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  1. Proposal for hand-arm vibration exposure limits adopted for Japanese workers operating hand-held vibrating tools.

    Article - En anglais

    On the basis of data presented in our previous reports, the current study was undertaken to estimate frequency-weighted hand-arm vibration exposure limits for various daily exposure times.

    The procedures for the present study were as follows. (1) The prevalence of vibration-induced white finger (VWF) as well as the vibration exposure were investigated in various groups of workers operating hand-held vibrating tools.

    The vibration magnitude of various tools was measured and the results were presented as the energy-equivalent frequency-weighted root-mean-square (m/s2 rms) acceleration.

    There was a statistically significant positive correlation between the prevalence of VWF and the measured vibration magnitude (R2=0.5, P<0.05).

    Hence, it was concluded that in decisions concerning quantitative recommendations for vibration exposure. the prevalence of VWF should be considered. (2) By a careful selection of available publications which contain useful information on duration of vibration exposure of ¾ 2h/day and the occurrence of VWF, a significant correlation between the prevalence of VWF and the vibration magnitude could be observed.

    The regression equation was estimated as : y=-18.5+4.6 (x), R2=0.8. On the basis of this equation, it was speculated that the prevalence of VWF in workers using vibrating tools might be restricted to the prevalence of Raynaud's phenomenon in the Japanese general population if the 2-h daily vibration exposure is about 4.5 m/s2 rms. (...)

    Mots-clés Pascal : Raynaud maladie, Exposition professionnelle, Vibration, Appareil vibrant, Membre supérieur, Homme, Valeur limite, Temps exposition, Japon, Asie, Recommandation, Médecine travail, Appareil circulatoire pathologie, Vaisseau sanguin pathologie, Capillaire sanguin pathologie, Peau pathologie, Système nerveux autonome pathologie, Acrosyndrome

    Mots-clés Pascal anglais : Raynaud disease, Occupational exposure, Vibration, Vibrating apparatus, Upper limb, Human, Boundary value, Exposure time, Japan, Asia, Recommendation, Occupational medicine, Cardiovascular disease, Vascular disease, Capillary vessel disease, Skin disease, Diseases of the autonomic nervous system, Acrosyndrome

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

    Cote : 97-0336626

    Code Inist : 002B12B03. Création : 12/09/1997.