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Tinnitus, heart rate variability, and some biochemical indicators
E Datzov1, S Danev, H Haralanov
1Department of Physiology, Psychology, and Ergonomics, National Center of Hygiene, Medical Ecology, and Nutrition, Sofia.
The International Tinnitus Journal
|April 7, 2000
Summary
Tinnitus is linked to autonomic nervous system imbalance, particularly sympathetic overactivity, and suppressed heart rate variability. Occupational stress exacerbates these effects in tinnitus patients.
Area of Science:
- Neurootology
- Autonomic Nervous System Research
- Biochemical Analysis
Background:
- Tinnitus is a complex auditory condition often associated with autonomic nervous system dysfunction.
- Understanding the interplay between tinnitus, autonomic balance, and biochemical markers is crucial for effective management.
Purpose of the Study:
- To investigate the relationship between tinnitus and autonomic equilibrium using heart rate variability (HRV).
- To examine specific biochemical indicators, including serotonin and the colored sedimentary uric reaction of Kimbarovski (CSURK), in tinnitus patients.
- To explore the impact of occupational stress on autonomic function and health risk in individuals with tinnitus.
Main Methods:
- Neurootological examination of 23 tinnitus patients (ages 25-66).
- Measurement of heart rate variability (HRV) to assess autonomic nervous system activity.
- Analysis of biochemical markers: serotonin and CSURK.
Main Results:
- Predominance of the sympathetic nervous system and suppressed HRV were observed in 19 patients with vertebrobasilar circulation disturbances.
- Higher suppression of HRV and increased health risk were noted in four occupationally exposed patients, linked to work-related stress.
- Changes in health risk, CSURK, and serotonin levels were observed and discussed in four tinnitus patients.
Conclusions:
- Tinnitus is associated with autonomic imbalance, characterized by sympathetic overactivity and reduced HRV.
- Occupational stress significantly contributes to heightened autonomic dysfunction and health risks in tinnitus patients.
- Further research into biochemical markers like CSURK and serotonin may offer insights into tinnitus pathophysiology.