Published Online:
January 20, 2010
This is the protocol for a review and there is no abstract. The objectives are as follows:
(1) To determine whether breathing retraining in patients with COPD has beneficial effects on dyspnoea, exercise capacity and quality of life compared to no breathing retraining in patients with COPD and (2) to determine whether there are any adverse effects of breathing retraining in patients with COPD.