Table 2.
Gas exchange and mechanical ventilation data before and throughout the first week after MRS
| Before MRS | After MRS | Day 3 | Day 5 | Day 7 | |
|---|---|---|---|---|---|
| PaO2/FiO2 | 125 ± 43 | 302 ± 102 | 339 ± 142 | 345 ± 110 | 350 ± 102 |
| PaCO2 (mmHg) | 48 ± 13 | 56 ± 16 | 52 ± 13 | 44 ± 10 | 42 ± 9 |
| pH | 7.26 ± 0.11 | 7.20 ± 0.12 | 7.26 ± 0.10 | 7.37 ± 0.09 | 7.41 ± 0.07 |
| BE | -5.7 ± 6.0 | -7.2 ± 5.4 | -4.7 ± 5.2 | -0.5 ± 5.1 | 1.7 ± 4.1 |
| PEEP(cmH2O) | 11.7 ± 3.8 | 24.6 ± 2.9 | 23.1 ± 3.3 | 19.5 ± 4.3 | 17.2 ± 3.7 |
| Pplat (cmH2O) | 26.7 ± 3.8 | 39.9 ± 4.3 | 37.2 ± 4.4 | 32.8 ± 6.8 | 29.7 ± 6.3 |
| ΔP (cmH2O) | 15 ± 0 | 15.4 ± 3.4 | 14.1 ± 3.3 | 13.3 ± 4.6 | 12.3 ± 4.6 |
| VT (ml/kg) | ------- | 6.9 ± 1.4 | 7.2 ± 1.9 | 8.6 ± 1.8 | 8.8 ± 1.5 |
| FiO2 (%) | 100 | 45 ± 17 | 41 ± 18 | 35 ± 11 | 37 ± 16 |
ΔP, driving pressure; BE, base excess; FiO2, oxygen inspiratory fraction; PEEP, positive airway expiratory pressure; Pplat, plateau inspiratory pressure; VT, tidal volume. Data expressed as mean ± standard deviation