Table 1 Conventional ventilation versus APRV
| Â | APRV time (hours) | ||||
|---|---|---|---|---|---|
| Â | Pre-enrollment to APRV | T1 | T24 | T48 | T72 |
PIP/Phigh (cmH2O) | 36.6 ± 11.5 | 33.3 ± 5.7 | 30.3 ± 5.5 | 29 ± 1.4 | 25.5 ± 2.1 |
MAP (cmH2O) | 17.9 ± 5.9 | 27 ± 2.64 | 24.6 ± 4.16 | 23.5 ± 0.7 | 21.6 ± 2.3 |
PEEP/Plow (cmH2O) | 13.3 ± 1.5 | 0 | 0 | 0 | 0 |
Thigh (sec) |  | 3.6 ± 0.5 | 3.7 ± 0.4 | 3.8 ± 0.2 | 3.65 ± 0.21 |
Tlow (sec) |  | 0.73 ± 0.2 | 0.76 ± 0.11 | 0.9 ± 0 | 0.75 ± 0.21 |
VTe (mL/kg) | 8.3 ± 1.5 | 13.2 ± 1.1 | 12 ± 1.7 | 11.0 ± 1.41 | 9.5 ± 6.7 |
Set FiO2 (%) | 96.6 ± 2.3 | 68.3 ± 11.5 | 60.0 ± 5 | 57.5 ± 3.5 | 52.5 ± 3.5 |
| Â | Â | T4 | T24 | T48 | T72 |
pH | 7.23 ± 9.7 | 7.32 ± 9.5 | 7.35 ± 6.42 | 7.34 ± 4.9 | 7.39 ± 1.41 |
pCO2, mmHg | 72.3 ± 21.4 | 63.4 ± 16.8 | 61.4 ± 7.85 | 56.4 ± 6.43 | 57.0 ± 12.7 |