Efficacy of non-invasive ventilation as a rescue therapy for relieving dyspnea in patients with stable severe COPD☆
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Keywords
Chronic obstructive pulmonary disease
Exertional dyspnea
Non-invasive ventilation
Rescue therapy
Abbreviations
FEV1
forced expiratory volume in 1s
FRC
functional residual capacity
FVC
forced vital capacity
IC
inspiratory capacity
RV
residual volume
TLC
total lung capacity
MVV
maximal voluntary ventilation
MIP
maximal inspiratory pressure
HR
heart rate
RR
respiratory rate
Vt
tidal volume
VE
minute ventilation
Ti
inspiratory time
Te
expiratory time
Ttot
total time of the respiratory cycle
Ti/Ttot
inspiratory duty cycle
Vt/Ti
mean inspiratory tidal flow
Vt/Te
mean expiratory tidal flow
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Some of the results have been presented as oral presentation in the 2016 Chest World Congress conference.
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These authors contributed equally to this work and should be considered co-first authors.
© 2016 Elsevier Ltd.