Table 3 Effect of mechanical ventilation with heliox on fractional ventilation, and center of ventilation as determined by electrical impedance tomography measurements
| Â | Nitrox (T = 0) | Heliox (T = 30) | Nitrox (T = 60) | Heliox (T = 90) | Overall P value |
|---|---|---|---|---|---|
Fractional ventilation | |||||
Left lung (%) | 50.8 ± 11.0 | 49.0 ± 10.9 | 50.1 ± 10.2 | 49.6 ± 11.2 | 0.65 |
Right lung (%) | 49.2 ± 11.0 | 51.0 ± 10.9 | 49.9 ± 10.2 | 50.4 ± 11.2 | 0.65 |
Center of ventilation | |||||
Left lung (%) | 44.1 ± 8.0 | 42.8 ± 7.5 | 44.1 ± 7.7 | 43.6 ± 6.9 | 0.54 |
Right lung (%) | 42.7 ± 6.4 | 41.6 ± 6.3 | 42.9 ± 7.0 | 43.0 ± 7.3 | 0.76 |