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Tracheostomy after surgical failure.
| Surgical procedure | Number of patients (%) |
|---|---|
| Supraglotoplasty | 5 (4) |
| Osteomandibular distraction | 4 (3) |
| Excision of papillomatosis | 4 (3) |
| Balloon dilatation for SGS | 4 (3) |
| Laryngotracheoplasty | 1 (0.8) |
| Uvulopalatoplasty | 1 (0.8) |
| Laser procedure for SGS | 1 (0.8) |
| Treatment of airway acute lesions | 1 (0.8) |
