Table 1 Hemodynamic parameters measured in responders and non responders

Heart rate, time (T)0, beats/minute

6

82

0.2

75 to 100

73 to 90

Heart rate, T1, beats/minute

80

81

0.8

72 to 86

71 to 88

Heart rate change T0 to T1, beats/minute

−6

−1

0.001

−11 to 2

−3.5 to 1.5

Systolic pressure, T0, mmHg/ml

124

112

0.9

110 to 135

101.5 to 142.5

Systolic pressure, T1, mmHg/ml

137

125

0.39

123 to 151

116.5 to 150

Systolic pressure change T0 to T1, mmHg/ml

15

12

0.06

11 to 20

2.5 to 16

Cardiac index, T0, L/minute

2.2

2.45

0.18

2.1 to 2,4

2.1 to 2.8

Cardiac index, T1, L/minute

2.95

2.8

0.02

2.7 to 3.3

2.27 to 3

Cardiac index change, T0 to T1, %

36.1

5.25

<0.0001

27.2 to 42

3.65 to 12

Central venous pressure, T0, mmHg

9.8

10

0.15

7.8 to 11.9

11 to 12.5

Central venous pressure, T1, mmHg

13

13.5

0.49

10.5 to 13.9

12 to 15

Central venous pressure change, T0 to T1, mmHg

3

2

0.01

2 to 3

1 to 2

Pulse pressure variation, T0, %

22.5

12.2

<0.0001

18 to 32

18 to 32

Pulse pressure variation, T1, %

9.5

7.9

0.20

7 to 16.5

5.65 to 13.5

Pulse pressure variation change, T0 to T1, %

−14

−3.4

<0.0001

−16 to −7

−5.2 to 2.5

IJV distensibility T0, %

24.15

9.8

<0.0001

20 to 29

7.6 to 13.8

IJV distensibility, T1, %

8.9

12.2

0.07

4.9 to 13.4

9.1 to 13.8

IJV distensibility change T0 to T1, %

−12.5

1.1

<0.0001

−19.4 to10.9

−1.5 to 3.1

Norepinephrine, T0, mcg kg⁻¹ min⁻¹

0.1

0.1

0.5

0.05 to 0.2

0.04 to 0.2

Norepinephrine, T1, mcg kg⁻¹ min⁻¹

0.09

0.14

0.1

0.05 to 0.2

0.0 to 0.3