From: Ultrasound as a bedside tool for diagnosis of post-intubation tracheal stenosis
 | Stenosis (n = 12) | No-stenosis (n = 18) | p value |
---|---|---|---|
Laryngeal ultrasound | |||
 ACW deflation at 1st day (mm) |  |  | 0.615 |
  Mean ± SD | 7.217 ± 0.57 | 7.418 ± 0.71 | |
 ACW deflation at weaning (mm) |  |  | 0.021* |
  Mean ± SD | 5.808 ± 0.78 | 6.41 ± 0.85 | |
 ACW inflation at weaning (mm) |  |  | 0.631 |
  Mean ± SD | 5.283 ± 0.68 | 5.48 ± 0.79 | |
 ACWR |  |  | 0.013* |
  Mean ± SD | 0.803 ± 0.06 | 0.863 ± 0.07 | |
 ACWD (mm) |  |  | 0.002** |
  Mean ± SD | 0.525 ± 0.26 | 0.932 ± 0.39 | |
Tracheal US | |||
 Tracheal diameter at 1st day (mm) |  |  | 0.955 |
  Mean ± SD | 16.43 ± 1.77 | 16.45 ± 1.062 | |
 Tracheal diameter at weaning (mm) |  |  | 0.152 |
  Mean ± SD | 15.05 ± 1.18 | 15.73 ± 1.28 | |
 Mucosal irregularity, no. |  |  | < 0.001*** |
  (%) Normal | 1 (8.3) | 35 (92.1) | |
  Irregular | 11 (91.7) | 3 (7.9) | |
CT | |||
 Laryngeal width by CT (mm) |  |  |  |
  Mean ± SD | 5.9 ± 0.67 | 7.34 ± 0.81 | < 0.001*** |
 Tracheal diameter by CT (mm) |  |  | < 0.001*** |
  Mean ± SD | 14.017 ± 0.8.5 | 16.1 ± 1.004 |