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Drug-Induced Sleep Endoscopy DISE with Target Controlled Infusion TCI and Bispectral Analysis in Obstructive Sleep Apnea

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Obstructive Sleep Apnea and Auditory Dysfunction-Does Snoring Sound Play a Role?

Chun-Ting Lu¹, Li-Ang Lee^2,3, Guo-She Lee^4,5

¹Department of Otolaryngology-Head and Neck Surgery, New Taipei Municipal Tucheng Hospital (Built and Operated by Chang Gung Medical Foundation), New Taipei City 23652, Taiwan.

Diagnostics (Basel, Switzerland)

|October 27, 2022

Summary

Obstructive sleep apnea (OSA) is linked to tinnitus, especially with daytime sleepiness. Intra-ear canal snoring sound energy may damage the cochlea, contributing to tinnitus in OSA patients.

Keywords:

auditory dysfunction intra-ear canal snoring sound energy obstructive sleep apnea snoring tinnitus

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Area of Science:

Otorhinolaryngology
Sleep Medicine
Audiology

Background:

Obstructive sleep apnea (OSA) is a prevalent condition affecting sleep quality and cardiovascular health.
Auditory dysfunction, including tinnitus, is increasingly recognized as a potential comorbidity of OSA.
The specific mechanisms linking OSA to auditory issues, particularly the role of snoring, require further elucidation.

Purpose of the Study:

To investigate the relationship between obstructive sleep apnea (OSA) and auditory dysfunction.
To clarify the contribution of snoring sound energy to auditory dysfunction in OSA patients.
To explore the association between daytime sleepiness, snoring intensity, and tinnitus.

Main Methods:

A cohort of 50 participants underwent comprehensive assessments including overnight polysomnography for OSA.
Auditory function was evaluated using pure tone average (PTA), tinnitus pitch matching, tinnitus handicap inventory (THI), and Epworth sleepiness scale (ESS).
Intra-ear canal snoring sound energy (SSE) was measured to quantify acoustic exposure.

Main Results:

While most participants had normal hearing (92% normal PTA), 66% reported tinnitus.
Patients with tinnitus exhibited significantly higher ESS scores and higher intra-ear canal SSE in the 851-1500 Hz range compared to non-tinnitus patients.
Higher ESS scores in OSA patients correlated with an increased risk of tinnitus (OR 1.22).

Conclusions:

Auditory dysfunction in OSA is primarily manifested as tinnitus rather than hearing impairment.
Daytime sleepiness and high-frequency snoring sound energy are significant risk factors for tinnitus in OSA.
Intra-ear canal SSE measurement offers a precise method for assessing acoustic trauma to the auditory system, warranting further investigation.