![]() Accordingly, we propose to apply these novel methods in assessing breathlessness during exercise in patients with COPD undergoing clinically indicated lung volume reduction surgery as a means of predicting exercise performance after surgery. We have shown previously in normal subjects that breathlessness is a complex and variable sensation mediated by central respiratory and non-respiratory pathways and that it is a useful tool for describing the magnitude of a chosen lower airway obstruction during exercise. 20 IMAGES EditBreathlessness is the main presenting symptom of a patient with chronic obstructive pulmonary disease (COPD) who is being assessed for the potential of lung volume reduction surgery.
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