Peak Paw(cm H2O) | Peak Poesoph(cm H2O) | VT Lung (ml) | VT Oesoph (ml) | |
---|---|---|---|---|
Data are given as mean (SEM). VT = tidal volume, Paw = airway pressure, Poesoph = oesophageal pressure. †p<0.01 adult bag versus paediatric self inflating bag, *p<0.01 versus bag-valve-facemask, ‡p<0.01 versus laryngeal mask airway. | ||||
Bag-valve-facemask | ||||
Paediatric bag | 12 (1) | 11 (1) | 245 (19) | 149 (11) |
Adult bag | 14 (1) | 12 (1) | 271 (33) | 272 (24)† |
Laryngeal mask airway | ||||
Paediatric bag | 16 (1)* | 1 (0.5)* | 368 (28)* | 0 (0)* |
Adult bag | 20 (1)* | 3 (0.5)* | 727 (53)†* | 8 (3)* |
Combitube | ||||
Paediatric bag | 20 (1)*‡ | 0* | 376 (30)* | 0* |
Adult bag | 24 (1)*‡ | 0* | 653 (47)*‡† | 0* |