Cochlear Implantation for Unilateral Hearing Loss

Selleck, Anne Morgan; Brown, Kevin D.; Park, Lisa

doi:10.1016/j.otc.2021.07.002

Cited by 9 publications

(11 citation statements)

References 47 publications

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“…Cochlear implantation is contraindicated in these cases as the electric signal presented to an ear with CND would be significantly degraded. Therefore, the prognosis is poor and likelihood of nonuse is high (Arndt et al 2015; MacCutcheon et al 2019; van Wieringen et al 2019; Zhan et al 2020; Dewyer et al 2021; Selleck et al 2021). In addition, there is risk of negative impact on speech perception, as may occur with traditional amplification of SSD.…”

Section: Candidacy Considerationsmentioning

confidence: 99%

“…Testing solely with both target and masker signals co-located at 0-degrees azimuth will not fully assess the consequences of monaural listening or benefits of CI use. Separating the target and masker locations allows the clinician to assess a recipient’s use of interaural difference cues and can be completed in most 2-loudspeaker clinical audiometry booths as outlined by King and colleagues (King et al 2021; Selleck et al 2021).…”

Section: Test Batterymentioning

confidence: 99%

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American Cochlear Implant Alliance Task Force Guidelines for Clinical Assessment and Management of Cochlear Implantation in Children With Single-Sided Deafness

et al. 2022

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More children with single-sided deafness (SSD) are receiving cochlear implants (CIs) due to the expansion of CI indications. This unique group of pediatric patients has different needs than the typical recipient with bilateral deafness and requires special consideration and care. The goal of cochlear implantation in these children is to provide bilateral input to encourage the development of binaural hearing. Considerations for candidacy and follow-up care should reflect and measure these goals. The purpose of this document is to review the current evidence and provide guidance for CI candidacy, evaluation, and management in children with SSD.

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Section: Candidacy Considerationsmentioning

confidence: 99%

Section: Test Batterymentioning

confidence: 99%

American Cochlear Implant Alliance Task Force Guidelines for Clinical Assessment and Management of Cochlear Implantation in Children With Single-Sided Deafness

et al. 2022

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“…Along with the increasing number of case series, there have been several reviews, systematic reviews and meta-analyses on both children and adults with UHL/AHL who received a cochlear implant [25,26 & , [27][28][29]. One of the largest reviews in children evaluated 12 different studies with a total of 119 children, ranging from 0.9 to 18 years of age at implantation [25].…”

Section: Reviews and Meta-analysesmentioning

confidence: 99%

Cochlear implantation for paediatric and adult cases of unilateral and asymmetric hearing loss

Thompson¹,

Brown²,

Dillon³

2022

Current Opinion in Otolaryngology &Amp; Head &Amp; Neck Surgery

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Purpose of reviewChildren and adults with unilateral or asymmetric hearing loss (UHL/AHL) have poorer spatial hearing (e.g. speech understanding in complex maskers and localization) and quality of life compared with peers with normal hearing bilaterally. Patients with UHL/AHL experience limited benefits with contralateral-routing technologies (e.g. bone conduction, CROS hearing aid systems). Cochlear implantation allows for stimulation of the auditory pathway for the poorer hearing ear. The present study reviews the recent literature on outcomes of cochlear implant use for recipients with UHL/AHL. Recent findingsRecent research corroborates previous investigations of the significant benefits on measures of spatial hearing, tinnitus severity and quality of life for adult cochlear implant recipients. These benefits are also observed in pediatric cochlear implant recipients, with an association of better outcomes with younger ages at implantation for congenital cases and shorter durations of UHL/AHL for acquired cases. In addition, randomized trials demonstrate better outcomes with cochlear implant use versus contralateralrouting technologies.

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“…Disagreements were resolved by cross-checking and discussion. The extracted data included (1) 10) vestibular function test methods, and (11) references list. We evaluated the heterogeneity and external validity of the selected studies using this information.…”

Section: Data Extractionmentioning

confidence: 99%

“…Cochlear implantation (CIM) is the gold standard for treating severe to profound unilateral or bilateral sensorineural hearing loss (SNHL) in pediatric patients. CIM significantly improves hearing levels, speech intelligibility, and sound localization in quiet and noisy environments ( 1 , 2 ). Thus, implantation should be performed in children with congenital SNHL as early as possible once confirmatory diagnostics are reliably completed.…”

Section: Introductionmentioning

confidence: 99%

Vestibular dysfunction in pediatric patients with cochlear implantation: A systematic review and meta-analysis

Zhang²,

Xiao³

et al. 2022

Front. Neurol.

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ObjectiveVestibular dysfunction may delay the achievement of balance and perception milestones in pediatric patients after cochlear implantation (CIM).MethodsA strategic literature search was done following Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines. We searched the PubMed, Medline, Embase, Web of Science, and Cochrane Library databases from inception to July 2022. Studies were included on the otoliths, semicircular canals, and balance function changes in children after CIM. Two reviewers independently assessed the level of evidence, methodological limitations, risk of bias, and characteristics of the cases. Matched pre- and postoperative vestibular functional test data, including ocular and cervical vestibular-evoked myogenic potential (oVEMP and cVEMP), caloric test, video head impulse test (vHIT), and Bruininks-Oseretsky Test 2 (BOT-2), were used to calculate the relative risk of vestibular disorders. Subgroup analyses were performed according to surgical approach, CIM device status, and etiology.ResultsTwenty studies that met the inclusion criteria were selected for the meta-analysis. We observed significant vestibular dysfunction in pediatric patients with CIM. The results showed a statistically significant increase in abnormal cVEMP response (RR = 2.20, 95% CI = 1.87, 2.58, P < 0.0001), abnormal oVEMP response (RR = 2.10, 95% CI = 1.50, 2.94, P < 0.0001), and abnormal caloric test results (RR = 1.62, 95% CI = 1.20, 2.19, P = 0.0018) after implantation. Statistically significant differences were not found in the vHIT test results of all three semicircular canals before and after the operation (P > 0.05). Regarding static and dynamic balance, we found significantly poorer BOT-2 scores in children with CIM than in the normal group (mean difference = −7.26, 95% CI = −10.82, −3.70, P < 0.0001).ConclusionThe results showed that vestibular dysfunction might occur after CIM in pediatric patients. Some children experience difficulties with postural control and balance. Our results suggest that a comprehensive evaluation of vestibular function should be performed before and after CIM.

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Cochlear Implantation for Unilateral Hearing Loss

Cited by 9 publications

References 47 publications

American Cochlear Implant Alliance Task Force Guidelines for Clinical Assessment and Management of Cochlear Implantation in Children With Single-Sided Deafness

American Cochlear Implant Alliance Task Force Guidelines for Clinical Assessment and Management of Cochlear Implantation in Children With Single-Sided Deafness

Cochlear implantation for paediatric and adult cases of unilateral and asymmetric hearing loss

Vestibular dysfunction in pediatric patients with cochlear implantation: A systematic review and meta-analysis

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