The Wideband Acoustic Immittance Data in Thai Normal Hearing and Conductive Hearing Loss Adults
NCT ID: NCT06251817
Last Updated: 2024-07-26
Study Results
The study team has not published outcome measurements, participant flow, or safety data for this trial yet. Check back later for updates.
Basic Information
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ENROLLING_BY_INVITATION
290 participants
OBSERVATIONAL
2024-02-05
2026-02-26
Brief Summary
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1. What is normative data of wideband acoustic immittance in Thai normal hearing adults
2. What is the wideband acoustic immittance data in Thai conductive hearing loss who have type A, AS and Ad tympanogram Participants will examine hearing tests consequently
* pure tone audiometry
* Tympanometry with ipsilateral acoustic reflex
* Wideband acoustic immittance
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Detailed Description
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Conditions
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Study Design
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OTHER
CROSS_SECTIONAL
Eligibility Criteria
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Inclusion Criteria
1. Thai adults (18-60 years old)
2. Pure-tone air-conduction thresholds ≤ 25 dB HL, measured at audiometric frequencies 250, 500, 1000, 2000, 3000, 4000, 6000 and 8000 Hz and air-bone gab \< 10 dBHL at frequencies 500, 1000, 2000 and 4000 Hz
3. Type A tympanogram with present ipsilateral acoustic reflex
4. No diagnosis of middle ear disease
5. No history of middle ear surgery
6. Normal finding in otoscopic examination
Conductive hearing loss group
1. Thai adults (18-60 years old)
2. Pure-tone air-conduction thresholds \> 25 dB HL, measured at audiometric frequencies 250, 500, 1000, 2000, 3000, 4000, 6000 and 8000 Hz and air-bone gab \> 10 dBHL at frequencies 500, 1000, 2000 and 4000 Hz at least 2 frequencies in one ear
3. Type A, As or Ad tympanogram with absent ipsilateral acoustic reflex
4. Normal finding in otoscopic examination
5. There is an appointment for exploration middle ear within 2 months
Exclusion Criteria
2. Have an earache
3. Type B or C tympanogram
4. Volunteers who do not cooperate in audiometry test or unable to do audiometry test
18 Years
59 Years
ALL
Yes
Sponsors
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Prince of Songkla University
OTHER
Chiang Mai University
OTHER
Khon Kaen University
OTHER
Responsible Party
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Nichtima Chayaopas
The collaborative Research Grants of CMU-KKU-PSU Cooperation Project
Locations
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Department of otolaryngology
Khon Kaen, , Thailand
Countries
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Other Identifiers
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67/1-2-2-1-001
Identifier Type: -
Identifier Source: org_study_id
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