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  1. Prevalence of small lung opacities in populations unexposed to dusts : A literature analysis.

    Article - En anglais

    Objectives 

    Despite the wide use of the International Labor Organization (ILO) system for reading chest radiographs, little information is available regarding the prevalence of abnormalities in populations unexposed to dusts.

    Prevalence studies of radiographic changes consistent with dust inhalation, as classified by the system, would be more meaningful if there were better understanding regarding the extent of abnormalities in unexposed populations.

    Design 

    To determine small opacity prevalence in unexposed populations, a review of articles published since 1970 that used the ILO system to classify radiographs of the unexposed, either as subjects or control subjects, was performed.

    Criteria for inclusion in this review included ascertainment of the lack of exposure of subjects to occupational dusts, and independent reading of radiographs by at least two readers certified in the ILO system (B readers) or experienced in its use.

    A total of eight published articles presenting data on nine study populations were included in this study.

    Results 

    The prevalence of small opacities graded 1/0 or greater varied widely, with a range from 0.21 to 11.7%. A meta-analysis of the published data yielded a population prevalence of 5.3% (95% confidence interval [CI]=2.9 to 7.7%). The prevalence was significantly greater in Europe than in North America (Europe, 11.3% ; 95% CI=10.1 to 12.. 5% ; North America, 1.6% ; 95% CI=0.6 to 2.6%). (...)

    Mots-clés Pascal : Poumon pathologie, Exposition professionnelle, Poussière, Radiographie, Opacité, Poumon, Etats Unis, Amérique du Nord, Amérique, Exploration, Epidémiologie, Homme, Appareil respiratoire pathologie, Radiodiagnostic

    Mots-clés Pascal anglais : Lung disease, Occupational exposure, Dust, Radiography, Opacity, Lung, United States, North America, America, Exploration, Epidemiology, Human, Respiratory disease, Radiodiagnosis

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0204936

    Code Inist : 002B03L03. Création : 21/05/1997.