颈胸部各种创伤、气管切开或气管插管后造成的气管狭窄是后天性气管狭窄主要原因。近年来随着应用机械呼吸疗法,这种原因所引起的气管狭窄也日渐增多。气管狭窄为不可逆转的、进行性加重的病变,唯一有效的治疗方法是外科手术切除狭窄组织,恢复气管管腔通气。因为病程是进行性加重,也有骤 Cervical and thoracic trauma, tracheotomy or tracheal intubation caused by tracheal stenosis is the main cause of acquired tracheal stenosis. In recent years, with the application of mechanical respiratory therapy, tracheal stenosis caused by this reason is also increasing. Tracheal stenosis is irreversible, progressive aggravating lesions, the only effective treatment is surgical removal of stenosed tissue to restore tracheal lumen ventilation. Because the course of the disease is aggravating, there are also steps