Table 2: Venous blood gas analysis of patients in groups

 

Group D

(n= 20)

Group P

(n= 17)

P

pH

t1

t2

t3

 

7.38 0.27

7.34 0.24

7.32 0.45

 

7.35 0.04

7.30 0.06

7.34 0.03

 

0.024*

0.015

0.376

PvCO2

t1

t2

t3

 

41.50 4.35

42.09 3.73

45.17 6.04

 

42.60 4.92

48.70 6.22

45.17 6.04

 

0.457

0.001*

0.750

PvO2

t1

t2

t3

 

36.05 13.3

51.90 17.8

38.25 21.6

 

30.58 7.7

29.05 9.0

31.41 10.7

 

0.146

0.001*

0.245

Sa

t1

t2

t3

 

55.2 18.0

75.3 17.0

48.6 21.7

 

52.7 16.9

46.8 17.8

52.1 22.8

 

0.669

0.001*

0.638

Lactate

t1

t2

t3

 

1.4 0.6

1.6 0.7

1.4 0.5

 

1.6 0.4

2.0 0.5

1.6 0.4

 

0.202

0.069

0.189

HCO3

t1

t2

t3

 

23.4 1.4

21.8 1.3

21.7 1.7

 

23.0 1.7

20.9 2.2

21.8 1.0

 

0.544

0.175

0.774

 

Data presented as mean SD.

*: P < 0. 05 was accepted statistically significant. t1: Baseline, t2: 20th minutes after tourniquet release, t3: 2 hour after tourniquet release