Airflow limitation or static hyperinflation: which is more closely related to dyspnea with activities of daily living in patients with COPD?

K Nishimura, M Yasui, T Nishimura, T Oga - Respiratory research, 2011 - Springer
Background Dyspnea while performing the activities of daily living has been suggested to be
a better measurement than peak dyspnea during exercise. Furthermore, the inspiratory …

Dynamic hyperinflation during daily activities: does COPD global initiative for chronic obstructive lung disease stage matter?

JDC Hannink, HAC van Helvoort, PNR Dekhuijzen… - Chest, 2010 - Elsevier
Background One of the contributors to exercise limitation in COPD is dynamic hyperinflation.
Although dynamic hyperinflation appears to occur during several exercise protocols in …

Quantifying the shape of the maximal expiratory flow–volume curve in mild COPD

PB Dominelli, GE Foster, JA Guenette… - Respiratory physiology …, 2015 - Elsevier
Maximal expiratory flow–volume (MEFV) curve evaluation using absolute and percent
predicted values of flow and volume are used to diagnose respiratory disease, but the shape …

Dyspnea and activity limitation in COPD: mechanical factors

DE O'Donnell, P Laveneziana - COPD: Journal of Chronic …, 2007 - Taylor & Francis
Dyspnea and activity limitation are the primary symptoms of chronic obstructive pulmonary
disease and progress relentlessly as the disease advances. In COPD, dyspnea is …

A controlled trial of the effects of leg training on breathing pattern and dynamic hyperinflation in severe COPD

L Puente-Maestu, YM Abad, F Pedraza, G Sánchez… - Lung, 2006 - Springer
The effects of training on dynamic hyperinflation in stable chronic obstructive pulmonary
disease (COPD) were investigated by using a controlled study of 28 subjects with FEV 1 …

Effect of a Conical-PEP Mask on Exercise in Subjects With COPD

C Ubolsakka-Jones, DA Jones, M Pukdeechat… - Respiratory …, 2024 - rc.rcjournal.com
BACKGROUND: Dynamic hyperinflation (DH) is a major pathophysiology of COPD that is
directly related to dyspnea and exercise intolerance. Positive expiratory pressure (PEP) …

Effects of nasal positive expiratory pressure on dynamic hyperinflation and 6-minute walk test in patients with COPD

T Wibmer, S Rüdiger, C Heitner… - Respiratory …, 2014 - rc.rcjournal.com
INTRODUCTION: Dynamic hyperinflation is an important target in the treatment of COPD.
There is increasing evidence that positive expiratory pressure (PEP) could reduce dynamic …

Lung hyperinflation in COPD: applying physiology to clinical practice

DE O'Donnell, KA Webb, JA Neder - COPD Research and Practice, 2015 - Springer
In chronic obstructive pulmonary disease (COPD), worsening expiratory flow limitation
together with alteration in the elastic properties of the lung are associated with progressive …

[HTML][HTML] Lung deflation and oxygen pulse in COPD: results from the NETT randomized trial

CE Come, MJ Divo, RSJ Estépar, FC Sciurba… - Respiratory …, 2012 - Elsevier
BACKGROUND: In COPD patients, hyperinflation impairs cardiac function. We examined
whether lung deflation improves oxygen pulse, a surrogate marker of stroke volume …

Physiology and consequences of lung hyperinflation in COPD

DE O'donnell, P Laveneziana - European Respiratory Review, 2006 - Eur Respiratory Soc
Lung hyperinflation commonly accompanies expiratory flow limitation in patients with
chronic obstructive pulmonary disease (COPD) and contributes importantly to morbidity and …