Table 1.
Comparison of baseline and end arterial blood gas parameters, and end values of lactate in the experimental groups
| Sham | Vag | SHS | Vag + SHS | |
|---|---|---|---|---|
| Start of experiment | ||||
| pH | 7.47 ± 0.00 | 7.46 ± 0.03 | 7.43 ± 0.00 | 7.45 ± 0.01 |
| PaCO2 (mmHg) | 30.67 ± 0.77 | 32.56 ± 1.14 | 34.55 ± 0.83 | 34.94 ± 0.95 |
| PaO2 (mmHg) | 63.75 ± 1.37 | 71.50 ± 4.50 | 65.00 ± 1.73 | 67.16 ± 3.29 |
| HCO3−a (mmol/L) | 22.60 ± 0.71 | 23.06 ± 1.01 | 24.31 ± 0.35 | 25.13 ± 0.34 |
| BE | − 0.32 ± 0.61 | − 0.23 ± 1.32 | 0.58 ± 0.22 | 1.12 ± 0.60 |
| End of experiment | ||||
| pH | 7.48 ± 0.00 | 7.48 ± 0.01 | 7.36 ± 0.02 # | 7.29 ± 0.02 a |
| PaCO2 (mmHg) | 29.15 ± 0.86 | 29.75 ± 1.08 | 23.52 ± 1.29 | 24.92 ± 1.05 |
| PaO2 (mmHg) | 63.50 ± 0.95 | 67.66 ± 0.88 | 62.57 ± 0.86 | 75.28 ± 2.35 b |
| HCO3− (mmol/L) | 21.87 ± 0.98 | 22.73 ± 0.56 | 14.5 ± 0.54 # | 12.55 ± 0.64 a |
| BE | − 0.60 ± 0.94 | − 0.17 ± 0.45 | − 9.5 ± 0.85 # | − 12.3 ± 1.01 a |
| Lactate (mmol/dL) | 13.65 ± 2.23 | 12.1 2 ± 2.64 | 65.16 ± 9.53 # | 89.98 ± 7.44 a |
Data are mean ± SE in the Sham (N = 5), Vag (N = 5), SHS (N = 7), and Vag + SHS (N = 8) groups. The comparison between groups was performed by analysis of variance ANOVA and unpaired student t-test. #P < 0.05, versus the Sham group; aP < 0.05, versus the Vag group; bP < 0.05, versus the SHS group