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  1. Hearing threshold shifts, white-cell count and smoking status in working men.

    Article - En anglais

    The association between cardiovascular risk factors and high-frequency hearing loss (HFHL) was examined using medical records from 699 employees with low workplace noise exposure.

    High-frequency hearing (averaged frequencies of 4000,6000 and 8000 Hz) was significantly associated with white-blood-cell (WBC) count, smoking status, mean corpuscular volume and the globulin/albumin ratio, especially in men ¾40 years old.

    The association with WBC count remained significant after controlling for smoking, cholesterol, blood pressure, and determinants of blood viscosity.

    An increase in WBC count of 103/mm3 was associated with a 1.9 decibel (dB) decline in hearing (95% Cl : 0.9,3.0).

    Controlling for WBC count reduced the association between high-frequency hearing loss and smoking.

    Ever-smokers (former and current) compared with never-smokers demonstrated a 6.8 dB decline in hearing (95% Cl : 2.4,11.1).

    Associations between HFHL and cardiovascular risk factors are most apparent in younger adults with less cumulative noise exposure.

    HFHL may be a population marker for susceptibility to cardiovascular and cerebrovascular disease.

    Mots-clés Pascal : Surdité, Etiologie, Facteur risque, Appareil circulatoire, Numération, Leucocyte, Population active, Homme, Normal, Haute fréquence, Epidémiologie, ORL pathologie, Trouble audition

    Mots-clés Pascal anglais : Hearing loss, Etiology, Risk factor, Circulatory system, Numeration, Leukocyte, Labour force, Human, Normal, High frequency, Epidemiology, ENT disease, Auditory disorder

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

    Cote : 95-0469640

    Code Inist : 002B10D02. Création : 01/03/1996.