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Related Experiment Videos

Pulmonary function in scleroderma

M Guttadauria, H Ellman, G Emmanuel

    Arthritis and Rheumatism
    |June 1, 1977
    PubMed
    Summary
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    Pulmonary function tests in scleroderma patients revealed significant rates of restrictive, obstructive, and small airway disease (SAD). Small airway disease is an early indicator of lung involvement in scleroderma.

    Area of Science:

    • Pulmonary Medicine
    • Rheumatology
    • Medical Research

    Background:

    • Scleroderma is a systemic autoimmune disease that can affect multiple organs, including the lungs.
    • Pulmonary complications are a major cause of morbidity and mortality in scleroderma patients.
    • Early detection of pulmonary involvement is crucial for timely management.

    Purpose of the Study:

    • To investigate the prevalence and patterns of pulmonary function abnormalities in patients with scleroderma.
    • To identify early indicators of pulmonary involvement in scleroderma.

    Main Methods:

    • Pulmonary function tests were conducted on 45 patients diagnosed with scleroderma.
    • Data analysis included categorizing findings into restrictive disease, obstructive disease, and small airway disease (SAD).

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  • Correlation with smoking history, diffusing capacity, chest radiographs, and symptoms was assessed.

    • Main Results:

    • Out of 45 patients, 29% had restrictive disease, 27% had obstructive disease, and 42% had small airway disease (SAD).
    • Low diffusing capacity was most frequent in restrictive disease.
    • SAD was often the sole abnormality, present in patients with normal chest X-rays and no symptoms.

    Conclusions:

    • Small airway disease (SAD) is a common and early finding in scleroderma-associated pulmonary involvement.
    • SAD can be detected even in asymptomatic patients with normal chest radiographs.
    • Pulmonary function testing, particularly identifying SAD, is a sensitive tool for early detection of lung disease in scleroderma.