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[Pulmonary function indices: variability, predicted values and discriminating power (author's transl)]

Q T Pham, J M Mur, C Cavelier

    Bulletin Europeen De Physiopathologie Respiratoire
    |November 1, 1981
    PubMed
    Summary

    Pulmonary function tests show variability in firemen, with differences observed between smokers and non-smokers. These findings help identify sensitive lung function indices for occupational health assessments.

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    Brazilian journal of biology = Revista brasleira de biologia·2022

    Area of Science:

    • Pulmonary Physiology
    • Occupational Medicine
    • Respiratory Function Testing

    Context:

    • Firefighters are exposed to occupational hazards that can impact respiratory health.
    • Understanding lung function variability is crucial for accurate health monitoring in this group.
    • Previous studies have not fully elucidated the variability of specific pulmonary indices in firefighters.

    Purpose:

    • To assess intra-individual and inter-individual variability in pulmonary function tests among firefighters.
    • To identify sensitive lung function indices for detecting respiratory changes in relation to smoking and symptoms.
    • To propose reference equations and discuss the selection of appropriate reference groups and values.

    Summary:

    • Flow/volume curves, N2 washout, and carbon monoxide diffusion tests were conducted on 229 firefighters (aged 20-55), with repeat testing on 183.

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  • Variability differed across asymptomatic non-smokers, asymptomatic smokers, and symptomatic smokers.
  • Age and height influenced spirometric variability, while N2 washout slope and CO uptake variability were less affected, aiding in the selection of sensitive indices.

    • Impact:

    • Provides insights into the variability of specific pulmonary function tests in a firefighter cohort.
    • Offers a basis for selecting sensitive indices for early detection of respiratory impairment in occupational settings.
    • Contributes to establishing appropriate reference values for pulmonary health surveillance in firefighters.