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Revision cochlear implantation: The Irish experience.

C Wijaya1,2, C Simões-Franklin1,3,4, F Glynn1

  • 1National Hearing Implant Research Centre, Beaumont Hospital , Dublin 9 , Ireland.

Cochlear Implants International
|August 2, 2019
PubMed
Summary
This summary is machine-generated.

Revision cochlear implantation (RCI) is necessary for device failure or medical issues, with higher rates in children due to trauma. Multidisciplinary assessment is key for RCI decisions.

Keywords:
Cochlear implantDevice failureExplantationHard failureRe-implantationRevision cochlear implantSoft failure

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Area of Science:

  • Otolaryngology
  • Biomedical Engineering

Background:

  • