Skip to main content

Table 3 Renal effects of sepsis in pigs with and without acute kidney injury

From: Searching for mechanisms that matter in early septic acute kidney injury: an experimental study

 

Baseline

12 hours

18 hours

22 hours

Creatinine (μmol/L)

AKI

98 (88-105)

105 (91-134)

124 (89-164)

137 (130-176)abc

Non-AKI

94 (90-109)

96 (81-102)

95 (87-106)

101 (89-111)

Control

83 (75-96)

82 (72-100)

90 (76-101)

88 (77-99)

Diuresis (ml/kg/h)

AKI

1.5 (1.3-2)

2.0 (1.6-2.8)

2.1 (0.9-4.7)

0.7 (0.1-1.2)bc

Non-AKI

1.9 (1.4-2.4)

4.2 (2.7-4.9)a

4.2 (2.2-6.4)a

1.5 (1.2-3.2)

Control

2.4 (1.8-3.2)

3.9 (2.3-6.6)

3.3 (2.5-5.7)

2.2 (1.8-3.2)

Renal perfusion pressure (mm Hg)

AKI

91 (85-101)

70 (58-83)

64 (55-78)a

60 (53-73)a

Non-AKI

91 (76-97)

76 (64-83)

65 (57-71)a

59 (52-69)a

Control

86 (78-91)

70 (68-82)

67 (59-77)a

71 (51-77)a

Renal venous pressure (mm Hg)

AKI

14 (12-15)

17 (15-19)

18 (18-19)ab

19 (18-21)a

Non-AKI

14 (11-15)

16 (15-17)

18 (15-20)a

20 (18-22)a

Control

11 (9-16)

14 (13-16)

14 (12-16)

17 (13-18)

Change of renal vascular resistance from baseline (%)

AKI

100 (100-100)

114 (78-145)

111 (95-183)

242 (121-9,430)abc

Non-AKI

100 (100-100)

94 (75-110)

82 (58-113)

92 (69-112)

Control

100 (100-100)

112 (89-118)

101 (63-125)

81 (59-118)

Renal VO 2 (ml/min/kg)

AKI

0.2 (0.2-0.3)

0.2 (0.1-0.3)

0.2 (0.1-0.2)

0.1 (0-0.2)a

Non-AKI

0.2 (0.1-0.2)

0.2 (0.2-0.2)

0.2 (0.2-0.2)

0.2 (0.2-0.2)

Control

0.1 (0.1-0.2)

0.1 (0.1-0.2)

0.1 (0.1-0.2)

0.2 (0.1-0.2)

Renal cortical microcirculation (laser Doppler flowmetry) (% of baseline value)

AKI

100 (100-100)

61 (43-80)ab

62 (45-97)a

48 (27-67)a

Non-AKI

100 (100-100)

70 (57-108)

70 (60-100)

61 (49-86)a

Control

100 (100-100)

97 (73-125)

70 (63-109)

73 (58-118)

Base excess renal vein (mmol/L)

AKI

7.3 (6.1-8.5)

3.3 (0.1-6.7)b

2.9 (-5.6-6.7)

-1.9 (-11.8-3.3)ab

Non-AKI

8.9 (6.7-11)

6.2 (5.4-9.1)

4.9 (3.9-9.1)

4.1 (1.6-10.2)

Control

8.7 (7-13.7)

7.8 (6.9-9.7)

7.8 (5.3-9.6)

6.7 (4.8-7.4)

Lactate/pyruvate ratio: renal vein

AKI

11 (7-17)

15 (12-21)

20 (9-43)

28 (18-43)

Non-AKI

10 (7-20)

7 (5-18)

13 (5-27)

10 (7-19)

Control

16 (9-21)

7 (6-20)

16 (7-32)

8 (6-17)

  1. AKI, septic animals with acute kidney injury; Control, sham-operated group; DO2 systemic, systemic oxygen delivery; IL-6, interleukin 6; Infusion, sepsis induced by bacterial infusion; ITBV, intrathoracic blood volume; Non-AKI, septic animals without acute kidney injury development; PaO2/FiO2, ratio between arterial oxygen tension and the inspired fraction; Peritonitis, peritonitis-induced group; renal VO2, renal oxygen uptake; TBARS, thiobarbituric acid-reactive species; TNF-α, tumor necrosis factor alpha; VO2 systemic, systemic oxygen uptake; asignificant difference within each group versus baseline (P < 0.05); bsignificant difference between the Control group and any of the septic groups (P < 0.05); csignificant difference of the AKI versus the Non-AKI group (P < 0.05).