Table 2.
Respiratory mechanics and hemodynamic data
| Pre-ope | opeP0 | opeP5.1 | opeP5.2 | opeP10.1 | opeP10.2 | |
|---|---|---|---|---|---|---|
| PIP (cmH2O) | 12 ± 2 | 13 ± 2 | 17 ± 2*,# | 16 ± 2*,# | 21 ± 2*,#,§,‡ | 20 ± 2*,#,§,‡ |
| PaCO2 (mmHg) | 44 ± 5 | 44 ± 6 | 43 ± 6 | 42 ± 6 | 43 ± 6 | 43 ± 6 |
| Compliance(ml/cmH2O) | 36 ± 10 | 35 ± 9 | 35 ± 9 | 37 ± 9 | 38 ± 9 | 41 ± 10#,§ |
| MAP (mmHg) | 98 ± 12 | 114 ± 9* | 117 ± 22* | 109 ± 14 | 110 ± 19 | 113 ± 14 |
| Heart rate (bpm) | 63 ± 10 | 72 ± 16 | 75 ± 16* | 76 ± 15* | 82 ± 17* | 81 ± 17* |
Data are expressed as mean ± SD
Quasistatic compliance = tidal volume/(inspiratory plateau pressure − PEEP)
ope operation, P postoperative day, PIP peak inspiratory pressure, MAP maximum arterial pressure
* P < 0.01 versus pre-operative (pre-ope), # P < 0.01 versus opeP0, § P < 0.01 versus opeP5.1, ‡ P < 0.01 versus opeP5.2