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Table 3 Blood gas parameters during hemorrhage and fluid resuscitation

From: Volume-replacement ratio for crystalloids and colloids during bleeding and resuscitation: an animal experiment

 

Group

T bsl

T 0

T 1

T 2

T 3

T 4

pH

HES

7.613 ± 0.038#

7.603 ± 0.061#

7.568 ± 0.068#

7.54 ± 0.052

7.513 ± 0.043*

7.519 ± 0.042*

RF

7.541 ± 0.049

7.498 ± 0.063

7.448 ± 0.055*

7.393 ± 0.161*

7.464 ± 0.055*

7.48 ± 0.061*

PaCO2 (mmHg)

HES

28.1 ± 3.2

24.3 ± 3.8#

26.1 ± 4.6#

28.4 ± 4.4#†

29.9 ± 3.1#†

30.8 ± 4.5

RF

33.8 ± 5.3

33.9 ± 7.4

39.1 ± 6.8

38.6 ± 6.8

39.4 ± 6.6

38.3 ± 6.0

PaO2 (mmHg)

HES

87.5 ± 12.2

102.8 ± 11.0*

100.4 ± 9.6*

95.8 ± 8.7

90.3 ± 13.0

84.5 ± 14.6

RF

99.0 ± 24.7

102.0 ± 25.7

96.7 ± 27.8

99.2 ± 29.3

94.9 ± 27.5

99.6 ± 30.9

HCO 3 (mmol/l)

HES

27.6 ± 2.3

24.4 ± 1.8*

23.0 ± 1.5#*

23.1 ± 2.0*

23.5 ± 1.2#*

24.4 ± 1.7#*

RF

28.1 ± 1.4

25.5 ± 4.0

26.3 ± 3.3

26.6 ± 3.6

27.5 ± 2.7

27.7 ± 2.5

SaO2 (%)

HES

97.8 ± 0.4

98.4 ± 0.3

98.2 ± 0.3

98 ± 0.4

97.7 ± 0.5

97.7 ± 0.4

RF

97.8 ± 1.2

97.8 ± 1.1

96.5 ± 2.7

96.9 ± 2.4

96.8 ± 2.2

96.8 ± 2.6

Lactate (mmol/L)

HES

3.8 ± 2.0

6.9 ± 3.7*

8.1 ± 3.0#*

7.6 ± 2.2#*

7.1 ± 2.0#*

5.5 ± 1.9#*

RF

2.1 ± 0.8

4.3 ± 2.0*

4.7 ± 2.0*

4.2 ± 1.8*

3.8 ± 1.7*

3.3 ± 1.4*

Hct (%)

HES

30.0 ± 4.8

26.7 ± 5.3

23.8 ± 5.2*

22.5 ± 4.5*

20.6 ± 3.5*

19.3 ± 3.9*

RF

34.5 ± 4.6

30.5 ± 5.6*

27.1 ± 4.5*

25.1 ± 3.9*

23 ± 2.6*

22.4 ± 3.1*

Hb (g/dL)

HES

9.8 ± 1.2

8.9 ± 1.4

8.1 ± 1.5*

7.7 ± 1.3*

7.1 ± 0.9*

6.7 ± 1.0*

RF

10.9 ± 1.2

9.9 ± 1.6

9 ± 1.3*

8.4 ± 1.1*

7.7 ± 0.9*

7.7 ± 1.0*

Ca++ (mmol/L)

HES

0,87 ± 0,18

0,84 ± 0,23

0,84 ± 0,17

0,82 ± 0,24

0,84 ± 0,23

0,87 ± 0,29

RF

0,93 ± 0,3

0,87 ± 0,2

0,94 ± 0,23

0,86 ± 0,25

0,91 ± 0,31

0,89 ± 0,27

K+ (mmol/L)

HES

2,48 ± 0,32

2,96 ± 0,49

3,04 ± 0,38*

2,98 ± 0,29*

2,9 ± 0,44

2,8 ± 0,48

RF

2,84 ± 0,44

3,11 ± 0,33

3,33 ± 0,34*

3,24 ± 0,27

3,22 ± 0,32

3,2 ± 0,27

Na+ (mmol/L)

HES

139,9 ± 1,2

139,5 ± 1,2

140,7 ± 0,7

141,1 ± 1*

141,1 ± 0,9

141,2 ± 0,8

RF

138,9 ± 3,2

138,8 ± 3,2

139,7 ± 3,1

139,8 ± 2,8

139 ± 4,3

140,3 ± 2,9*

Cl (mmol/L)

