Table 5

Univariate analysis of intra-operative hemodynamic factors in patients with and without AKI.

NO AKI (n = 445)

AKI (n = 243)

p value


Surgery start

Heart rate (beats per minute)

85 ± 15

86 ± 17

0.75

MAP (mm Hg)

75 ± 13

77 ± 13

0.14

CVP (mm Hg)

12.6 ± 5.4

12.7 ± 5.2

0.76

MPAP (mm Hg)

19 ± 5.8

20.6 ± 8.0

0.17

PAWP (mm Hg)

15.3 ± 4.9

16.0 ± 5.3

0.34

CO (L/min)

8.5 ± 3.3

9.7 ± 3.7

0.00001

SV (ml)

101 ± 37

117 ± 72

0.00001

SVR (dynes)

667 ± 279

599 ± 240

0.00002

Cross-clamp

Heart rate (beats per minute)

99.0 ± 17.0

103.0 ± 16.0

0.001

MAP

82.0 ± 12.5

84.0 ± 13.0

0.043

CVP

10.1 ± 5.4

9.3 ± 5.4

0.10

MPAP

14.3 ± 6.3

14.7 ± 7.2

0.87

PAWP

11.8 ± 4.7

11.5 ± 4.4

0.74

CO

6.9 ± 2.4

7.8 ± 7.5

0.23

SV

71.0 ± 26.9

77.8 ± 64.0

0.97

SVR

950.0 ± 415.0

970.0 ± 491.0

0.86

Post-cross-clamp

Heart rate (beats per minute)

98.0 ± 14.0

98.0 ± 15.0

0.50

MAP

74.0 ± 10.6

75.0 ± 10.4

0.50

CVP

12.1 ± 4.6

12.3 ± 4.9

0.60

MPAP

20.0 ± 5.3

21.0 ± 7.1

0.16

PAWP

14.7 ± 4.8

15.3 ± 4.5

0.32

CO

11.0 ± 3.7

12.6 ± 3.7

0.00001

SV

114.0 ± 38.0

134 ± 77

0.00003

SVR

482.0 ± 167.0

432.0 ± 161.0

0.00003


Abbreviations: CO, cardiac output; CVP, central venous pressure; MAP, mean arterial pressure; MPAP, mean pulmonary artery pressure; PAWP, pulmonary artery wedge pressure; SV, stroke volume; SVR, systemic vascular resistance.

Iglesias et al. BMC Nephrology 2010 11:30   doi:10.1186/1471-2369-11-30

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