Cochlear implantation in asymmetrical hearing loss for children: Our experience

Tzifa, Konstance; Hanvey, Kate

doi:10.1179/1467010013z.000000000137

Cited by 13 publications

(21 citation statements)

References 2 publications

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“…Results from CI surgery in young children with acquired SSD suggest results comparable to those of adults suffering from acquired SSD [Cadieux et al, 2013;Hassepass et al, 2013;Plontke et al, 2013;Tzifa and Hanvey, 2013;Távora-Vieirea and Rajan, 2015]. Evidence of rehabilitation of binaural hearing skills in quiet and noise as well as improvement in the localisation of sounds has been demonstrated.…”

Section: Introductionmentioning

confidence: 82%

“…Evidence of rehabilitation of binaural hearing skills in quiet and noise as well as improvement in the localisation of sounds has been demonstrated. Moreover, CI surgery remains the only treatment option available to individuals with SSD that may enable children to regain or improve binaural hearing [Arndt et al, 2011b;Cadieux et al, 2013;Gordon et al, 2013;Plontke et al, 2013;Tzifa and Hanvey, 2013]. Hassepass et al [2013] reported improvements in speech comprehension in noise and localisation of sound following CI surgery in 3 children with unilateral hearing loss (UHL).…”

Section: Introductionmentioning

confidence: 99%

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Cochlear Implantation in Children with Single-Sided Deafness: Does Aetiology and Duration of Deafness Matter?

et al. 2015

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For adult patients with single-sided deafness (SSD), treatment with a cochlear implant (CI) is well established as an acceptable and beneficial hearing rehabilitation method administered routinely in clinical practice. In contrast, for children with SSD, CI has been applied less often to date, with the rationale to decide either on a case-by-case basis or under the realm of clinical research. The aim of our clinical study was to evaluate the longitudinal benefits of CI for a group of children diagnosed with SSD and to compare their outcomes with respect to patient characteristics. Evaluating a pool of paediatric SSD patients presenting for possible CI surgery revealed that the primary aetiology of deafness was congenital cochlear nerve deficiency. A subgroup of children meeting the CI candidacy criteria for the affected ear (the majority with acquired hearing loss) were enrolled in the study. Preliminary group results suggest substantial improvements in speech comprehension in noise and in the ability to localise sound, which was demonstrated through objective and subjective assessments after CI treatment for the group, with results varying from patient to patient. Our study shows a trend towards superior outcomes for children with acquired hearing loss and a shorter duration of hearing loss compared to congenitally deafened children who had a longer duration of SSD. This indicates an interactive influence of the age at onset, aetiology and duration of deafness upon the restoration of binaural integration and the overall benefits of sound stimulation to two ears after CI treatment. Continued longitudinal investigation of these children and further studies in larger groups may provide more guidance on the optimal timing of treatment for paediatric patients with acquired and congenital SSD.

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Section: Introductionmentioning

confidence: 82%

Section: Introductionmentioning

confidence: 99%

Cochlear Implantation in Children with Single-Sided Deafness: Does Aetiology and Duration of Deafness Matter?

et al. 2015

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“…In children with asymmetric hearing loss, Cadieux et al report significant CNC and BKB-SIN speech improvements when children listened bimodally versus CI-only or HA-only conditions [37]. Concordant with Cadieux, Tzifa and Hanvey report improvements in CAPII (7/7) and SIR (6/8) scores in children with asymmetric hearing loss utilizing an implant [38].…”

Section: Speech Benefits After Unilateral Cochlear Implantationmentioning

confidence: 93%

“…As such, children with SSD should be implanted-ideally as soon as possible because the best outcomes in SSD children have been associated with early implantation [38]. Many children with SSD demonstrate delays in speech and language comprehension [41,42] as well as an increased likelihood of academic difficulty [2 •• , 43].…”

Section: Unilateral Cochlear Implant Candidacymentioning

confidence: 99%

“…In cases where subjects have some degree of preserved lowfrequency hearing, an acoustic amplifier in the ipsilateral ear may assist in the detection of low-frequency tones postimplant [56]. When asymmetric bilateral hearing loss exists, combining an amplifier in the contralateral ear is associated with increased hearing abilities with respect to speech in noise in both children [37,38] and adults [2 •• ].…”

Section: Improving Postoperative Outcomes In Single-sided Deafness Pamentioning

confidence: 99%

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Cochlear Implants in Single-Sided Deafness

2014

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Single-sided deafness presents a unique challenge to otolaryngologists and audiologists. While the normal hearing ear may allow listeners to perform adequately on audiometric screening, individuals with only one functioning cochlea suffer when resolving speech in noisy environments and in sound localization-which both contribute to a reduced quality of life. Though there are a variety of strategies that provide contralateral routing of sound signals, the cochlear implant is the only treatment to truly restore binaural hearing. Only very recently has cochlear implantation (CI) for singlesided deafness begun in earnest, with encouraging results that demonstrate the strengths and pitfalls of implantation over traditional extracochlear methods. The purpose of this review is to update the field by emphasizing binaural benefits, discussing historical treatments of single-sided deafness, critically evaluating recent data on outcomes of CI for single-sided deafness, and recommending indications for cochlear implants in single-sided deafness in children, adults, and subjects with concurrent ipsilateral tinnitus.

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