The physiology and pathophysiology of exercise hyperpnea

JA Dempsey, JA Neder, DB Phillips… - Handbook of clinical …, 2022 - Elsevier
In health, the near-eucapnic, highly efficient hyperpnea during mild-to-moderate intensity
exercise is driven by three obligatory contributions, namely, feedforward central command …

Exercise adaptations in COPD: the pulmonary perspective

SB Nymand, JP Hartmann, CK Ryrsø… - … of Physiology-Lung …, 2022 - journals.physiology.org
In chronic obstructive pulmonary disease (COPD), the progressive loss of lung tissue is
widely considered irreversible. Thus, various treatment and rehabilitation schemes …

Impaired ventilatory efficiency, dyspnea, and exercise intolerance in chronic obstructive pulmonary disease: results from the CanCOLD study

DB Phillips, AF Elbehairy, MD James… - American Journal of …, 2022 - atsjournals.org
Rationale: Impaired exercise ventilatory efficiency (high ventilatory requirements for CO2 [V˙
e/V˙ co2]) provides an indication of pulmonary gas exchange abnormalities in chronic …

Exertional dyspnoea in patients with mild‐to‐severe chronic obstructive pulmonary disease: neuromechanical mechanisms

MD James, DB Phillips, SG Vincent… - The Journal of …, 2022 - Wiley Online Library
In patients with chronic obstructive pulmonary disease (COPD), exertional dyspnoea
generally arises when there is imbalance between ventilatory demand and capacity, but the …

Diffusing capacity and mortality in chronic obstructive pulmonary disease

A Balasubramanian, N Putcha… - Annals of the …, 2023 - atsjournals.org
Rationale: Chronic obstructive pulmonary disease (COPD) mortality risk is often estimated
using the BODE (body mass index, obstruction, dyspnea, exercise capacity) index, including …

Pulmonary vascular volume by quantitative CT in dyspneic smokers with minor emphysema

AF Elbehairy, SG Vincent, DB Phillips… - COPD: Journal of …, 2023 - Taylor & Francis
Reduced lung diffusing capacity for carbon monoxide (DLCO) at rest and increased
ventilation (⩒ E)-carbon dioxide output (⩒ CO2) during exercise are frequent findings in …

Physiological characterization of preserved ratio impaired spirometry in the CanCOLD study: implications for exertional dyspnea and exercise intolerance

DB Phillips, MD James, SG Vincent… - American Journal of …, 2024 - atsjournals.org
Rationale: It is increasingly recognized that adults with preserved ratio impaired spirometry
(PRISm) are prone to increased morbidity. However, the underlying pathophysiological …

Beyond Spirometry: Linking Wasted Ventilation to Exertional Dyspnea in the Initial Stages of COPD

JA Neder, G Santyr, B Zanette, M Kirby… - COPD: Journal of …, 2024 - Taylor & Francis
Exertional dyspnea, a key complaint of patients with chronic obstructive pulmonary disease
(COPD), ultimately reflects an increased inspiratory neural drive to breathe. In non …

[HTML][HTML] Effect of Exercise on Respiratory Drive in Chronic Obstructive Pulmonary Disease Patients: A Systematic Review and Meta-analysis

PC Dinas, A Daveronas… - … and Hypothesis in …, 2023 - xiahepublishing.com
Methods With the application of PRISMA guidelines, Pubmed, PEDro, Science direct, and
the Cochrane Central Register of Controlled Trials were searched from inception until 25 …

[HTML][HTML] Journal Club: Impaired Ventilatory Efficiency and Exercise Intolerance in Former/Current Smokers With Dyspnea Disproportionate to Their Lung Function …

R Balkissoon, T Mkorombindo - Chronic Obstructive Pulmonary …, 2022 - ncbi.nlm.nih.gov
Many primary care and general pulmonologists see patients in clinic who are smokers or
former smokers who report problems with exertional dyspnea and yet, when pulmonary …