The effect of helium and oxygen on exercise performance in chronic obstructive pulmonary disease: a randomized crossover trial.

@article{Laude2006TheEO,
  title={The effect of helium and oxygen on exercise performance in chronic obstructive pulmonary disease: a randomized crossover trial.},
  author={Elizabeth A Laude and Nicholas C Duffy and Chloe Baveystock and Beatriz Dougill and M J Campbell and Rod Lawson and Paul W. Jones and Peter Mark Anthony Calverley},
  journal={American journal of respiratory and critical care medicine},
  year={2006},
  volume={173 8},
  pages={865-70}
}
RATIONALE Breathing supplemental oxygen reduces breathlessness during exercise in patients with chronic obstructive pulmonary disease (COPD). Replacing nitrogen with helium reduces expiratory flow resistance and may improve lung emptying. Combining these treatments should be independently effective. OBJECTIVES Study the effect of changing oxygen or helium… CONTINUE READING