Table 1.
Changes of physiological parameters in arterial blood
| Control | Sham | VILI | VILI+H2S | H2S | |
|---|---|---|---|---|---|
| Pre-operation | |||||
| PaO2(mmHg) | 91.5±5.8 | 92.5±3.9 | 89.1±4.8 | 93.2±5.5 | 87.9±5.3 |
| PaCO2(mmHg) | 40.5±4.9 | 42.8±4.7 | 43.1±4.2 | 46.5±4.8 | 41.9±4.1 |
| HCO3(mmol/L) | 23.6±4.2 | 22.9±3.5 | 24.1±3.3 | 25.2±3.7 | 24.6±3.2 |
| pH | 7.41±0.06 | 7.37±0.05 | 7.36±0.04 | 7.38±0.05 | 7.36±0.04 |
| Post-operation | |||||
| PaO2(mmHg) | 90.4±6.5 | 89.6±5.2 | 61.6±6.1# | 80.6±5.7* | 91.4±7.2 |
| PaCO2(mmHg) | 41.8±3.9 | 40.3±3.3 | 49.9±3.3# | 44.6±3.5* | 42.5±3.6 |
| HCO3(mmol/L) | 22.5±3.2 | 21.9±2.8 | 17.3±2.1# | 20.4±2.3* | 22.3±2.5 |
| pH | 7.37±0.05 | 7.31±0.06 | 7.21±0.03# | 7.33±0.04* | 7.41±0.03 |