Factors Affecting Early Progress of Cochlear Implant Outcomes in Adults

Barriers to Early Progress in Cochlear Implant Outcomes: a Non-interventional Feasibility Study

The aim of this study is to understand how audiometric, cognitive and electrophysiological results relate to sentence recognition score in adults using currently a Nucleus cochlear implant.

Inclusion Criteria:

• Adult subjects, 18 years or older
• Subjects unilaterally implanted or bilaterally implanted with at least 6 months separating the two cochlear implantations.
• Subjects who have been implanted between January 2016 and December 2021.
• Subjects have received a Nucleus CI: CI512, CI522 or CI532 cochlear implants with non-rotating magnet, or CI600 series equivalent CI612, CI622 and CI632 with rotating magnet and external sound processors CP900 or CP1000 behind-the-ear, or Kanso or Kanso 2 off-the-ear types.
• Subjects who are fluent in French (language used in the questionnaire and speech tests)
• Subjects who are not opposed to participating in the study
• Subjects for who the medical record data is available throughout the defined data search period.

Exclusion Criteria:

• Subjects with single-sided deafness (SSD).
• Subjects who are not affiliated to the French Social Security.
• Subjects who are under legal protection.