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

The objective of the study was to investigate the relationship between obstructive sleep apnea (OSA) and auditory dysfunction, and to clarify the role of snoring sounds in contributing to auditory dysfunction. A comprehensive assessment of OSA and the auditory system was performed, including overnig...

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Main Authors: Chun-Ting Lu, Li-Ang Lee, Guo-She Lee, Hsueh-Yu Li
Format: Article
Language:English
Published: MDPI AG 2022-09-01
Series:Diagnostics
Subjects:
Online Access:https://www.mdpi.com/2075-4418/12/10/2374
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author Chun-Ting Lu
Li-Ang Lee
Guo-She Lee
Hsueh-Yu Li
author_facet Chun-Ting Lu
Li-Ang Lee
Guo-She Lee
Hsueh-Yu Li
author_sort Chun-Ting Lu
collection DOAJ
description The objective of the study was to investigate the relationship between obstructive sleep apnea (OSA) and auditory dysfunction, and to clarify the role of snoring sounds in contributing to auditory dysfunction. A comprehensive assessment of OSA and the auditory system was performed, including overnight polysomnography, detection of the intra-ear canal snoring sound energy (SSE), pure tone average (PTA), tinnitus pitch matching, the tinnitus handicap inventory (THI), and the Epworth sleepiness scale (ESS). The patients were identified as having tinnitus if their THI score was higher than zero or their tinnitus pitches were matched to specific frequencies. The median age, body mass index, and apnea–hypopnea index score were 41 years, 26.4 kg/m<sup>2</sup>, and 29.9 events/h, respectively. Among the 50 participants, 46 (92%) had a normal PTA, and only 4 (8%) patients had mild hearing loss. There was no significant difference in PTA among OSA severities (<i>p</i> = 0.52). Among the 50 participants, 33 patients (66%) were identified as having tinnitus. In the tinnitus group (n = 33), the ESS score (<i>p</i> = 0.01) and intra-ear canal SSE of 851–1500 Hz (<i>p</i> = 0.04) were significantly higher than those in the non-tinnitus group (n = 17). OSA patients with a higher ESS score had a higher risk of tinnitus (odds ratio 1.22 [95% CI: 1.01–1.46]). OSA-related auditory dysfunction emerged in tinnitus rather than in hearing impairment. OSA patients with daytime sleepiness had a higher risk of tinnitus. High-frequency SSE can jeopardize cochlea and is a potential mechanism contributing to tinnitus. Detection of snoring sounds through an intra-ear canal device may be more precise in assessing acoustic trauma from snoring sounds to vulnerable auditory system and thus warrants further research.
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spelling doaj.art-664656b74f2b468aa10f5d653c4350502023-11-23T23:44:07ZengMDPI AGDiagnostics2075-44182022-09-011210237410.3390/diagnostics12102374Obstructive Sleep Apnea and Auditory Dysfunction—Does Snoring Sound Play a Role?Chun-Ting Lu0Li-Ang Lee1Guo-She Lee2Hsueh-Yu Li3Department of Otolaryngology-Head and Neck Surgery, New Taipei Municipal Tucheng Hospital (Built and Operated by Chang Gung Medical Foundation), New Taipei City 23652, TaiwanDepartment of Otorhinolaryngology-Head and Neck Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan City 333, TaiwanFaculty of Medicine, School of Medicine, National Yang-Ming University, Taipei 112, TaiwanDepartment of Otorhinolaryngology-Head and Neck Surgery, Linkou Chang Gung Memorial Hospital, Taoyuan City 333, TaiwanThe objective of the study was to investigate the relationship between obstructive sleep apnea (OSA) and auditory dysfunction, and to clarify the role of snoring sounds in contributing to auditory dysfunction. A comprehensive assessment of OSA and the auditory system was performed, including overnight polysomnography, detection of the intra-ear canal snoring sound energy (SSE), pure tone average (PTA), tinnitus pitch matching, the tinnitus handicap inventory (THI), and the Epworth sleepiness scale (ESS). The patients were identified as having tinnitus if their THI score was higher than zero or their tinnitus pitches were matched to specific frequencies. The median age, body mass index, and apnea–hypopnea index score were 41 years, 26.4 kg/m<sup>2</sup>, and 29.9 events/h, respectively. Among the 50 participants, 46 (92%) had a normal PTA, and only 4 (8%) patients had mild hearing loss. There was no significant difference in PTA among OSA severities (<i>p</i> = 0.52). Among the 50 participants, 33 patients (66%) were identified as having tinnitus. In the tinnitus group (n = 33), the ESS score (<i>p</i> = 0.01) and intra-ear canal SSE of 851–1500 Hz (<i>p</i> = 0.04) were significantly higher than those in the non-tinnitus group (n = 17). OSA patients with a higher ESS score had a higher risk of tinnitus (odds ratio 1.22 [95% CI: 1.01–1.46]). OSA-related auditory dysfunction emerged in tinnitus rather than in hearing impairment. OSA patients with daytime sleepiness had a higher risk of tinnitus. High-frequency SSE can jeopardize cochlea and is a potential mechanism contributing to tinnitus. Detection of snoring sounds through an intra-ear canal device may be more precise in assessing acoustic trauma from snoring sounds to vulnerable auditory system and thus warrants further research.https://www.mdpi.com/2075-4418/12/10/2374obstructive sleep apneasnoringauditory dysfunctiontinnitusintra-ear canal snoring sound energy
spellingShingle Chun-Ting Lu
Li-Ang Lee
Guo-She Lee
Hsueh-Yu Li
Obstructive Sleep Apnea and Auditory Dysfunction—Does Snoring Sound Play a Role?
Diagnostics
obstructive sleep apnea
snoring
auditory dysfunction
tinnitus
intra-ear canal snoring sound energy
title Obstructive Sleep Apnea and Auditory Dysfunction—Does Snoring Sound Play a Role?
title_full Obstructive Sleep Apnea and Auditory Dysfunction—Does Snoring Sound Play a Role?
title_fullStr Obstructive Sleep Apnea and Auditory Dysfunction—Does Snoring Sound Play a Role?
title_full_unstemmed Obstructive Sleep Apnea and Auditory Dysfunction—Does Snoring Sound Play a Role?
title_short Obstructive Sleep Apnea and Auditory Dysfunction—Does Snoring Sound Play a Role?
title_sort obstructive sleep apnea and auditory dysfunction does snoring sound play a role
topic obstructive sleep apnea
snoring
auditory dysfunction
tinnitus
intra-ear canal snoring sound energy
url https://www.mdpi.com/2075-4418/12/10/2374
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