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分析19年来42例儿童后天性喉气管狭窄，年龄自15个月到14岁，平均8岁。主要病因有气管切开术后；喉气管外伤；复发性喉乳头状瘤术后；气管内插管等。全部病例狭窄严重，依靠气管切开呼吸。采用不同的喉气管重建术。结果40例病人经1～18年随访，36例（90．0％）拔除气管套管，治愈。结论：①提高气管切开术技术，可以减少儿童喉气管狭窄发病率；②3岁以上儿童可以进行喉气管重建术；③手术方式的选择必须根据喉气管狭窄病变而定。
In the past 19 years, 42 cases of children with acquired laryngotracheal tube stenosis, age from 15 months to 14 years old, with an average of 8 years old. The main causes of tracheotomy; tracheal trauma; recurrent laryngeal papilloma after; endotracheal intubation. Serious stenosis in all cases, relying on tracheotomy breathing. Different laryngotracheal reconstructions were used. Results 40 patients were followed up from 1 to 18 years and 36 cases (90.0%) were removed with tracheal tube and cured. Conclusion: (1) The technique of tracheotomy can reduce the incidence of laryngotracheal stenosis in children; (2) laryngeal tracheal reconstructive surgery can be performed in children over 3 years of age; (3) the choice of surgical approach must be based on the pathological changes of laryngeal tracheal stricture.