Hearing Loss, Bilateral
Conditions
Interventions
Research participants will be patients who have undergone cochlear implant surgery. The intervention will be to change the directionality of the speech processor microphones, through specific software
Behavioural
Other
E01.370.382.375.060.060.750
Sponsors
Obras Sociais Irmã Dulce
Universidade Federal da Bahia
Eligibility
Age
18 Years to 70 Years
Inclusion criteria
Inclusion criteria: Age 18 years and over; bilateral severe and / or deep sensorineural hearing loss; hearing loss of postlingual origin; limited benefit with the use of hearing aids (sentence recognition threshold below 50% in the best ear with amplification); first cochlear implant surgery; absence of anatomical contraindications; fluency in Portuguese (Brazil), including reading and writing; signature of the Informed Consent Form.
Exclusion criteria
Exclusion criteria: Partial insertion of the electrodes in the cochlea (more than four electrodes out of the cochlea); patients who were in a closed set (ie, could not have any speech recognition without visual cues) at the time of the speech tests.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Improved speech perception in the presence of competitive noise using speech omni directionality, as measured by the Portuguese Sentence List test, after 9 months of cochlear implant activation, with speech recognition greater than 40%. | — |
Secondary
| Measure | Time frame |
|---|---|
| Improved speech perception in the presence of competitive noise using opti omni directionality, as measured by the Portuguese Sentence List test, after 3 months of cochlear implant activation, with speech recognition greater than 30%. | — |
Countries
Brazil
Contacts
Public ContactBianca Cordeiro
Universidade Federal da Bahia
Outcome results
None listed