NCT06251817Enrolling By Invitation不适用
The Wideband Acoustic Immittance Data in Thai Normal Hearing and Conductive Hearing Loss Adults
适应症
试验速览
- 阶段
- 不适用
- 状态
- Enrolling By Invitation
- 入组人数
- 290
- 试验地点
- 1
- 主要终点
- Normative data of wideband acoustic immittance in Thai normal hearing adults
研究概览
简要总结
The goal of this descriptive study is to collect the wideband immittance data in Thai normal hearing and conductive hearing loss adults. The main questions it aims to answer are:
- What is normative data of wideband acoustic immittance in Thai normal hearing adults
- 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
研究设计
- 研究类型
- Observational
- 观察模型
- Other
- 时间视角
- Cross Sectional
入排标准
- 年龄范围
- 18 Years 至 59 Years（Adult）
- 性别
- All
- 接受健康志愿者
- 是
入选标准
- •Normal group
- •Thai adults (18-60 years old)
- •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
- •Type A tympanogram with present ipsilateral acoustic reflex
- •No diagnosis of middle ear disease
- •No history of middle ear surgery
- •Normal finding in otoscopic examination
- •Conductive hearing loss group
- •Thai adults (18-60 years old)
- •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
- •Type A, As or Ad tympanogram with absent ipsilateral acoustic reflex
- •Normal finding in otoscopic examination
- •There is an appointment for exploration middle ear within 2 months
排除标准
- •Have previously had middle ear surgery
- •Have an earache
- •Type B or C tympanogram
- •Volunteers who do not cooperate in audiometry test or unable to do audiometry test
结局指标
主要结局
Normative data of wideband acoustic immittance in Thai normal hearing adults
时间窗: 3-4 months
Normative data of wideband acoustic immittance refers to wideband absorbance at peak pressure and wideband absorbance at ambient pressure at across frequency (226 to 8000 Hz.)
次要结局
- The wideband acoustic immittance data in Thai adults conductive hearing loss(16-18 months)
研究者
Nichtima Chayaopas
The collaborative Research Grants of CMU-KKU-PSU Cooperation Project
Khon Kaen University
研究点 (1)
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