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Related Experiment Videos

Incentive spirometer for bedside studies

D J Scheinhorn, W Warner, E Ellis

    Southern Medical Journal
    |June 1, 1982
    PubMed
    Summary
    This summary is machine-generated.

    Incentive spirometers (IS) accurately monitor lung function changes in hospitalized patients. Their performance and availability support their use for tracking obstructive lung disease progression.

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    Area of Science:

    • Pulmonary Medicine
    • Medical Devices
    • Respiratory Physiology

    Background:

    • Incentive spirometers (IS) are commonly used in hospitals.
    • Their utility in monitoring lung function changes in hospitalized patients requires evaluation.

    Purpose of the Study:

    • To assess the accuracy and reproducibility of incentive spirometer (IS) measurements.
    • To evaluate IS performance in monitoring lung function in patients with obstructive lung disease.

    Main Methods:

    • IS measurements of known volumes were assessed for accuracy and reproducibility.
    • IS performance was evaluated in healthy subjects and patients with asthma and COPD.
    • IS data was compared with standard spirometry (FEV1/FVC%, peak flow).

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    Main Results:

    • IS demonstrated adequate accuracy (r = 0.87) and reproducibility in measuring known volumes.
    • A small training effect was observed in normal subjects.
    • IS changes closely correlated with spirometric measures in patients (e.g., IS vs. FEV1/FVC%, r = 0.98).

    Conclusions:

    • Incentive spirometers show acceptable performance for clinical use.
    • IS can serve as a valuable adjunct tool for monitoring hospitalized patients with obstructive lung disease.