NL-OMON40771已完成不适用
Perceptual evaluation of changes in sound quality after surgically changing the shape of the osseous external auditory canal. - Changes in sound quality after surgically changing the OEAC
适应症
试验速览
- 阶段
- 不适用
- 状态
- 已完成
- 入组人数
- 50
研究概览
简要总结
Trial ended prematurely
研究设计
- 研究类型
- Observational
入排标准
- 年龄范围
- 18 至 99（—）
入选标准
- •- Aged 18 years or older.
- •- Sufficient knowledge of the Dutch language, both spoken and written, in order to being able to participate in the perceptual evaluation experiment.
- •- Hearing impaired subjects:
- •o Uni- or bilateral surgically altered OEAC
- •o pure tone hearing thresholds of 70 dB(HL) or better for all audiometric frequencies between 250 and 8000 Hz in the ear(s) with the altered OEAC.
- •- Normal hearing listeners:
- •o Pure tone hearing thresholds of 20 dB(HL) or better for all audiometric frequencies between 250 and 8000 Hz.
- •o no history of ear infection nor any ear surgery.
排除标准
- •- Pure tone hearing thresholds do not meet the specified criteria.
研究者
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