ear surgery mastoidectomy
Conditions
Interventions
None listed
Sponsors
Eligibility
Inclusion criteria
Inclusion criteria: - 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.
Exclusion criteria
Exclusion criteria: - Pure tone hearing thresholds do not meet the specified criteria.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| The main study parameter is the subjective preference of the subjects for the sound quality as perceived by a normal ear canal versus an open cavity mastoid, and by a normal ear canal versus an obliterated mastoid cavity. | — |
Secondary
| Measure | Time frame |
|---|---|
| - | — |
Countries
Netherlands