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吸气性会厌脱垂不是成人上呼吸道阻塞的常见原因,但常可见于口腔与咽喉部手术和头外伤昏迷后失去咽部气道支撑物的病人。报道8例会厌脱垂,其中2例分别发生于口腔癌切除术和喉软骨骨折后,有进行性呼吸暂停、不能平卧;6例出现在头部外伤和昏迷的恢复期中,包括车祸后昏迷、出血性动脉瘤、脑干中风、头部开放与闭合伤等。这些病人有严重中枢神经系统损伤,气管切开后堵管即有严重喘鸣和气道阻塞,不能拔管。所有病人均进行了电视喉镜检查,显示喉部呈卵形状,咽喉部前后径缩短,间隙消失。安静时会厌接近水平
Inhalation of the epiglottis is not a common cause of upper airway obstruction in adults, but is often seen in patients who have lost pharyngeal airway support after surgery for oral and pharyngeal wounds and head trauma. Reported 8 cases of epiglottis prolapse, of which 2 cases occurred in patients with oral cancer resection and laryngeal cartilage fractures, there were progressive apnea, can not supine; 6 cases of head trauma and coma recovery, including coma after a car accident , Hemorrhagic aneurysm, brain stem stroke, head open and closed injuries. These patients have severe central nervous system injury, tracheostomy blocked serious wheezing and airway obstruction, can not extubation. All patients underwent video laryngoscopy, showing that the larynx was ovoid in shape, throat anteroposterior diameter shortened, the gap disappeared. Epidurysive near level when quiet