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

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

Status

Active, not recruiting

Phases

Unknown

Study type

Observational

Source

NL-OMON

Registry ID

NL-OMON40771

Enrollment

Registered

2014-05-19

Start date

2014-10-16

Completion date

Unknown

Last updated

2024-04-23

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

ear canal surgery ear surgery

Interventions

None listed

Eligibility

Age

18 Years to 99 Years

Inclusion criteria

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

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 for the sound quality, measured by paired comparison category rating and a VAS.	—

Secondary

Measure	Time frame
-	—

Countries

Netherlands

Outcome results