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Extra Benefit of a Second Cochlear Implant With Respect to Health-Related Quality of Life and Tinnitus

Olze, Heidi; Gräbel, Stefan; Haupt, Heidemarie; Förster, Ulrike; Mazurek, Birgit

doi: 10.1097/MAO.0b013e31825e799f
Cochlear Implants
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Objective To evaluate whether the second cochlear implant (CI) provides any extra benefit with respect to health-related quality of life, tinnitus, and auditory abilities.

Design The data were evaluated using validated questionnaires before and after the first and second CI supply. Preimplantation data were collected retrospectively.

Patients Forty postlingually deafened adults, 11 male and 29 female subjects were included in this study. All patients were sequentially bilaterally implanted with a multi-channel CI for at least 6 months.

Results The health-related quality of life assessed with the Nijmegen Cochlear Implant Questionnaire further increased after the second CI. In patients with initially higher level of tinnitus annoyance measured with the Tinnitus Questionnaire, the scores decreased after the first CI and remained steady after the second CI. Patients with initially lower level of tinnitus annoyance had a further decrease of the Tinnitus Questionnaire score after the second CI. Additionally, the second CI induced further improvement of auditory abilities, as assessed by the Oldenburg Inventory and the Freiburg monosyllable test in quiet and the HSM and Oldenburg sentence tests in noise. The quality of life scores correlated with the auditory abilities, especially after the second CI.

Conclusion The present study provides evidence that the second CI leads to further increase in quality of life and reduction of tinnitus annoyance in addition to improvement of auditory abilities as compared with the first CI. Patients with bilateral CIs benefit from additional positive effects in all these fields.

Charité–Universitätsmedizin Berlin, Department of Otorhinolaryngology, Berlin, Germany

Address correspondence and reprint requests to Heidi Olze, M.D., Ph.D., Charité–Universitätsmedizin Berlin, Campus Virchow Klinikum, Department of Otorhinolaryngology, Augustenburger Platz 1, 13353 Berlin, Germany; E-mail: heidi.olze@charite.de

The authors have no other funding or financial relationship.

The author discloses no conflicts of interest.

© 2012 Otology & Neurotology, Inc.