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

Ventilatory function in laryngectomized patients.

N Usui

    Auris, Nasus, Larynx
    |January 1, 1979
    PubMed
    Summary
    This summary is machine-generated.

    Laryngectomized patients show obstructive impairment similar to chronic bronchitis, with abnormal flow-volume curves. These abnormalities can be partially reversed with bronchodilators, indicating ventilation distribution issues.

    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

    High-dose methotrexate therapy significantly improved survival of adult acute lymphoblastic leukemia: a phase III study by JALSG.

    Leukemia·2017
    Same author

    Adaptive change in chewing-related brain activity while wearing a palatal plate: an functional magnetic resonance imaging study.

    Journal of oral rehabilitation·2017
    Same author

    Frequent somatic mutations in epigenetic regulators in newly diagnosed chronic myeloid leukemia.

    Blood cancer journal·2017
    Same author

    Risk stratification for congenital diaphragmatic hernia by factors within 24 h after birth.

    Journal of perinatology : official journal of the California Perinatal Association·2017
    Same author

    The relationship between three signs of fetal magnetic resonance imaging and severity of congenital diaphragmatic hernia.

    Journal of perinatology : official journal of the California Perinatal Association·2016
    Same author

    Markedly improved outcomes and acceptable toxicity in adolescents and young adults with acute lymphoblastic leukemia following treatment with a pediatric protocol: a phase II study by the Japan Adult Leukemia Study Group.

    Blood cancer journal·2014
    Same journal

    Hypopharyngeal cancer in which endoscopic ultrasound was useful for determining the treatment strategy.

    Auris, nasus, larynx·2026
    Same journal

    Tetanus mimicking post-radiotherapy dysphagia in a head and neck cancer survivor:A case report with institutional review.

    Auris, nasus, larynx·2026
    Same journal

    Stepwise surgical management of severe dysphagia in multiple system atrophy.

    Auris, nasus, larynx·2026
    Same journal

    Diagnostic value of black spots and granular changes in pretreatment endoscopic evaluation of chronic epipharyngitis.

    Auris, nasus, larynx·2026
    Same journal

    A nationwide multicenter cohort study of airway management and outcomes in patients with fire-related inhalation injury.

    Auris, nasus, larynx·2026
    Same journal

    Which surgical procedure is more effective for obstructive sleep apnea-CWICKs or barbed reposition pharyngoplasty (BRP)?

    Auris, nasus, larynx·2026
    See all related articles

    Area of Science:

    • Pulmonary Medicine
    • Respiratory Physiology

    Background:

    • Obstructive impairment in laryngectomized patients can be assessed using flow-volume curves.
    • Laryngectomy alters respiratory mechanics and airflow dynamics.

    Purpose of the Study:

    • To investigate the pattern of expiratory flow-volume curves in laryngectomized patients.
    • To assess the impact of bronchodilator inhalation on these curves.
    • To identify potential ventilation distribution abnormalities.

    Main Methods:

    • Analysis of maximum expiratory flow-volume curves and closing volume curves.
    • Comparison of flow-volume curve patterns with those of chronic bronchitis patients.
    • Evaluation of bronchodilator response.

    Main Results:

    Related Experiment Videos

    • Flow-volume curve patterns in laryngectomized patients resembled those in chronic bronchitis.
    • Abnormalities, specifically convexity to the volume axis, were observed.
    • Partial reversal of these abnormalities occurred after bronchodilator inhalation.

    Conclusions:

    • Laryngectomized patients exhibit obstructive ventilatory defects.
    • Ventilation distribution abnormalities exist despite normal routine pulmonary function tests.
    • Flow-volume curve analysis is valuable for detecting subtle respiratory impairments post-laryngectomy.