EDITORIAL
Assessing the exercise response to a bronchodilator in COPD
Assessing the exercise response to a bronchodilator in COPD: time to get off your bike?
Institute for Lung Health, Department of Respiratory Medicine, University Hospitals of Leicester, Glenfield Hospital, Leicester LE3 9QP, UK
Correspondence to:
Correspondence to:
Dr M D L Morgan
Institute for Lung Health, Department of Respiratory Medicine, University Hospitals of Leicester, Glenfield Hospital, Leicester LE3 9QP, UK;mike.morgan@uhl-tr.nhs.uk
A comparison of exercise tests
| The first 150 words of the full text of this article appear below. |
Progressive irreversible airway obstruction is the defining characteristic of chronic obstructive pulmonary disease (COPD). However, people with COPD do not complain of airway obstruction but, more usually, about the associated restriction of physical activity. The disability resulting from COPD may also be compounded by peripheral muscle dysfunction that further limits exercise capacity. Traditionally, we have used tests of whole body exercise performance to reflect this process. However, as we learn more about COPD, it is revealed as a complex condition where apparently straightforward truths are neither pure nor simple. The relationship between airway function and exercise capacity is a good example of this complexity, since it may naively be expected that the decline in physical activity may mirror the progression of airway obstruction. Furthermore, it might also be reasonable to expect that an improvement in airway function may lead to a
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