Table 1 Arterial blood gas variables for all groups during the experiment

pH

SHAM

7.41 ± 0.02

-

7.44 ± 0.03^a

GEL

7.42 ± 0.02

7.36 ± 0.05^a

7.48 ± 0.04^ab

HES 200

7.42 ± 0.03

7.34 ± 0.05^a

7.46 ± 0.02^ab

HES 130

7.42 ± 0.03

7.35 ± 0.03^a

7.4 9 ± 0.03^abcd

pO₂ (Torr)

SHAM

74.9 ± 5.3

-

81.0 ± 9.5

GEL

78.5 ± 4.5

109 ± 3.9^a

87.7 ± 11.8^b

HES 200

78.5 ±8.5

105.2 ± 12.8^a

91.1 ± 18.8

HES 130

79.0 ± 6.5

106.5 ± 13.7^a

91.0 ± 5.5^abc

pCO₂ (Torr)

SHAM

39.0 ± 3.1

-

36.7 ± 3.7

GEL

39.8 ± 3.6

25.3 ± 3.8^a

29.3 ± 4.0^ac

HES 200

39.6 ± 3.6

28.9 ± 3.2^a

30.7 ± 2.7^ac

HES 130

40.2 ± 3.0

28.3 ± 4.4^a

28.0 ± 2.7^ac

Hemoglobin (g/dl)

SHAM

12.4 ± 0.7

-

12.6 ± 0.5

GEL

12.9 ± 1.3

10.0 ± 0.6^a

6.8 ± 0.7^abc

HES 200

13 ± 0.4

9.7 ± 1.0^a

6.7 ± 0.7^abc

HES 130

13.4 ± 0.5

9.8 ± 0.5^a

7.2 ± 0.7^abc

BE (mmol/L)

SHAM

0.4 ± 2

-

1.3 ± 1.8

GEL

1.5 ± 1.9

-9.9 ± 2.1^a

-1.6 ± 2.1^abc

HES 200

1.5 ± 1.0

-9.3 ± 2.39^a

-1.7 ± 1.8^abc

HES 130

1.8 ± 1.6

-9.2 ± 2.09^a

-1.6 ± 2.4^abc