Evaluation of the Bimodal Benefit in a Large Cohort of Cochlear Implant Subjects Using a Contralateral Hearing Aid

Illg, Angelika; Bojanowicz, Margarete; Lesinski‐Schiedat, Anke; Lenarz, Thomas; Büchner, Andreas

doi:10.1097/mao.0000000000000529

Cited by 68 publications

(66 citation statements)

References 19 publications

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“…Using Chi-Square and One- Way-ANOVA -due to small test number-we could achieve no statistical significance. A speech perception from 52% to 85% could be achieved and therefore expresses the average outcome for our implanted patients 21 .…”

Section: Resultsmentioning

confidence: 99%

Cochlear implantation improves hearing and vertigo in patients after removal of vestibular schwannoma

Roemer¹,

Lenarz²,

Lesinski‐Schiedat³

2017

The International Tinnitus Journal

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Objective: With rising quality of speech perception in cochlear implant users, the indication widens. Nowadays, cochlear implantation is reasonable even in vestibular schwannoma patients. Speech perception with a cochlear implant is in these patients as promising as in patients with sensorineural hearing loss. However, the impact of cochlear implantation on vertigo and tinnitus after removal of vestibular schwannoma has not been investigated yet. Methods: In a retrospective study, we analysed 12 patients treated with a cochlear implant after removal of vestibular schwannoma. Results: In addition to a promising hearing perception -all patients reported improvement of vertigo. This improvement was also demonstrated by postural analysis. Improvement of tinnitus was achieved in 50% of the patients. Conclusion: Cochlear implantation seems a promising treatment for hearing loss, vertigo and even tinnitus in patients after removal of vestibular schwannoma. However, for successful cochlear implantation with adequate speech perception and improvement of vertigo and tinnitus, functional hearing nerve and intact inner ear anatomy is necessary.

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Section: Resultsmentioning

confidence: 99%

Cochlear implantation improves hearing and vertigo in patients after removal of vestibular schwannoma

Roemer¹,

Lenarz²,

Lesinski‐Schiedat³

2017

The International Tinnitus Journal

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“…The previous clinical report [Illg et al, 2014] and many others identify another bilateral advantage, which, although pertaining to binaural summation, is important enough to be singled out. The use of low-frequency information relating to the fundamental frequency of a complex sound (e.g.…”

Section: Robustness Of Binaural Benefits In Cases Of Asymmetric Rehabmentioning

confidence: 99%

“…Among the most recent publications, the head shadow effect, binaural summation, binaural squelch and improved sound localisation have been reported, with good, subjective benefit as well [Laszig et al, 2004;Potts et al, 2009;Firszt et al, 2012;Hua et al, 2012;Morera et al, 2012;Dwyer et al, 2014], even though most of these reports analysed patients in whom one ear was stimulated electrically and the other ear acoustically. An example that illustrates how a significant effect may still be a modest one, which emerges only when large cohorts are analysed, is provided by the report of a significant bimodal benefit in a sample of 141 patients fitted with an implant on one side and a conventional hearing aid on the other side [Illg et al, 2014]. Residual hearing was found to significantly correlate with the patients' benefits, but the percentage of variance explained by this correlation was between 5 and 10%, which indicates that the performance almost entirely depended on other, unknown factors.…”

Section: Robustness Of Binaural Benefits In Cases Of Asymmetric Rehabmentioning

confidence: 99%

Importance of Binaural Hearing

2015

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An essential task for the central auditory pathways is to parse the auditory messages sent by the two cochleae into auditory objects, the segregation and localisation of which constitute an important means of separating target signals from noise and competing sources. When hearing losses are too asymmetric, the patients face a situation in which the monaural exploitation of sound messages significantly lessens their performance compared to what it should be in a binaural situation. Rehabilitation procedures must aim at restoring as many binaural advantages as possible. These advantages encompass binaural redundancy, head shadow effect and binaural release from masking, the principles and requirements of which make up the topic of this short review. Notwithstanding the complete understanding of their neuronal mechanisms, empirical data show that binaural advantages can be restored even in situations in which faultless symmetry is inaccessible.

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“…These patients are good candidates for the use of a CI in one ear and a hearing aid (HA) in the other ear, which is referred to as bimodal hearing. Bimodal hearing has shown improved speech recognition in quiet and in noise and sound localisation compared to unilateral CI use alone (Morera et al, 2012;Illg et al, 2014;Blamey et al, 2015;Dorman et al, 2015). However, in acoustically complex, real-life environments, speech comprehension remains a challenge.…”

Section: Introductionmentioning

confidence: 99%

Evaluation of a wireless remote microphone in bimodal cochlear implant recipients

Vroegop

Dingemanse

Homans

et al. 2017

International Journal of Audiology

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Objective: To evaluate the benefit of a wireless remote microphone (MM) for speech recognition in noise in bimodal adult cochlear implant (CI) users both in a test setting and in daily life. Design: This prospective study measured speech reception thresholds in noise in a repeated measures design with factors including bimodal hearing and MM use. The participants also had a 3-week trial period at home with the MM. Study sample: Thirteen post-lingually deafened adult bimodal CI users. Results: A significant improvement in SRT of 5.4 dB was found between the use of the CI with the MM and the use of the CI without the MM. By also pairing the MM to the hearing aid (HA) another improvement in SRT of 2.2 dB was found compared to the situation with the MM paired to the CI alone. In daily life, participants reported better speech perception for various challenging listening situations, when using the MM in the bimodal condition. Conclusion: There is a clear advantage of bimodal listening (CI and HA) compared to CI alone when applying advanced wireless remote microphone techniques to improve speech understanding in adult bimodal CI users.

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Evaluation of the Bimodal Benefit in a Large Cohort of Cochlear Implant Subjects Using a Contralateral Hearing Aid

Cited by 68 publications

References 19 publications

Cochlear implantation improves hearing and vertigo in patients after removal of vestibular schwannoma

Cochlear implantation improves hearing and vertigo in patients after removal of vestibular schwannoma

Importance of Binaural Hearing

Evaluation of a wireless remote microphone in bimodal cochlear implant recipients

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