hearing loss
Conditions
Interventions
Evaluate Japanese speech recognition ability of hearing aid users using a test (CI2004) designed for cochlear implant users.
Sponsors
Kyushu University Hospital
Oticon Japan
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: 1. Able to understand and decide. 2. Native Japanese speaker. 3. Bilateral hearing loss with >= 45dB hearing threshold in 3-frequency average in both ears. 4. Maximum speech recognition >= 50% at least in one ear. 5. Speech recognition at 50dB <= 50% at least in one ear. 6. Provide written informed consent.
Exclusion criteria
Exclusion criteria: 1. Poor overall health that makes 3 sets of extensive hearing tests invasive. 2. Hearing loss due to bilateral acoustic neuroma. 3. Hearing loss due to intracranial surgery. 4. Hearing loss due to cranial trauma. 5. Scheduled chemotherapy that includes ototoxic anticancer drugs during the research period. 6. Other medical condition that a doctor decides inappropriate to include in the study.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| CI2004 Japanese speech recognition test score. | — |
Secondary
| Measure | Time frame |
|---|---|
| Pure tone audiogram, monosyllable recognition test under hearing aid, Speech, Spatial and Qualities of Hearing scale (SSQ) results. | — |
Countries
Japan
Contacts
Public ContactNozomu Matsumoto
Kyushu University Hospital Department of Otorhinolaryngology
Outcome results
None listed