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Pulmonary function study in old age

S K Das, M S Ali, M S Kataria

    Current Medical Research and Opinion
    |January 1, 1976
    PubMed
    Summary
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    This study found that older adults, aged 70-90, commonly exhibit moderate restrictive pulmonary function defects. Blood gas analysis revealed minimal changes in oxygen and normal carbon dioxide levels in this age group.

    Area of Science:

    • Gerontology
    • Pulmonology
    • Physiology

    Background:

    • Aging is associated with physiological changes, including potential declines in respiratory function.
    • Understanding pulmonary function in the elderly is crucial for managing age-related respiratory conditions.

    Purpose of the Study:

    • To investigate pathological and respiratory function changes in individuals aged 70 to 90 years.
    • To assess the prevalence of restrictive pulmonary defects and associated blood gas alterations in old age.

    Main Methods:

    • Study involved 100 patients aged 70-90 years.
    • Pulmonary function was assessed using Vitalograph and peak flow meter.
    • Blood gas analysis was performed in a subset of 6 patients due to technical challenges.

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    Main Results:

    • A moderate, restrictive pattern of pulmonary function defect was observed in nearly all participants.
    • These findings were consistent across patients with generalized senile changes and those with pathological conditions.
    • Blood gas analysis indicated minimal alterations in oxygen tension and saturation, with normal carbon dioxide tension.

    Conclusions:

    • Older adults frequently present with moderate restrictive pulmonary function defects.
    • Age-related pulmonary changes may not significantly impact blood gas levels in the absence of severe pathology.