Table 2. Hemodynamics and arterial blood gas parameters in the VCV and PCV groups.
| Parameter | Mode | T0 | T1 | T2 | T3 | T4 |
|---|---|---|---|---|---|---|
| HR (bpm) | PCV | 78.70±14.70 | 72.73±10.67 | 78.40±11.72 | 74.66±8.96 | 70.03±11.61 |
| VCV | 73.33±11.99 | 70.96±13.90 | 73.93±13.10 | 71.0±12.10 | 67.40±10.38 | |
| DBP (mmHg) | PCV | 77.48±8.58 | 71.31±10.28 | 68.51±10.51 | 71.00±7.04 | 74.93±7.07 |
| VCV | 75.63±9.36 | 71.20±10.49 | 69.80±9.87 | 68.93±7.86 | 71.06±7.43 | |
| SBP (mmHg) | PCV | 147.37±15.36 | 120.65±18.55 | 114.48±13.78 | 119.20±2.56 | 125.37±1.96 |
| VCV | 145.70±15.83 | 123.80±22.83 | 120.90±17.06 | 120.43±2.77 | 124.83±2.78 | |
| PETCO2 (mmHg) | PCV | – | 37.50±3.35 | 37.30±3.34 | 37.26±3.75 | 35.26±3.73 |
| VCV | – | 38.03±3.52 | 37.76±3.32 | 37.20±3.10 | 35.80±3.65 | |
| PaO2 (mmHg) | PCV | 86.93±30.92 | 448.33±72.50 | 167.76±89.01 | 262.36±108.41 | 401.93±91.77 |
| VCV | 87.83±20.10 | 432.53±99.39 | 187.83±77.61 | 263.06±96.81 | 437.36±83.69 | |
| PaCO2 (mmHg) | PCV | 39.93±4.45 | 41.56±4.24 | 42.86±5.00 | 42.46±4.83 | 42.43±5.02 |
| VCV | 38.63±7.85 | 41.96±3.87 | 43.73±3.73 | 44.03±5.13 | 43.30±8.38 |
PCV, pressure-controlled ventilation; VCV, volume-controlled ventilation; HR, heart rate; DBP, diastolic blood pressure; SBP, systolic blood pressure; PETCO2, end tidal CO2 pressure; PaO2, partial oxygen pressure; PaCO2, partial CO2 pressure. All P>0.05.