Cochlear implant treatment of patients with single-sided deafness or asymmetric hearing loss

Background The rehabilitation of patients with single-sided deafness (SSD) or asymmetric hearing loss can be achieved with conventional (Bi)CROS hearing aids ((Bi)CROS-HA, (Bi)CROS), bone conduction devices (BCI) or with cochlear implants (CI). Unfortunately, only small case series have been publish...

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Bibliographic Details
Published in:HNO 2017-08, Vol.65 (Suppl 2), p.98-108
Main Authors: Arndt, S., Laszig, R., Aschendorff, A., Hassepass, F., Beck, R., Wesarg, T.
Format: Article
Language:English
Subjects:
Adult
Aged
Allergology
Audiometry, Pure-Tone
Bone Conduction
Cochlear Implants
Evidence-Based Medicine
Female
Head and Neck Surgery
Hearing Aids
Hearing Loss, Unilateral - rehabilitation
Humans
Male
Medicine
Medicine & Public Health
Middle Aged
Originalien
Otorhinolaryngology
Plastic Surgery
Prospective Studies
Young Adult
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Summary:Background The rehabilitation of patients with single-sided deafness (SSD) or asymmetric hearing loss can be achieved with conventional (Bi)CROS hearing aids ((Bi)CROS-HA, (Bi)CROS), bone conduction devices (BCI) or with cochlear implants (CI). Unfortunately, only small case series have been published on the treatment outcomes in SSD patients after CI surgery and there are only a few comparative studies evaluating rehabilitation outcomes. Objective The aim of this study was to provide evidence of successful treatment of SSD and asymmetric hearing loss with a CI compared to the untreated, monaural hearing condition and the therapy options of BCI and (Bi)CROS in a large number of patients. Materials and methods In a single-centre study, 45 patients with SSD and 40 patients with asymmetric hearing loss were treated with a CI after careful evaluation for CI candidacy. Monaural speech comprehension in noise and localisation ability were examined with (Bi)CROS-HA and BCI devices (on a test rod) both preoperatively and at 12 months after CI switch-on. At the same intervals, subjective evaluation of hearing ability was conducted using the Speech, Spatial and Qualities of Hearing Scale (SSQ). Results and discussion This report presents the first evidence of successful binaural rehabilitation with CI in a relatively large patient cohort and the advantages over (Bi)CROS and BCI in smaller subgroups, thus confirming the indication for CI treatment. Moreover, patients with long-term acquired deafness (>10 years) show a benefit from the CI comparable to that observed in patients with shorter-term deafness.
ISSN:0017-6192
1433-0458
DOI:10.1007/s00106-016-0297-5