Perceptual evaluation of changes in sound quality after mastoidectomy: open cavity mastoid versus obliterated mastoid cavity.
- Conditions
- 10015732ear surgerymastoidectomy
- Registration Number
- NL-OMON50662
- Lead Sponsor
- Academisch Medisch Centrum
- Brief Summary
Not available
- Detailed Description
Not available
Recruitment & Eligibility
- Status
- Completed
- Sex
- Not specified
- Target Recruitment
- 30
- Aged 18 years or older.
- Single sided open cavity mastoid, or a single sided obliterated mastoid, with
pure tone hearing thresholds of 70 dB(HL) or better for all audiometric
frequencies between 250 and 8000 Hz.
- Normal external ear properties in the contralateral ear, with no history of
middle ear or mastoid surgery, and pure tone hearing thresholds of 20 dB(HL) or
better for all audiometric frequencies between 250 and 8000 Hz.
- Sufficient knowledge of the Dutch language, both spoken and written, in order
to being able to participate in the perceptual evaluation experiment.
- 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 of the subjects for the<br /><br>sound quality as perceived by a normal ear canal versus an open cavity mastoid,<br /><br>and by a normal ear canal versus an obliterated mastoid cavity. </p><br>
- Secondary Outcome Measures
Name Time Method <p>-</p><br>