Table 1

The number of helium-oxygen gas mixture (heliox) 'responders' for tidal volume, compliance and resistance for each performed including pulmonary function tests after crossover.

Assessment

1

2

3

4

CO

Tidal Volume

8/10^*

8/10^*

8/10^*

8/10^*

8/8^*

Resistance

7/10^*

6/10

5/10

8/10^*

8/8^*

Compliance

8/10^*

7/10^*

7/10^*

2/10

7/8^*

CO, positive response after crossover from a nitrogen-oxygen gas mixture (nitrox) to heliox. Note only eight piglets were crossed over. ^*P < 0.05.

Orsini et al. Critical Care 1999 3:65   doi:10.1186/cc311