Table 3.
Changes in inspiratory plateau pressure (pplat), tidal volume (VT) and static compliance (Cstat) during lateral posture in seven patients (mean ± standard deviation, *P<0·05). ‘All values are derived from the ventilators calculation and they refer to the whole lung (left and right)’.
| Position | pplat (cm H2O) | VT (ml) | Cstat (ml cm−1 H2O) |
|---|---|---|---|
| 60° left | 26·1 ± 2* | 460 ± 89* | 38·7 ± 7* |
| 50° left | 25·6 ± 2 | 476 ± 92 | 41·1 ± 7* |
| 40° left | 25·0 ± 1 | 475 ± 92 | 43·1 ± 8 |
| 30° left | 24·9 ± 2 | 492 ± 83 | 44·0 ± 8 |
| 20° left | 24·7 ± 2 | 483 ± 83 | 44·1 ± 9 |
| 10° left | 24·4 ± 2 | 478 ± 87 | 42·3 ± 7 |
| Supine | 24·6 ± 3 | 479 ± 96 | 44·0 ± 7 |
| 10° right | 25·1 ± 2 | 491 ± 86 | 42·1 ± 10 |
| 20° right | 25·3 ± 2 | 499 ± 79 | 43·4 ± 10 |
| 30° right | 25·1 ± 2 | 486 ± 80 | 42·0 ± 7* |
| 40° right | 25·1 ± 2 | 499 ± 74 | 44·9 ± 9 |
| 50° right | 25·6 ± 1 | 484 ± 81 | 40·9 ± 6 |
| 60° right | 25·0 ± 2 | 491 ± 82 | 42·0 ± 8 |
Bold values given under ‘supine’ are the reference for other values