Disease | Covered group (n = 36) | Uncovered group (n = 9) |
---|---|---|
Cicatricial tracheal stenosis after tracheotomy | 12 | 3 |
Granulation tissue hyperplasia after tracheotomy | 3 | 1 |
Cicatricial stenosis of the trachea after tracheal intubation | 9 | 2 |
Granulation tissue hyperplasia after tracheal intubation | 1 | 0 |
Tracheobronchial tuberculosis | 4 | 2 |
Traumatic injuries | 1 | 0 |
Polychondritis | 1 | 0 |
Tracheal invasion by esophageal carcinoma | 2 | 1 |
Esophageal stent oppression | 1 | 0 |
Lung cancer | 1 | 0 |
Neoplasm metastasis or lymphadenectasis | 1 | 0 |