Table 3: Perioperative blood gas results.*
|
Group 1 (n = 30) |
Group 2 (n = 30) |
p value |
pH |
|
|
|
0.hr |
7.38 ± 0.04 |
7.38 ± 0.03 |
0.645 |
1.hr |
7.39 ± 0.04 |
7.42 ± 0.05 |
0.041 |
2.hr |
7.37 ± 0.04 |
7.39 ± 0.04 |
0.110 |
3.hr¥ |
7.34 ± 0.06 |
7.39 ± 0.05 |
0.160 |
PCO2 |
|
|
|
0.hr |
42.7 ± 5.6 |
43.1 ± 4.3 |
0.451 |
1.hr |
40.4 ± 5.0 |
37.9 ± 5.2 |
0.051# |
2.hr |
40.4 ± 5.7 |
36.1 ± 4.2 |
0.006 |
3.hr¥ |
39.4 ± 7.5 |
37.0 ± 4.7 |
0.643 |
PaO2 |
|
|
|
0.hr |
182.0 ± 61.0 |
151.4 ± 61.1 |
0.068# |
1.hr |
131.1 ± 41.0 |
119.8 ± 45.0 |
0.217 |
2.hr |
143.4 ± 40.8 |
128.6 ± 47.9 |
0.184 |
3.hr¥ |
181.4 ± 38.3 |
173.6 ± 47.0 |
0.428 |
HCO3 |
|
|
|
0.hr |
24.8 ± 1.4 |
25.1 ± 1.9 |
0.917 |
1.hr |
23.9 ± 1.4 |
24.6 ± 2.1 |
0.242 |
2.hr |
22.7 ± 1.7 |
22.7 ± 1.9 |
0.859 |
3.hr¥ |
20.8 ± 1.5 |
22.2 ± 1.5 |
0.041 |
Lactate |
|
|
|
0.hr |
1.22 ± 0.51 |
1.45 ± 0.57 |
0.056# |
1.hr |
1.22 ± 0.51 |
1.45 ± 0.56 |
0.032 |
2.hr |
1.25 ± 0.45 |
1.58 ± 0.61 |
0.080# |
3.hr¥ |
1.77 ± 0.94 |
1.88 ± 0.73 |
0.643 |
CoHb |
|
|
|
0.hr |
1.20 ± 0.38 |
1.33 ± 0.66 |
0.656 |
1.hr |
1.31 ± 0.54 |
1.33 ± 0.66 |
0.246 |
2.hr |
1.08 ± 0.24 |
1.61 ± 0.66 |
0.001 |
3.hr¥ |
1.16 ± 0.53 |
1.71 ± 0.80 |
0.032 |
|
|
|
|
*Fourth hour blood gas was not evaluated because there were only ten patients. ¥third hour assessments were made on 26 patients (10 patients in Group 1, 16 patients in Group 2).
The values indicated with Bold are statistically significant differences. #Although there is no statistically significant difference, there was a slope towards significance (trend toward)