。结果显示大多数患者有喉内损伤之迹象。声带溃疡形成及声带运动异常是插管最常见的损伤,动态喉镜有助于观察由于声带不全性麻痹或损伤引起的微小的声带振动异常。随访发现插管所致的损伤多数不需手术治疗。声门神经肌肉机能障碍常见于插管时间大于16小时者。虽然多数在一周内恢复正 Authors choose to be in the custody of tracheal intubation for more than 15 hours in patients with far-laryngoscopy for 29 cases. The test results were recorded using a portable video recording system. The results showed that most patients had signs of intrathoracic injury. Vocal cord ulceration and vocal cord motion abnormalities are the most common intubation injuries. Dynamic laryngoscopy is useful for observing minor vocal cord vibration abnormalities due to incomplete vocal cord paralysis or injury. Follow-up found that most of the damage caused by intubation without surgery. Sonogastronic muscle dysfunction is common in intubation time greater than 16 hours. Although most recovered within a week