Table 2 Respiratory and haemodynamic parameters during the study period
From: Helium-oxygen reduces the production of carbon dioxide during weaning from mechanical ventilation
| Â | Baseline | Helium/oxygen after 2 hours CPAP | Baseline | Air/oxygen after 2 hours CPAP | Statistical significance |
|---|---|---|---|---|---|
RR, breaths/min | 24 +/- 7 | 25 +/- 5 | 26 +/- 6 | 25 +/- 6 | NS |
PaCO2, kPa | 5.2 +/- 1.0 | 5.2 +/- 1.0 | 5.4 +/- 1.1 | 5.4 +/- 1.2 | NS |
PaO2, kPa | 11.3 +/- 2.1 | 11.2 +/- 1.8 | 12.7 +/- 2.3 | 11.7 +/- 2.4 | NS |
Minute volume | 10.2 +/- 2.8 | 10.8 +/- 2.5 | 10.6 +/- 2.3 | 10.2 +/- 2.4 | NS |
HR, beats/min | 89 +/- 14 | 89 +/- 13 | 88 +/- 14 | 91 +/- 14 | NS |
SBP, mmHg | 128 +/- 27 | 126 +/- 23 | 126 +/- 23 | 130 +/- 27 | NS |
DBP, mmHg | 63 +/- 8 | 62 +/- 10 | 63 +/- 11 | 65 +/- 12 | NS |
Temperature | 37 +/- 1 | 37 +/- 1 | 37+/- 1.5 | 37 +/- 1 | NS |