Table 3 Results of the haemodynamic data

Heart rate (l/min)

0.925

   Group A

60 ± 12

76 ± 14

78 ± 13

84 ± 18

84 ± 7

92 ± 10

   Group B

59 ± 8

72 ± 9

78 ± 12

81 ± 12

87 ± 12

97 ± 12

Stroke volume index (ml/m²)

0.026

   Group A

38.5 ± 6.5

33.5 ± 9.1

31.9 ± 8.2

32.8 ± 9.0

36.9 ± 13.8

36.1 ± 7.4

   Group B

36.4 ± 5.7

30.2 ± 5.8

27.6 ± 8.0

27.6 ± 7.5

31.3 ± 10.0

30.1 ± 5.0

Cardiac index (l/min/m²)

0.010

   Group A

2.3 ± 0.45

2.4 ± 0.39

2.4 ± 0.63

2.7 ± 0.63

3.0 ± 0.98

3.4 ± 0.94

   Group B

2.2 ± 0.36

2.2 ± 0.31

2.0 ± 0.41

2.2 ± 0.44

2.6 ± 0.38

2.9 ± 0.49

Stroke volume variation (%)

0.873

   Group A

1.5 ± 0.8

2.3 ± 3.3

3.4 ± 5.3

2.2 ± 1.8

4.5 ± 11.5

2.0 ± 0.7

   Group B

2.6 ± 3.9

3.1 ± 2.9

4.9 ± 8.5

2.8 ± 3.1

2.5 ± 1.5

2.5 ± 1.0

Intrathoracic blood volume index (ml/m²)

0.387

   Group A

861 ± 132

829 ± 129

875 ± 120

882 ± 122

923 ± 137

975 ± 136

   Group B

845 ± 153

811 ± 151

831 ± 192

831 ± 169

871 ± 128

919 ± 214

Systemic vascular resistance index (dyn s/cm⁵ m²)

0.005

   Group A

2,663 ± 414

2,031 ± 492

2,701 ± 604^†

2,418 ± 534

2,076 ± 514

2,052 ± 430

   Group B

2,732 ± 424

2,279 ± 428

3,499 ± 964

2,902 ± 659

2,470 ± 505

2,227 ± 507