Cochlear Implantation Outcomes in Pediatric Unilateral Hearing Loss: Impact of Device Use and Direct Input

Objective To investigate the impact of daily cochlear implant (CI) use on speech perception outcomes among children with unilateral hearing loss (UHL). Study Design Multi‐institutional retrospective case series of pediatric patients with UHL who underwent CI between 2018 to 2022. Setting Three terti...

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Bibliographic Details
Published in:	Otolaryngology-head and neck surgery 2024-05, Vol.170 (5), p.1449-1455
Main Authors:	Magee, Lacey C., Dunn, Camille C., Vovos, Rachel, Zeitler, Daniel M., Schwartz, Seth R., Anne, Samantha
Format:	Article
Language:	eng
Subjects:	Adolescent audiologic outcomes Child Child, Preschool Cochlear Implantation Cochlear Implants device use direct audio input Female Hearing Loss, Unilateral - rehabilitation Hearing Loss, Unilateral - surgery Humans Male pediatric unilateral hearing loss Retrospective Studies Speech Perception Treatment Outcome
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Summary:	Objective To investigate the impact of daily cochlear implant (CI) use on speech perception outcomes among children with unilateral hearing loss (UHL). Study Design Multi‐institutional retrospective case series of pediatric patients with UHL who underwent CI between 2018 to 2022. Setting Three tertiary children's hospitals. Methods Demographics were obtained including duration of deafness and age at CI. Best consonant‐nucleus‐consonant (CNC) word scores and data logs describing hours of CI usage were assessed postimplantation. Use of direct audio input (DAI) during rehabilitation was recorded. Results Twenty‐seven children were included, with a mean age at CI of 7.8 years. Mean datalogging time was 7.8 ± 3.0 hours/day. 40.7% of children utilized daily DAI. The mean CNC score using the best score during the study period was 34.9%. There was no significant correlation between hours of CI usage and CNC score. There was a significant improvement in CNC score associated with whether the child used DAI during rehabilitation (CNC 50.91% [yes] vs 23.81% [no]), which remained significant when adjusting for age at CI, duration of deafness, and data log hours. Conclusion Unlike children with bilateral hearing loss and CI, children with UHL and CI demonstrate no significant correlation between hours of daily CI usage and CNC scores. However, children who used DAI during postoperative rehabilitation achieved significantly higher CNC scores than those who did not. This suggests that rehabilitation focused on isolated listening with the implanted ear maybe critical in optimizing outcomes with CI in UHL patients.
ISSN:	0194-5998 1097-6817