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Vestibular functions in patients with tinnitus only
Kadri Ila1, Emre Soylemez1, Nihat Yilmaz1
1a Department of Otolaryngology , Karabuk University Faculty of Medicine , Karabuk , Turkey.
Acta Oto-Laryngologica
|February 9, 2019
Summary
Tinnitus, even without hearing loss, is linked to abnormal vestibular function. This suggests tinnitus may be an early indicator of vestibular dysfunction, highlighting the need for further investigation.
Area of Science:
- Otolaryngology
- Neurology
- Audiology
Background:
- Tinnitus is often associated with hearing loss and vestibular problems.
- The relationship between tinnitus and vestibular function in individuals without hearing loss requires further investigation.
Purpose of the Study:
- To evaluate vestibular function in patients experiencing tinnitus but normal hearing.
- To explore the potential link between tinnitus and subclinical vestibular dysfunction.
Main Methods:
- Videonystagmography, including oculomotor and caloric tests, was performed on 32 tinnitus patients and 30 controls.
- Patients completed the Tinnitus Handicap Inventory; tinnitus side and duration were recorded.
Main Results:
- Abnormal caloric tests were observed in 40.6% of tinnitus patients versus 0% in controls.
- Severe tinnitus correlated with a higher frequency of abnormal caloric responses.
- Statistically significant differences were found in optokinetic gain between groups.
Conclusions:
- A significant relationship exists between tinnitus and abnormal caloric vestibular responses.
- Tinnitus, even in the absence of hearing loss, may serve as an initial symptom of underlying vestibular dysfunction.
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