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

Predicting maximal exercise ventilation in patients with chronic obstructive pulmonary disease.

R Carter, M Peavler, S Zinkgraf

    Chest
    |August 1, 1987
    PubMed
    Summary

    Predicting maximal exercise ventilation (VEmax) in COPD patients is crucial. The equation VEmax = 37.5 x FEV1 accurately estimates ventilatory limitation during exercise testing.

    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

    Education. From EN(M) to RMN.

    Nursing times·1992
    Same author

    Association between schizophrenia and homozygosity at the dopamine D3 receptor gene.

    Journal of medical genetics·1992
    Same author

    Chorionic villus sampling: experience with 3016 cases performed by a single operator.

    Obstetrics and gynecology·1992
    Same author

    Elderly care. Automatic implantable cardioverter defibrillators.

    Journal of gerontological nursing·1992
    Same author

    The purification and characterization of arsenite oxidase from Alcaligenes faecalis, a molybdenum-containing hydroxylase.

    The Journal of biological chemistry·1992
    Same author

    Anti-inflammatory effects of nedocromil sodium: inhibition of alveolar macrophage function.

    Clinical and experimental allergy : journal of the British Society for Allergy and Clinical Immunology·1992

    Area of Science:

    • Pulmonary Medicine
    • Exercise Physiology
    • Cardiopulmonary Disease Research

    Background:

    • Shortness of breath is a primary symptom in cardiopulmonary diseases.
    • Exercise testing aids in distinguishing cardiac from pulmonary causes.
    • Identifying ventilatory limitation during exercise is key for pulmonary dysfunction assessment.

    Purpose of the Study:

    • To evaluate regression equations for predicting maximal voluntary ventilation (MVV) or maximal exercise ventilation (VEmax) in COPD patients.
    • To determine the most robust equation for predicting VEmax based on FEV1.

    Main Methods:

    • Collected resting pulmonary function data from 53 COPD patients.
    • Performed symptom-limited maximal exercise testing on a cycle ergometer.
    • Applied existing regression equations to predict MVV or VEmax using FEV1.

    Related Experiment Videos

    Main Results:

    • FEV1 showed a strong correlation with measured VEmax (r = .81).
    • The equation VEmax = 37.5 x FEV1 demonstrated the highest robustness in this COPD cohort.
    • This predictive equation showed no statistical difference from the line of identity and had a smaller mean square error.

    Conclusions:

    • The equation VEmax = 37.5 x FEV1 is a reliable tool for predicting ventilatory limitation in COPD patients during exercise.
    • Accurate prediction of VEmax aids in managing and understanding exercise intolerance in COPD.
    • FEV1 remains a critical parameter for assessing exercise capacity in individuals with chronic obstructive pulmonary disease.