Hearing loss Hearing loss
Conditions
Interventions
Hearing aid
E07.305.906.500 E07.814.458
Sponsors
Kanzaki Sho
Eligibility
Sex/Gender
All
Inclusion criteria
Inclusion criteria: Patients who meet all of the following criteria (1)Patients whose written consent has been obtained by the individual. (2)Patients with sensorineural hearing loss in at least one ear, with an average of at least 25 dB and less than 70 dB at the four frequencies of 500 Hz,1000 Hz, 2000 Hz,and 4000 Hz on pure tone audiometry. (2)Mild to moderate range of hearing loss (between 25 dB and 70 dB) as defined by the quartiles (0.5,1,2,and 4 kHz) of pure tone audiometry. (3)Audiometric testing of speech sounds with best speech intelligibility greater than or equal to 50% in both ears. (4)Females and Male, 18 years of age or older at the time consent is obtained.
Exclusion criteria
Exclusion criteria: (1)Patients with perforated eardrum. (2)Patients with congenital hearing loss. (3)Patients with cognitive impairment or psychiatric disorders that may interfere with the examination upon interview. (4)Other patients deemed by the principal/assistant investigator to be excluded due to safety concerns or other reasons.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Average of hearing level of Sound field hearing test(dB) | — |
Secondary
| Measure | Time frame |
|---|---|
| Sound field Speech test, speech in noise, real-ear measurement | — |
Contacts
Public ContactSho Kanzaki
National Hospital organization of Tokyo Medical Center
Outcome results
None listed