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  1. Mortality of workers exposed to toluene diisocyanate in the polyurethane foam industry.

    Article - En anglais

    Objective

    To evaluate cancer mortality among United States workers exposed to toluene diisocyanate (TDI) in the manufacture of polyurethane foam.

    Methods-This cohort mortalilty study included 4611 men and women employed in four polyurethane foam plants for at least three months between the late 1950s and 1987.

    The mortality experience of the cohort was then compared with that of the general United States population.

    Results

    Current and past industrial hygiene data indicated that air concentrations in 1984-5 were below the current United States standard of 0.04 mg/m3 but exceeded the standard before 1980.

    Mortality from rectal cancer (standardised mortality ratio (SMR) 2.78,95% confidence interval (95% CI) 0.57-8.13) and non-Hodgkin's lymphoma (SMR 1.54,95% CI 0.42-3.95) were increased, but not significantly.

    There was one male breast cancer.

    However, breast cancer was not increased in women (SMR 0.74).

    No other cancer category had an increased number of deaths compared with the general population.

    Only non-Hodgkin's lymphoma and Hodgkin's disease showed a possible relation with time since first employment and no cancer death category showed a strong relation with duration of employment.

    Mortality from non-malignant respiratory disease was not increased (SMR 0.86).

    Conclusions-This young cohort has few deaths and short follow up.

    The findings are therefore not conclusive

    Further years of follow up will enable better evaluation of mortality.

    Mots-clés Pascal : Alvéolaire, Uréthanne polymère, Toxicité, Exposition professionnelle, Médecine travail, Homme, Mortalité, Etude cohorte, Epidémiologie, Etats Unis, Amérique du Nord, Amérique, Tumeur maligne, Diisocyanate organique, Toluène(diisocyanato)

    Mots-clés Pascal anglais : Foam(plastics), Polyurethane, Toxicity, Occupational exposure, Occupational medicine, Human, Mortality, Cohort study, Epidemiology, United States, North America, America, Malignant tumor, Organic diisocyanate

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

    Cote : 96-0479735

    Code Inist : 002B03L06. Création : 10/04/1997.