Table 1.
Respiratory parameters from the last day of invasive mechanical ventilation to the third day after extubation
| Variable | PSV | SBT | Post extubation NPPV | Day 1 | Day 2 | Day 3 | |||
|---|---|---|---|---|---|---|---|---|---|
| NPPV | SB | NPPV | SB | NPPV | SB | ||||
| EAdi (μV) | 23.3 | 23.9 | 63.0 | 45.1 | 76.4 | 39.4 | 83.7 | 59.2 | 64.9 |
| RR (bpm) | 21 | 24 | 24 | 22 | 24 | 27 | 21 | 27 | 28 |
| Expiratory pressure (cmH2O) | 5 | 5 | 5 | 5 | – | 8 | – | 8 | – |
| Inspiratory pressure (cmH2O) | 15 | 10 | 15 | 12 | – | 10 | – | 10 | – |
PSV Pressure Support Ventilation, SBT Spontaneous breathing trial, NPPV Noninvasive Positive Pressure Ventilation, SB Spontaneous breathing, EAdi Electrical activity of the diaphragm, in microvolts (μV), RR Respiratory Rate in breaths per minute, Inspiratory pressure peak airway pressure during inspiration