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Age-related High-frequency Hearing Loss Is Not Associated With Horizontal Semicircular Canal Function
Nick M A Schubert1,2, Catelijne G Roelofs1,2, Rolien H Free1,2
1Department of Otorhinolaryngology and Head/Neck Surgery, University of Groningen, University Medical Center Groningen, Groningen, The Netherlands.
Ear and Hearing
|June 13, 2022
Summary
Age-related high-frequency hearing loss does not predict reduced horizontal semicircular canal (HSC) function. This study found no association between hearing loss and age-related vestibular decline, but did note sex-specific differences in HSC function.
Area of Science:
- Otolaryngology
- Neuroscience
- Gerontology
Background:
- Age-related hearing loss is common, and peripheral vestibular function can decline with age.
- The relationship between age-related hearing loss and vestibular hypofunction is not fully understood.
- Assessing both high-frequency hearing and horizontal semicircular canal (HSC) function may offer insights.
Purpose of the Study:
- To investigate the association between age-related high-frequency hearing loss and reduced peripheral vestibular function.
- To determine if high-frequency hearing loss can predict age-related vestibular hypofunction.
- To analyze sex-specific differences in hearing and vestibular function.
Main Methods:
- Retrospective cross-sectional study of 185 patients with cerebellopontine angle (CPA) tumors.
- Evaluated high-frequency hearing using the high Fletcher index (hFI).
- Assessed horizontal semicircular canal (HSC) function via caloric reflex testing and video head-impulse testing (vHIT).
Main Results:
- A significant association was found between age and high-frequency hearing loss, which was more pronounced in men.
- No significant association was observed between age and HSC function using either caloric testing or vHIT.
- High-frequency hearing loss did not predict HSC hypofunction; however, sex-specific differences in HSC function were noted.
Conclusions:
- There is no evidence of an age-related decline in HSC function or an association between age-related high-frequency hearing loss and such decline.
- Sex-specific differences in HSC function exist, suggesting a need for sex-specific normative values.
- Future research should integrate comprehensive inner ear function assessments with balance and stability tests to understand age-related hearing loss and imbalance.
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