Table 4

Haemodynamic measurements throughout the study period

haematocrit 25%

haematocrit 20%

P value

Median

IQR

Median

IQR

Before haemodilution

MAP (mm Hg)

70

65-79

67

62-78

0.42

CVP (mm Hg)

12

10-15

12

9-14

0.31

CI (l/min/m²)

2.2

1.9-2.5

2.1

1.9-2.4

0.39

SVR (dyn/s/cm^-5)

1045

863-1264

1099

919-1286

0.47

At the end of surgery

MAP (mm Hg)

69

63-87

72

60-80

0.53

CVP (mm Hg)

9

6-12

11

9-14

0.13

CI (l/min/m²)

3.6

3.2-4.2

3.7

3.2-4.1

0.46

SVR (dyn/s/cm^-5)

699

536-811

570

497-788

0.41

1 hour after admission to ICU

MAP (mm Hg)

83

74-92

83

71-89

0.58

CVP (mm Hg)

10

8-13

12

7-14

0.46

CI (l/min/m²)

3.0

2.6-3.4

3.2

2.8-3.7

0.24

SVR (dyn/s/cm^-5)

952

792-1160

798

694-952

0.02

6 hours after admission to ICU

MAP (mm Hg)

79

71-85

73

68-82

0.05

CVP (mm Hg)

10

7-12

11

8-13

0.77

CI (l/min/m²)

3.1

2.6-3.6

3.0

2.6-3.6

0.74

SVR (dyn/s/cm^-5)

870

719-1197

811

611-935

0.26

18 hours after admission to ICU

MAP (mm Hg)

81

73-89

75

69-89

0.54

CVP (mm Hg)

9

5-13

9

8-11

0.63

CI (l/min/m²)

3.2

2.8-4.2

3.5

2.9-4.0

0.68

SVR (dyn/s/cm^-5)

848

694-1022

754

629-963

0.61

CI = cardiac index; CVP = central venous pressure; ICU = intensive care unit; IQR = interquartile range; MAP = mean arterial pressure; SVR = systemic vascular resistance

Sander et al. Critical Care 2009 13:R149   doi:10.1186/cc8045