Bi-focal and extreme sensorineural deafness
Conditions
Interventions
Experimental group:Cochlear implant (CS-20A)
Sponsors
301 General Hospital of the PLA
Eligibility
Sex/Gender
All
Age
1 Years to 70 Years
Inclusion criteria
Inclusion criteria: 1. The patients under 7 years old were 12-83 months old, and the patients over 7 years old were 7 years old or older with bifocal and extremely severe sensorineural deafness; 2. Extreme deafness is less than 15 years old; 3. Wearing hearing AIDS has limited or no effect; 4. Audiological assessment and imaging assessment meet the requirements; 5. No contraindications to surgery or other severe congenital malformations; 6. The doctor diagnosed it as suitable for cochlear implant surgery; 7. There are conditions for hearing and speech rehabilitation education; 8. Smooth communication in Mandarin (Age 7 +); 9. Agreed to participate in the study and signed an informed consent form.
Exclusion criteria
Exclusion criteria: 1. Allergic to the implant material; 2. Severe inner ear deformity (except MONDINI deformity and large vestibular aquaqual syndrome (LVAS)); 3. Deafness caused by non-cochlear lesions (e.g.retrocochlear lesions, auditory neuropathy); 4. Middle ear infection or unhealed tympanicmembrane perforation; 5. Suffer from mental retardation; 6. Suffer from mental illness; 7. The general condition is poor, unable to accept surgery; 8. Abnormal brain structure (such as abnormal white matter development, demyelination disease, etc.); 9. Uncontrollable seizures; 10. Patients who do not understand the benefits and risks of cochlear implants and have unreasonable expectations; 11. Those who were assessed as unsuitable for inclusion by the researcher; 12. It doesn't fit all the tests.
Design outcomes
Primary
| Measure | Time frame |
|---|---|
| Overall therapeutic efficiency; | — |
Secondary
| Measure | Time frame |
|---|---|
| Auditory ability assessment;Verbal ability assessment;Acoustic field threshold assessment;Speech recognition rate of MSP monosyllabic group in quiet age over 7 years;Speech recognition rate of MSP sentences under noise (SNR +10 dB) over 7 years old; | — |
Countries
China
Contacts
Public ContactYang Shiming
301 General Hospital of the PLA
Outcome results
None listed