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Table 1 Systemic and intestinal hemodynamic and oxygen transport parameters in sham, normal and increased blood flow groups

From: Increased blood flow prevents intramucosal acidosis in sheep endotoxemia: a controlled study

Parameter

Group

Basal

Endotoxemia

   

30 min

60 min

90 min

120 min

Mean arterial pressure (mmHg)

Sham

81 ± 10

85 ± 15

88 ± 15

91 ± 16

92 ± 19

 

Normal

93 ± 19

89 ± 25

83 ± 23

91 ± 32

94 ± 26

 

Increased

90 ± 17

98 ± 17

89 ± 18

89 ± 21

99 ± 17

Mean pulmonary arterial pressure (mmHg)

Sham

16 ± 3

15 ± 3

16 ± 3

15 ± 4

16 ± 4

 

Normal

15 ± 5

34 ± 9*†

26 ± 8*†

25 ± 7*†

24 ± 6*†

 

Increased

20 ± 4

35 ± 10*†

31 ± 4*†

34 ± 6*†‡

35 ± 6*†‡

Pulmonary wedge pressure (mmHg)

Sham

5 ± 2

5 ± 2

5 ± 1

5 ± 2

5 ± 2

 

Normal

5 ± 2

11 ± 4*†

8 ± 2*†

8 ± 3*†

8 ± 4

 

Increased

6 ± 1

11 ± 4*†

13 ± 6*†

12 ± 3*†

14 ± 5*†‡

Central venous pressure (mmHg)

Sham

5 ± 5

5 ± 3

6 ± 5

5 ± 4

5 ± 4

 

Normal

4 ± 2

5 ± 3

6 ± 2

6 ± 2

5 ± 3

 

Increased

4 ± 2

8 ± 3

9 ± 5*

10 ± 4*†‡

11 ± 4*†‡

Cardiac output (ml/kg per min)

Sham

134 ± 30

148 ± 36

153 ± 37

144 ± 33

151 ± 41

 

Normal

139 ± 43

117 ± 27

135 ± 38

149 ± 42

142 ± 34

 

Increased

157 ± 51

221 ± 64*†‡

257 ± 67*†‡

276 ± 84*†‡

290 ± 91*†‡

Superior mesenteric artery blood flow (ml/min per g)

Sham

498 ± 107

568 ± 126*

551 ± 126*

548 ± 134*

539 ± 131*

 

Normal

553 ± 184

514 ± 152

566 ± 161

573 ± 145

529 ± 169

 

Increased

578 ± 206

803 ± 226*‡

794 ± 209*†‡

863 ± 326*‡

923 ± 370*†‡

 

Increased

362 ± 116

437 ± 75†‡

286 ± 53

336 ± 102

295 ± 75

Systemic oxygen transport (ml/min per kg)

Sham

16.2 ± 4.5

18.0 ± 5.6*

19.0 ± 6.2*

17.8 ± 5.3

18.8 ± 6.1*

 

Normal

16.4 ± 6.6

13.3 ± 4.9

14.0 ± 4.8

16.4 ± 6.4

15.8 ± 5.7

 

Increased

17.2 ± 4.0

23.0 ± 5.5*‡

25.5 ± 6.7*‡

26.0 ± 8.4*‡

26.9 ± 9.9*‡

Systemic oxygen consumption (ml/min per kg)

Sham

6.4 ± 0.8

6.4 ± 1.1

6.8 ± 1.3

6.6 ± 1.2

7.2 ± 1.3

 

Normal

6.4 ± 1.2

5.3 ± 1.2*

5.8 ± 1.6*

6.0 ± 1.5

6.5 ± 1.4

 

Increased

7.6 ± 0.9

7.6 ± 2.0‡

7.3 ± 2.1

7.4 ± 2.2

8.3 ± 3.2

Intestinal oxygen transport (ml/min per kg)

Sham

62.3 ± 22.2

71.4 ± 24.8*

70.8 ± 25.1*

69.9 ± 24.6*

69.1 ± 24.0*

 

Normal

64.0 ± 22.6

56.1 ± 19.3

57.0 ± 15.8

60.8 ± 18.4

56.5 ± 17.0

 

Increased

64.3 ± 16.7

86.4 ± 19.1*‡

81.4 ± 22.1*

82.2 ± 23.5*

87.1 ± 23.6*‡

Intestinal oxygen consumption (ml/min per kg)

Sham

21.7 ± 4.0

21.1 ± 3.7

22.0 ± 3.2

22.7 ± 4.2

21.8 ± 4.7

 

Normal

21.2 ± 4.1

22.1 ± 6.5

22.7 ± 8.9

22.6 ± 7.8

22.4 ± 9.0

 

Increased

29.3 ± 9.7

28.9 ± 9.3

32.5 ± 13.0

29.8 ± 9.4

37.2 ± 12.3†‡

  1. * P < 0.05 versus basal. † P < 0.05 versus sham. ‡ P < 0.05 versus normal. Sham, sham group; normal, normal blood flow group; increased, increased blood flow group.