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气管狭窄最常见的病因为外伤、气管切开或气管插管。尤其同时进行控制呼吸者,其发病率由1％—10％,最高达20％。由于医学不断发展,这些原发病的生存率提高,随之气管狭窄发病率也相应增加。炎症及肉芽性疾病较少见,如结核、白喉、严重异物反应、及先天病变等。以往曾应用不同方法及移植物进行治疗。有的移植物因排异作用或肉芽纤维增生而失败。局部切除,端对端缝合法,张力大时易再狭窄,且切除气管最大限度为6.5公分,超此范围之狭窄需另用他法。
The most common causes of tracheal stenosis are trauma, tracheotomy or endotracheal intubation. Especially at the same time to control breathing, the incidence of 1% -10%, up to 20%. Due to the continuous development of medicine, the survival rate of these primary diseases is increased, and the incidence of tracheal stenosis is correspondingly increased. Inflammation and granulomatous diseases are rare, such as tuberculosis, diphtheria, severe foreign body reactions, and congenital lesions. In the past, different methods and grafts have been used for treatment. Some graft failure due to rejection or granulation fibrosis. Partial resection, end to end suture method, easy to restenosis when the tension is large, and the maximum removal of the trachea is 6.5 cm, beyond the scope of the narrow need to use his method.