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Correlations between certain hearing changes and vegetative balance in miners.

L Tsaneva1, R Dukov

  • 1National Center of Hygiene, Medical Ecology and Nutrition, Sofia, Bulgaria.

Central European Journal of Public Health
|April 8, 2004
PubMed
Summary

This study links miners' hearing health to their autonomic nervous system balance, measured by analysis of heart rate variability (AHRV). Findings reveal significant correlations between hearing changes and AHRV, indicating chronic stress impacts both systems.

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Area of Science:

  • Occupational Health
  • Cardiology
  • Audiology

Background:

  • Workplace factors in mining pose risks to cardiovascular health.
  • Cardiovascular diseases affect active working-age populations.
  • Understanding the interplay between occupational stressors and physiological responses is crucial.

Purpose of the Study:

  • To investigate the relationship between autonomic balance, assessed via analysis of heart rate variability (AHRV), and hearing function in miners.
  • To identify potential extra-aural effects of occupational stress on miners' health.
  • To inform strategies for monitoring and managing health risks in the mining industry.

Main Methods:

  • Analysis of heart rate variability (AHRV) using computer analysis of R-R intervals from ECG signals.

Related Experiment Videos

  • Examination of 25 miners without pre-existing hearing issues.
  • Statistical correlation analysis between AHRV indices and hearing status.

    • Main Results:

    • Significant correlations were found between AHRV indices and hearing changes in miners.
    • Chronic sympathicotonia, indicated by AHRV, was observed.
    • Evidence suggests an extra-aural occupational effect impacting both autonomic balance and hearing.

    Conclusions:

    • Autonomic nervous system imbalance (chronic sympathicotonia) is linked to hearing impairment in miners exposed to occupational stress.
    • AHRV is a valuable tool for detecting early physiological changes related to work-related stress.
    • Findings support the need for integrated health monitoring systems for workers in high-stress industries.