Abstract
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.
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S. Arndt received travelling expenses from Advanced Bionics, Stäfa, Switzerland; financial support for research and travelling expenses from Cochlear Ltd, Australia; financial support for research and travelling expenses from Med-El, Innsbruck, Austria and travelling expenses from Oticon, Copenhagen, Denmark.
R. Laszig received financial support for research and travelling expenses from Advanced Bionics, Stäfa, Switzerland; financial support for research, travelling expenses and consultancy fees from Cochlear Ltd, Australia; travelling expenses from Oticon, Copenhagen, Denmark; financial support for research from Med-El, Innsbruck, Austria; financial support for research and travelling expenses from ARRIAG Munich, Germany; travelling expenses from Otologics Boulder, USA; travelling expenses from Sonova Holding, Stäfa, Switzerland; financial support for research from TKIH, Freiburg, Germany; travelling expenses from the General Secretary of the German HNO Society; contract fees, consultancy fees and travelling costs from Medupdate and fees from Springer Medicine EiC.
A. Aschendorff received travelling expenses, Medical advisory board and financial support for research from Advanced Bionics, Stäfa, Switzerland; financial support for research and travelling expenses from Cochlear Ltd, Australia; financial support for research and travelling expenses from Med-El, Innsbruck, Austria; travelling expenses and financial support for research from Oticon, Copenhagen, Denmark.
F. Hassepass received travelling expenses from Advanced Bionics, Stäfa, Switzerland and Cochlear Ltd, Australia.
R. Beck received travelling expenses from Cochlear Ltd, Australia.
T. Wesarg received consultancy fees, financial support for research and travelling expenses from Advanced Bionics, Stäfa, Switzerland; consultancy fees, financial support for research and travelling expenses from Med-El, Innsbruck, Austria; financial support for research and travelling expenses from Phonak Communications, Murten, Switzerland.
This article does not contain any studies with human participants or animals performed by any of the authors.
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W. Baumgartner, Wien
P. K. Plinkert, Heidelberg
M. Ptok, Hannover
C. Sittel, Stuttgart
N. Stasche, Kaiserslautern
B. Wollenberg, Lübeck
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Arndt, S., Laszig, R., Aschendorff, A. et al. Cochlear implant treatment of patients with single-sided deafness or asymmetric hearing loss. HNO 65 (Suppl 2), 98–108 (2017). https://doi.org/10.1007/s00106-016-0297-5
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DOI: https://doi.org/10.1007/s00106-016-0297-5