| PEEP 5 cmH2O | PEEP 16 cmH2O |
---|
PIP, cmH2O | 33 | 33 |
Pplat, cmH2O | 29 | 29 |
PEEPTOT, cmH2O | 15 | 18 |
PEEPI, cmH2O | 10 | 2 |
ΔP, cmH2O | 14 | 11 |
VT, mL | 300 | 300 |
Pes,ei, cmH2O | 25 | 25 |
Pes,ee, cmH2O | 20 | 20 |
CTOT, mL/cmH2O | 21 | 27 |
Cw, mL/cmH2O | 60 | 60 |
Clung, mL/cmH2O | 33 | 50 |
Lung volume,ee, mL | 713 | 730 |
Lung volume,ei, mL | 995 | 1011 |
ΔEELV, mL | – | 16 |
- Abbreviations: Clung lung compliance, CTOT Respiratory system compliance (total), Cw chest wall compliance (chest wall), EELV End-expiratory lung volume, Lung volume, ee End-expiratory lung volume, Lung volume, ei End-inspiratory lung volume, PEEPI Intrinsic PEEP, PEEPTOT Total PEEP, PIP Peak inspiratory pressure, Pplat Plateau pressure, ∆P Driving pressure, Pes,ee End-expiratory esophageal pressure, Pes,ei End-inspiratory esophageal pressure, VT Tidal volume
- Gas content volumes were calculated from computed tomography (CT) numbers analyzed from -1000 Hounsfield unit (HU) to 0 HU in each voxel [3]. Lung volume was calculated using the following formula: Gas content volume = SUM (-CT number / 1000 * voxel volume)