Table 1.
Partial pressures of O2 and CO2, saturation of oxygen and pH in arterial blood
| Timepoint | |||
|---|---|---|---|
| Variable | Group | T5 | T30 |
| PaO2 (kPa) | C | 9.6 ± 2.2 | 10.1 ± 1.9 |
| L | 10.0 ± 1.7 | 8.5 ± 1.9 | |
| PaCO2 (kPa) | C | 6.2 ± 1.0 | 6.3 ± 0.6 |
| L | 6.8 ± 0.5 | 7.2 ± 1.0 | |
| SaO2 (%) | C | 92 ± 6 | 94 ± 3 |
| 94 (82–97) | 95 (88–97) | ||
| L | 92 ± 3 | 87 ± 10 | |
| 92 (88–96) | 93 (68–95) | ||
| pH | C | 7.38 ± 0.04 | 7.38 ± 0.03 |
| L | 7.32 ± 0.01** | 7.32 ± 0.05* | |
Mean values (±SD) at 5 and 30 min after start of surgery (T5 and T30) in control pigs (group C, n = 8) and in pigs receiving epidural lidocaine (group L, n = 7) during azaperone-detomidine-butorphanol-ketamine anaesthesia. PaO2: partial pressure of arterial oxygen; PaCO2: partial pressure of arterial carbon dioxide; SaO2: arterial oxygen saturation of haemoglobin. Significant differences between groups: * = P < 0.05; ** = P < 0.01. Significant differences to T5 are denoted (=P < 0.05)