European Respiratory Society

Figure 4.

Fri, 2021-07-09 17:05 -- admin
Summary: 
The ratio between respiratory effort (oesophageal pressure relative to maximal inspiratory pressure (Poes/PImax)) and VT displacement (VT standardised as a fraction of predicted vital capacity (VC)), an index of neuromechanical dissociation, is shown during exercise after bronchodilator (tiotropium) use versus placebo in COPD compared with a group of age-matched healthy controls. The effort/displacement ratio is increased in COPD in comparison with healthy controls throughout exercise, with an upward trend towards the end of exercise that did not occur in healthy subjects. Post-bronchodilator, this ratio was reduced throughout exercise in COPD. Reproduced and modified from [34] with permission.
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Figure
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Normal
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F90
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Contributors: 
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