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  1. Neurological and electrophysiological examination on workers exposed to mercury vapors.

    Article - En anglais

    Neurological and Electrophysiological Examination on Workers Exposed to Mercury Vapors.

    Neurotoxicology 17 (1) : 191-196,1996.

    The authors carried out neurological examination, visual evoked potentials (VEP) examination, and electromyography (EMG) on 77 workers, aged 21 - 61 yrs, who were exposed occupationally to Hg° vapors for 1 - 20 yrs (mean 9 yrs).

    The mean air-borne concentration of Hg° was 0.25 mg/m3 (range 0.02 - 1.00 mg m3), and the mean Hg urinary concentration was 0.21 mg/l (range 0.02 - 0.77 mg/l).

    Symptoms of erethism (generally accepted as a typical sign of micromercurialism) were reported in about 80% of the workers.

    The static tremor of fingers (in 25%), and the absence of ankle jerk (in 20%) were the most frequently observed signs.

    VEP was abnormal in 39 workers (51%), but in 25 of those, an explanation for this finding could be found in their history andlor neurological status.

    In the 14 remaining cases, the connection with exposure to Hg° has been considered.

    A polyneuropathic pattern of EMG abnormality was found in 5 workers, an isolated EMG abnormality of the sural nerve in 13 workers.

    In 9 workers no other obvious cause for EMG abnormality was found but exposure to mercury. (...)

    Mots-clés Pascal : Mercure, Métal lourd, Toxicité, Homme, Vapeur, Inhalation, Exposition professionnelle, Médecine travail, Test neuropsychologique, Potentiel évoqué visuel, Electromyographie, Electrophysiologie, Système nerveux pathologie

    Mots-clés Pascal anglais : Mercury, Heavy metal, Toxicity, Human, Vapor, Inhalation, Occupational exposure, Occupational medicine, Neuropsychological test, Visual evoked potential, Electromyography, Electrophysiology, Nervous system diseases

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

    Cote : 96-0357550

    Code Inist : 002B03L05. Création : 10/04/1997.