Difficult | Asthma | Non-asthma | |
---|---|---|---|
Rigid (n = 10) | Flexible (n = 38) | Flexible (n = 35) | |
Induction of anaesthesia | |||
Intravenous | 10 | 33 | 19 |
Inhalational | 0 | 5 | 16 |
Maintenance of anaesthesia | |||
Intravenous | 0 | 2 | 0 |
Inhalational | 10 | 35 | 33 |
Both | 0 | 1 | 2 |
Muscle relaxant used | 10 | 31 | 13 |
Type of airway used | |||
Face mask | N/A | 3 | 163-151 3-152 |
Laryngeal mask | N/A | 83-150 | 8 |
Intubated | N/A | 283-150 | 143-151 3-152 |
Bronchoscopic procedures | |||
Bronchoalveolar lavage | 5 | 38 | 32 |
Endobronchial biopsy | 10 | 37 | 3 |
Complications | |||
Laryngospasm | 0 | 0 | 7 |
Bronchospasm | 1 | 0 | 0 |
Apnoea | 0 | 0 | 4 |
Desaturation3-153 | 2 | 1 | 6 |
Bradycardia | 0 | 0 | 0 |
Bleeding | 0 | 0 | 0 |
Pneumothorax | 0 | 0 | 0 |
Total | 3 | 13-154 | 173-154 |
Data are expressed as absolute numbers.
↵3-150 Includes one patient intubated electively following initial examination via a laryngeal mask.
↵3-151 Includes two patients intubated electively following initial examination via a face mask.
↵3-152 Includes one patient intubated as an emergency following initial examination via a face mask.
↵3-153 More than10% fall below baseline oxygen saturation.
↵3-154 p < 0.01.