Plasma catecholamine concentrations (mean (SD)) before and after endotracheal suction and their changes (mean of the difference with 95% CI)
| Dose (mg/kg) | Adrenaline (nmol/l) | Noradrenaline (nmol/l) | |||||
|---|---|---|---|---|---|---|---|
| Before | After | Change | Before | After | Change | ||
| Placebo | 0.9 (0.8) | 0.8 (0.6) | 0.1 (−0.3 to 0.6) | 4.3 (2.5) | 4.7 (2.4) | −0.5 (−2.0 to 1.1) | |
| 0.5 | 1.5 (0.9) | 0.6 (0.5)4-150 | 0.8 (0.3 to 1.3) | 4.7 (3.1) | 4.3 (2.0) | 0.5 (−0.8 to 1.7) | |
| 1 | 0.9 (0.7) | 0.6 (0.6) | 0.2 (−0.2 to 0.7) | 4.1 (3.4) | 4.9 (4.1) | −0.8 (−1.9 to 0.2) | |
| 2 | 0.8 (0.6) | 0.9 (0.5) | 0.0 (−0.4 to 0.4) | 3.9 (1.9) | 5.4 (2.8)4-150 | −1.6 (−3.1 to 0.0) | |
↵4-150 p<0.05 compared with presuction values.