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Frequency of pathologic changes in the middle ear.

R Rudin, J Holmquist

    The Annals of Otology, Rhinology & Laryngology. Supplement
    |May 1, 1980
    PubMed
    Summary
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    Middle ear pathology is common in 60-year-old men, with 37% showing changes. Chronic otitis, found in 5%, significantly impacts hearing and is linked to social class and noise exposure.

    Area of Science:

    • Otolaryngology
    • Public Health

    Background:

    • Middle ear pathologies can lead to significant hearing impairment.
    • Prevalence studies are crucial for understanding the public health burden of ear conditions.

    Purpose of the Study:

    • To determine the frequency of pathological changes in the middle ear of 60-year-old males.
    • To investigate the relationship between these changes, hearing impairment, and social factors.

    Main Methods:

    • Otomicroscopy of eardrums.
    • Audiometric testing.
    • X-ray imaging of the mastoid cell system.

    Main Results:

    • Pathological changes were observed in 37% of the 767 examined men.
    • Chronic otitis was present in 5%, with 95% of these individuals experiencing hearing impairment.

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  • Reduced mastoid cell area was noted in chronic otitis patients and correlated with low social class and noise injury.

    • Conclusions:

    • Middle ear pathology is prevalent in this demographic.
    • Chronic otitis significantly contributes to hearing loss.
    • Social class and noise exposure are associated with mastoid alterations and hearing issues.