58例国呼吸窘迫而插管的新生儿，由于拔管困难作了诊断性内窥镜检查，发现13例为后天性声门病变，19例系后天性声门和声门下联合的疾病，河例以后天性声门下疾病，9例为其他疾病（3例严重小颔畸形，1例偏侧隔麻痹，1例无名动脉悬浮，1例气管破室囊肿，1例气管双措囊肿，1例肺气 58 cases of respiratory distress and intubation of newborns, diagnosis of endoscopy due to difficulty in extubation found that 13 cases of acquired glottis lesions, 19 cases of acquired glottic and subglottic disease, the river In the following cases, the underlying glandular subglottic disease was found in 9 cases for other diseases (3 cases of severe deformity, 1 case of paravertebral paralysis, 1 case of unnamed artery suspension, 1 case of tracheal rupture cyst, 1 case of tracheal doublet cyst and 1 case of lung gas