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Related Experiment Video

Updated: Oct 19, 2025

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
06:04

Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages

Published on: March 24, 2023

521

Cochlear Implant Failure in the Pediatric Population.

Fulya Ozer1, Haluk Yavuz1, Ismail Yilmaz1

  • 1Department of Otorhinolaryngology, Head and Neck Surgery, Baskent University Faculty of Medicine, Ankara, Turkey.

Journal of Audiology & Otology
|September 22, 2021
PubMed
Summary

Pediatric cochlear implant (CI) reimplantation rates are low, with trauma being a key factor. Post-revision audiological outcomes in children are generally positive, emphasizing the need for safe environments and family education.

Keywords:
ChildCochlear implantsHard failureReimplantation

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Area of Science:

  • Otolaryngology
  • Pediatric Surgery
  • Audiology

Background:

  • Cochlear implant (CI) revision and reimplantation data can inform surgical protocols for improved outcomes.
  • Understanding the causes of CI failure is crucial for pediatric patients.

Purpose of the Study:

  • To review the etiology, surgical strategies, and hearing outcomes of CI removal and reimplantation in pediatric patients.
  • To analyze the revision rate and causes of reimplantation in children.

Main Methods:

  • Retrospective review of 149 cochlear implants in 121 pediatric patients (<18 years).
  • Assessment of pre- and postoperative Categories of Auditory Performance (CAP) scores and audiometry thresholds.
  • Evaluation of in vivo and ex vivo implant integrity tests.

Main Results:

  • The pediatric CI revision rate was 6.7% (10/121 children).
  • Head injury causing hard failure was the most common reason for reimplantation (6 cases).
  • Other causes included soft failure, electrode migration, and infection; all patients achieved similar or better audiological performance post-reimplantation.

Conclusions:

  • Preventing reimplantation due to trauma requires a safe environment and family education, especially for active children.
  • Continued postoperative psychiatric consultation may be beneficial for pediatric CI patients.