| Initial | Immediately Before HFOV | After HFOV |
---|---|---|---|
Number of patients | 14 | 14* | 12 |
Volume control ventilation | 12 | 9 | 7 |
Pressure control ventilation | 2 | 7 | 6 |
Tidal volume (mL/Kg †) | 7.1 (2.1) | 6.1 (1.0) | 6.2 (1.3) |
PEEP (cm H2O) | 13 (5) | 14 (4) | 13 (4) |
Peak airway pressure (cm H2O) | 37 (10) | 39 (5) | 34 (7) |
Plateau pressure (cm H2O) | 35 (11) | 35 (6) | 32 (11) |
Mean airway pressure (cm H2O) | 19 (6) | 24 (4) | 20 (5) |
Respiratory rate (per minute) | 24 (7) | 28 (6) | 24 (4) |
Minute ventilation (L/minute) | 12 (4) | 11 (3) | 10 (4) |
FIO2 | 0.95 (0.11) | 0.91 (0.16) | 0.75 (0.23) |
PaO2 (mm Hg) | 81 (33) | 63 (8) | 67 (17) |
PaCO2 (mm Hg) | 52 (14) | 57 (17) | 56 (12) |
pH | 7.28 (0.12) | 7.26 (0.15) | 7.28 (0.15) |
PaO2/FIO2 | 89 (47) | 73 (20) | 96 (34) |
Oxygenation index | 27 (16) | 35 (10) | 26 (16) |