Safety comparison of respiratory interventions in patients attending a severe asthma service
| Airway clearance techniques n (%) | Hypertonic saline-7% challenge n (%) | Bronchoscopy n (%) | |
|---|---|---|---|
| No asthma symptoms | 114 (100%) | 109 (93%) | 89 (90%) |
| Bronchospasm requiring nebulised SABA1 | 0 (0%) | 8 (7%) | 8 (8%) |
| Severe Asthma Exacerbation | 0 (0%) | 0 (0%) | 2 (2%) |
| Total | 114 | 117 | 99 |
1 Short acting beta-agonist