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Hypertension and cochlear hearing loss

Tomasz Przewoźny1, Anna Gójska-Grymajło, Mariusz Kwarciany

  • 1Department of Otolaryngology, Medical University of Gdańsk , Gdańsk , Poland.

Blood Pressure
|June 3, 2015
PubMed

Insights

Hypertension significantly contributes to cochlear hearing loss through inner ear damage. Further research is needed to confirm this link in humans due to confounding factors.

Area of Science:

  • Otorhinolaryngology
  • Cardiology
  • Physiology

Background:

  • Hypertension is a major risk factor for cochlear hearing loss.
  • Pathophysiological processes in the cochlea are linked to hypertension.
  • Mechanisms include inner ear potassium imbalance and reduced cochlear oxygen.

Purpose of the Study:

  • To review experimental and clinical research on hypertension's role in cochlear hearing loss.
  • To explore the pathophysiological mechanisms involved.
  • To assess the current evidence in humans.

Main Methods:

  • Review of experimental studies.
  • Review of clinical research.
  • Analysis of animal models and human data.

Main Results:

  • Hypertension impacts cochlear function through mechanisms like potassium recycling disruption and hypoxia.
  • Human evidence linking hypertension to sensorineural hearing loss is often confounded.
  • Confounding factors include age, cardiovascular disease, diabetes, obesity, and lifestyle choices.

Conclusions:

  • Hypertension is a critical factor in cochlear hearing loss.
  • Further research is necessary to establish a definitive causal link in humans.
  • Understanding these mechanisms is vital for preventing hearing impairment.

Keywords:
Cochlear hearing losshypertensioninner ear diseases

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