HES

98 ± 1,9

98,7 ± 2,2

99,9 ± 1,7*

100,4 ± 1,3*

101,1 ± 1,8*

101,7 ± 1,5*

RF

97,1 ± 2,4

98,1 ± 2,7

99,6 ± 2,7*

100,4 ± 2,3*

100,4 ± 2,4*

102 ± 2,9*

Glucose (mmol/L)

HES

8,1 ± 2,2

9,3 ± 3,5

6,8 ± 2,3

6 ± 1,8

6,4 ± 1

6,8 ± 0,8

RF

9 ± 2,9

10,9 ± 3,3

7,6 ± 3,3

6,4 ± 2,9*

6,2 ± 1,9*

6,1 ± 1,4*

cv pH

HES

7.578 ± 0.039#

7.537 ± 0.07#

7.516 ± 0.069#

7.49 ± 0.047#*

7.476 ± 0.035*

7.495 ± 0.034*

RF

7.503 ± 0.049

7.416 ± 0.049*

7.39 ± 0.047*

7.41 ± 0.05*

7.427 ± 0.055*

7.442 ± 0.051*

PcvCO2 (mmHg)

HES

31.4 ± 2.7#

30.3 ± 4.7#

30.8 ± 5.3#

31.7 ± 3.6#

33.2 ± 3.7#

33 ± 3.7#

RF

39.4 ± 7.6

43.2 ± 7.6

47.6 ± 6.9*

46.1 ± 7.1

44.3 ± 7.5

42.1 ± 6.6

PcvO2 (mmHg)

HES

46.7 ± 8.1

36.0 ± 9.9*

40.7 ± 7.8*

44.5 ± 7.8

46.8 ± 5.2

45.4 ± 8.7

RF

48.3 ± 7.2

34.9 ± 4.0*

39.3 ± 4.1*

44.8 ± 3.3

46.2 ± 5.2

48.6 ± 6.7

ScvO2 (%)

HES

83.9 ± 7.3

69.1 ± 14.2*

76.0 ± 9.9*

79.7 ± 5.9*

82.6 ± 4.2

82.8 ± 4.8

RF

83.5 ± 8.1

59.9 ± 6.6*

65.7 ± 7.9*

72.7 ± 7.4*

76.2 ± 6.4*

79.0 ± 8.1*

Oxygen delivery index (mL/min/m2)

HES

431.7 ± 83.9

203.5 ± 48.3*

271.8 ± 55.7*

295.1 ± 59.8*

322.4 ± 60.7*

348.1 ± 57.7*

RF

460.3 ± 43.0

251.9 ± 83.5*

269.2 ± 70.6*

282.0 ± 54.6*

296.4 ± 44.8*

354.6 ± 61.6*

Oxygen consumption

(index mL/min/m2)

HES

58.6 ± 26.8

58.7 ± 27.6

62.3 ± 34.7

55.0 ± 21.8

49.7 ± 16.2

52.9 ± 20.5

RF

65.2 ± 32.9

97.5 ± 36.9*

85.3 ± 22.5*

69.4 ± 16.5

63.4 ± 23.5

65.5 ± 31.0

Oxygen extraction (%)

HES

14.2 ± 7.2

29.8 ± 14.2*

22.6 ± 9.9*

18.6 ± 6.0

15.5 ± 4.5

15.2 ± 5.1

RF

14.5 ± 8.2

38.8 ± 6.8*

32.0 ± 7.1*

25.0 ± 6.2*

21.3 ± 6.5*

18.4 ± 8.3*

Venous to arterial carbon dioxide gap (mmHg)

HES

3.3 ± 1.4

6.0 ± 2.8#*

4.7 ± 2.0#

3.3 ± 1.9#†

3.3 ± 1.2

2.2 ± 1.2

RF

5.6 ± 3.4

9.3 ± 1.6*

8.5 ± 1.7*

7.5 ± 2.6

4.9 ± 2.0

3.8 ± 2.2*

  1. Data are presented as mean ± standard deviation. HES = colloid group, RF = crystalloid group
  2. *p < 0.05 significantly different from T bsl
  3. p < 0.05 significantly different from T 0
  4. # p < 0.05 significantly different between groups