Oscillatory positive expiratory pressure therapy in COPD (O-COPD): a randomised controlled trial

Conclusions
Regular use of an Acapella device improves symptoms and quality of life in people with COPD who produce sputum daily or most days.

Trial registration number
ISRCTN44651852.

Source: Thorax - January 12, 2023 Category: Respiratory Medicine Authors: Alghamdi, S. M., Alsulayyim, A. S., Alasmari, A. M., Philip, K. E. J., Buttery, S. C., Banya, W. A. S., Polkey, M. I., Birring, S. S., Hopkinson, N. S. Tags: Thorax Chronic obstructive pulmonary disease Source Type: research