Perceptual evaluation of changes in sound quality after surgically changing the shape of the osseous external auditory canal.

Completed

• Conditions: ear canal surgery; ear surgery; 10015732

• Registration Number: NL-OMON40771
• Lead Sponsor: Academisch Medisch Centrum

Brief Summary

Trial ended prematurely

Detailed Description

Not available

Study Timeline

• Results First Posted: 2017-10-19
• Last Update Posted: 23 April 2024

Recruitment & Eligibility

• Status: Completed
• Sex: Not specified
• Target Recruitment: 50

Inclusion Criteria

- 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.

Exclusion Criteria

- Pure tone hearing thresholds do not meet the specified criteria.

Study & Design

• Study Type: Observational non invasive
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
<p>The main study parameter is the subjective preference for the sound quality,<br /><br>measured by paired comparison category rating and a VAS.</p><br>

Secondary Outcome Measures

Name	Time	Method
<p>-</p><br>