Table 2.
Characteristics and management of tracheal stenosis
| Characteristics | Patients with tracheal stenosis (n = 114) |
|---|---|
| Type of stenosis | |
| Localized granulation tissue formation | 109 (95.6) |
| Concentric granulation tissue formation | 5 (4.4) |
| Concentric scar stenosis | 0 (0.0) |
| Fibrous web-like stenosis | 0 (0.0) |
| Site of stenosis | |
| Upper tracheal stenosis | 100 (87.7) |
| Subglottic stenosis | 14 (12.3) |
| Mid/lower tracheal stenosis | 0 (0.0) |
| Severity of stenosis | |
| % of lumen occlusion | |
| All patients | 40 (25–50) |
| Patients referred to bronchoscopy | 50 (40–60) |
| Patients with subglottic stenosis | 60 (50–70) |
| Myer-Cotton Grading | |
| Grade 1 (< 50%) | 66 (57.9) |
| Grade 2 (50–69%) | 33 (28.9) |
| Grade 3 (70–99%) | 13 (11.4) |
| Grade 4 (100%) | 2 (1.8) |
| Tracheal cartilage ring fracture | 24 (21.1) |
| Cannulation duration (days) | 37 (27–50) |
| Interventional Bronchoscopy | |
| No. of patients referred to bronchoscopy | 77 |
| No. of endoscopic procedures | 105 |
| No. of procedures per patient | |
| ≥ 1 procedure | 77 (80.2) |
| ≥ 2 procedures | 21 (21.9) |
| = 3 procedures | 7 (7.3) |
| Type of procedure | |
| Nd:YAG Laser | 98 (93.3) |
| Argon plasma coagulation | 4 (3.8) |
| Forceps resection | 3 (2.9) |
| Mechanical dilatation | 0 (0.0) |
| Severity of stenosis | |
| % of lumen occlusion post-intervention | 10 (0–20) |
| Myer-Cotton Grading post-intervention | |
| Grade 1 (< 50%) | 76 (98.7) |
| Grade 2 (50–69%) | 1 (1.3) |
| Grade 3 (70–99%) | 0 (0.0) |
| Grade 4 (100%) | 0 (0.0) |
| Laryngotracheal surgery | 3 (2.6) |
Continuous variables are presented as median (– interquartile range [IQR]); categorical variables are presented as number or number (%)
No./no., number