Table 3.
Measurements during anaesthesia and surgery. Values are mean (sd). *P>0.05, **P<0.001
| Group 1: hypocapnia | Group 2: hypercapnia | |
|---|---|---|
| Duration of anaesthesia (min) | 184 (43) | 170 (50) |
| BIS | 41 (3) | 43 (5) |
| Propofol (g) | 1.7 (0.4) | 1.5 (0.5) |
| Remifentanil (μg kg−1 min−1) | 0.21 (0.06) | 0.19 (0.08) |
| Rocuronium (mg) | 223 (65) | 201 (94) |
| Sugammadex (mg) | 317 (77) | 334 (96) |
| Post tetanic count | 3.2 (2.4) | 3.8 (3.3) |
| Retroperitoneal pressure (mm Hg) | 11 (1) | 11 (1) |
| Leiden Surgical Rating Scale | 4.84 (0.4) | 4.77 (0.4)* |
| Mean arterial pressure | 85 (10) | 81 (9)* |
| Heart rate (min−1) | 68 (11) | 69 (9)* |
| Cardiac output (L min−1) | 3.9 (1.1) | 4.4 (1.3)* |
| Arterial (kPa) Arterial range (kPa) |
4.5 (0.6) 3.8–5.6 |
6.9 (0.6)** 6.1–8.1 |
| End-tidal (kPa) End-tidal range (kPa) |
3.4 (0.2) 3.0–3.7 |
5.7 (0.5)** 4.9–6.8 |
| Minute volume (L min−1) | 12.5 (2.1) | 7.1 (1.3)** |
| Respiratory rate (min−1) | 20.3 (3.0) | 12.7 (1.6)** |
| Inspiratory pressure (cm H2O) | 24 (4) | 22 (2)* |
| Peep (cm H2O) | 5 (0.6) | 5 (0.3)* |