Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Experiment Videos

Does lung diffusion impairment affect exercise capacity in patients with heart failure?

P G Agostoni1, M Bussotti, P Palermo

  • 1Centro Cardiologico Monzino, IRCCS, Institute of Cardiology, University of Milan, Milan, Italy. piergiuseppe.agostoni@cardiologicomonzino.it

Heart (British Cardiac Society)
|October 17, 2002
PubMed
Summary

Impaired lung diffusion significantly impacts exercise capacity in chronic heart failure patients. This study found a direct relationship between reduced lung function and decreased exercise performance, highlighting a key area for intervention.

Related Concept Videos

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by
Same author

Baseline clinical profile of patients with obstructive hypertrophic cardiomyopathy in the Italian Mavacamten early access program.

International journal of cardiology·2026
Same author

Quantifying Symptoms and Effort in Heart Failure: the Need for a Common Language through Cardiopulmonary Exercise Testing.

European journal of preventive cardiology·2025
Same author

Role of cardiopulmonary exercise test in the prediction of hemodynamic impairment in patients with pulmonary arterial hypertension.

Pulmonary circulation·2022
Same author

Recovery of exercise capacity after COVID-19 pneumonia: Key role of right ventricular-pulmonary circulation unit: The role of pulmonary vasculature in exercise after COVID-19 pneumonia.

Pulmonology·2021
Same author

Lung Biomarkers: a new route for distinguishing pulmonary hypertension due to HFpEF from pulmonary arterial hypertension.

International journal of cardiology·2021
Same author

Slow and steady wins the race: Better walking than running. The turtle's lesson in the times of COVID-19.

Heart & lung : the journal of critical care·2021

Area of Science:

  • Cardiopulmonary Physiology
  • Respiratory Medicine
  • Heart Failure Research

Background:

  • Chronic heart failure (CHF) is often associated with reduced exercise capacity.
  • The precise relationship between impaired lung diffusion and exercise limitation in CHF requires further elucidation.

Purpose of the Study:

  • To investigate the association between impaired lung diffusion and diminished exercise capacity in patients with chronic heart failure.
  • To explore the correlation between lung diffusion parameters and exercise performance under varying oxygen conditions.

Main Methods:

  • Conducted pulmonary function tests and maximal cardiopulmonary exercise testing in 40 CHF patients and 40 controls.
  • Measured resting and exercise lung diffusion (TLCO, VC, DM) and arterial blood gases.

Related Experiment Videos

  • Assessed exercise capacity under normoxic and hypoxic conditions.

    • Main Results:

    • Reduced peak oxygen uptake was observed in CHF patients under hypoxia.
    • Resting lung diffusion (TLCO) correlated with peak oxygen uptake in CHF patients.
    • Lung diffusion parameters (TLCO, VC, DM) increased during exercise, with greater TLCO increases in patients showing less exercise capacity reduction in hypoxia.

    Conclusions:

    • Impairment in lung diffusion is demonstrably related to reduced exercise capacity in individuals with chronic heart failure.
    • Alveolar-arterial oxygen gradient at peak exercise is a significant correlate of exercise capacity in CHF.