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[Diabetic complications and hypoacusia]

M Acuña García1, J L Herrero Laso, C Durán Díez

  • 1Hospital del Río Hortega, Valladolid, Servicio de Otorrinolaringología.

Anales Otorrinolaringologicos Ibero-Americanos
|January 1, 1997
PubMed
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Diabetes mellitus (DM) is linked to hearing loss, specifically neurosensory impairment affecting higher frequencies. This study confirms a bilateral, symmetrical hearing deficit in type II DM patients compared to controls.

Area of Science:

  • Otorhinolaryngology
  • Endocrinology
  • Audiology

Background:

  • The link between diabetes mellitus and hearing loss (hypacusia) has been debated since 1857.
  • Hypoacusis in diabetics is often bilateral, progressive, neurosensory, and affects high frequencies.
  • Potential causes include angiopathic (vascular) or neuropathic (nerve-related) origins.

Purpose of the Study:

  • To investigate the relationship between type II diabetes mellitus and hearing impairment.
  • To compare audiometric results in diabetic patients with a control group.
  • To explore correlations between diabetes complications (retinopathy, neuropathy) and hearing loss.

Main Methods:

  • Audiometric examination (threshold and supraliminar tests) of 40 type II diabetes mellitus patients.

Related Experiment Videos

  • Comparison of results with a healthy control group.
  • Statistical analysis using the Man Whitney U test; review of existing literature.

    • Main Results:

    • A sensorineural, bilateral, and symmetrical hearing impairment was identified in diabetic patients.
    • The study found a significant difference in hearing ability between the diabetic and control groups.
    • Correlations between hearing impairment and diabetes complications were assessed.

    Conclusions:

    • Diabetes mellitus, particularly type II, is associated with significant sensorineural hearing impairment.
    • The findings support a link between diabetes and hearing loss, likely due to underlying vascular or neural damage.
    • Further research is warranted to elucidate the precise mechanisms and clinical implications.