中心气道狭窄可由多种原因引起 ,包括良性及恶性病变。由于其部位在气管、隆突、左右主支气管及中间段支气管 ,因此可以严重影响呼吸功能 ,造成严重呼吸困难 ,影响患者的生活质量甚至导致死亡。就支气管肺癌而言 ,近 95 %患者需要进行姑息治疗 ,30 %会出现气管主支气管的阻塞因 Central airway stenosis can be caused by a variety of causes, including benign and malignant lesions. Because of its location in the trachea, carina, about the main bronchus and the middle section of the bronchus, it can seriously affect respiratory function, causing severe respiratory difficulties, affecting the quality of life of patients and even lead to death. In the case of bronchogenic carcinoma, nearly 95% of patients require palliative treatment and 30% have obstruction of the tracheobronchial tube