Table 2.
Changes in mean arterial pressure (MAP), heart frequency (HF), and arterial oxygen saturation (SaO2) during lateral posture in seven patients (mean ± standard deviation, *P<0·05).
| Position | MAP (mmHg) | HF (bpm) | SaO2 (%) |
|---|---|---|---|
| 60° left | 91 ± 22* | 89 ± 9 | 97·9 ± 3·2 |
| 50° left | 88 ± 19* | 89 ± 9 | 98·0 ± 2·8 |
| 40° left | 86 ± 18* | 90 ± 8 | 97·6 ± 2·7 |
| 30° left | 82 ± 15 | 89 ± 8 | 97·7 ± 3·0 |
| 20° left | 81 ± 13 | 89 ± 8 | 97·9 ± 3·2 |
| 10° left | 77 ± 12 | 86 ± 11 | 97·6 ± 3·2 |
| Supine | 75 ± 10 | 89 ± 8 | 98·6 ± 1·6 |
| 10° right | 70 ± 8 | 93 ± 9 | 97·7 ± 2·8 |
| 20° right | 71 ± 9 | 93 ± 10 | 97·9 ± 2·5 |
| 30° right | 75 ± 13 | 92 ± 9 | 97·4 ± 2·9 |
| 40° right | 76 ± 13 | 92 ± 9* | 97·6 ± 2·8 |
| 50° right | 76 ± 16 | 91 ± 10 | 97·4 ± 2·8 |
| 60° right | 76 ± 16 | 90 ± 11 | 97·4 ± 2·8 |
Bold values given under ‘supine’ are the reference for other values