Table 2.
Haemodynamic parameters and bispectral index during anaesthesia.
| L group | H group | P | |
|---|---|---|---|
| T0 | |||
| MBP (mmHg) | 100 ± 17 | 101 ± 14 | 0.66 |
| HR (beats·min−1) | 77 ± 12 | 74 ± 14 | 0.17 |
| BIS | 96 ± 4 | 96 ± 3 | 0.18 |
| T1 | |||
| MBP (mmHg) | 73 ± 11 | 70 ± 9 | 0.13 |
| HR (beats·min−1) | 66 ± 11 | 58 ± 12 | <0.001 |
| BIS | 45 ± 3 | 47 ± 5 | 0.04 |
| T2 | |||
| MBP (mmHg) | 86 ± 19 | 74 ± 11 | <0.001 |
| HR (beats·min−1) | 70 ± 14 | 61 ± 12 | <0.001 |
| BIS | 54 ± 5 | 48 ± 5 | <0.001 |
| T3 | |||
| MBP (mmHg) | 88 ± 13 | 84 ± 10 | 0.09 |
| HR (beats·min−1) | 66 ± 9 | 63 ± 11 | 0.13 |
| BIS | — | — | — |
| Vasopressor | |||
| Phenylephrine | |||
| Incidence | 16/63 | 16/63 | 1.00 |
| Dosage (μg) | 27 ± 101 | 31 ± 116 | 0.98 |
| Ephedrine | |||
| Incidence | 2/63 | 2/63 | 1.00 |
| Dosage (μg) | 0.13 ± 0.71 | 0.19 ± 0.86 | 0.88 |
| Atropine | |||
| Incidence | 9/63 | 13/63 | 0.35 |
| Dosage (μg) | 0.07 ± 0.18 | 0.10 ± 0.20 | 0.65 |
| Vasodepressor | |||
| Nicardipine (mg) | — | — | — |
| Esmolol (mg) | — | — | — |
Values are expressed as mean ± standard deviation or number of patients.
L group: propofol-low dose remifentanil group; H group: propofol-high dose remifentanil group; T0: baseline value; T1: just before endotracheal intubation; T2: just after endotracheal intubation; T3: on arrival at postanesthetic care unit; MBP: mean systemic arterial blood pressure; HR: heart rate; BIS: bispectral index.