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The flow-volume loop during glossopharyngeal breathing.

F G Mazza, A F DiMarco, M D Altose

    Chest
    |May 1, 1984
    PubMed
    Summary
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    Glossopharyngeal breathing significantly enhances lung function in chronic poliomyelitis patients. This technique improved peak expiratory flow and vital capacity compared to chest wall muscle maneuvers alone.

    Area of Science:

    • Pulmonary Physiology
    • Neuromuscular Disorders

    Background:

    • Chronic poliomyelitis affects respiratory muscle strength, impacting lung function.
    • Glossopharyngeal breathing is an alternative method for augmenting lung volumes.

    Purpose of the Study:

    • To compare respiratory mechanics during glossopharyngeal breathing versus standard vital capacity maneuvers in chronic poliomyelitis patients.
    • To evaluate the impact of glossopharyngeal breathing on airflow and lung volumes.

    Main Methods:

    • Flow-volume loops were recorded in three patients with chronic poliomyelitis.
    • Measurements were taken during glossopharyngeal breathing and forced vital capacity maneuvers using chest wall muscles.

    Main Results:

    • Peak expiratory flow rates and vital capacities were higher with glossopharyngeal breathing.

    Related Experiment Videos

  • A progressive decrease in inspiratory flow rate and volume was observed as pulmonary volume increased during glossopharyngeal breathing.

    • Conclusions:

    • Glossopharyngeal breathing is an effective method for improving lung volumes and airflow in patients with chronic poliomyelitis.
    • This technique offers a potential benefit for individuals with impaired respiratory muscle function.