Table 2 Changes in haemodynamics and blood gases from baseline to end-surgery in the two groups of patients receiving balanced anaesthesia or total intravenous anaesthesia

MAP (mmHg)

94 ± 18

86 ± 13*

92 ± 14

81 ± 12**

0.642

HR (bpm)

67 ± 13

71 ± 11

70 ± 13

71 ± 14

0.521

CI (ml/m²/min)

2.4 ± 0.7

3.2 ± 0.6***

2.6 ± 0.5

2.8 ± 0.7

0.005

SVRI (dyn*s*cm^− 5)

2800 [2352–3224]

1839 [1691–2085]***

2488 [2203–2952]

2119 [1754–2350]***

–

pH

7.42 [7.39–7.47]

7.40 [7.38–7.43]

7.43 [7.42–7.44]

7.41 [7.37–7.45]

–

PaO₂ (mmHg)

70 [62–88]

159 [145–207]**

72 [63–166]

194 [134–235]***

–

PaCO₂ (mmHg)

38 ± 4

38 ± 4

37 ± 3

39 ± 5*

0.027

Base excess (mEq/l)

0.5 [−0.3, + 2.5]

− 0.4 [− 3.2, + 1.2]**

0.5 [− 1.4, + 1.2]

− 0.4 [− 1.9, + 2.4]

–

ScvO₂ (%)

72 [69–78]

90 [82–92]***

79 [70–90]#

91 [86–94]**

–

Lactate (mmol/l)

0.6 [0.6–0.8]

1.3 [1.1–1.9]***

0.7 [0.6–1.0]

1.3 [1.0–1.5]***

–

Hb (g/dl)

13.3 ± 2.0

11.8 ± 0.8***

13.4 ± 1.6

11.8 ± 1.3***

0.793

Glucose (mg/dl)

96 [86–107]

121 [105–131]***

102 [95–112]

125 [106–141]***

–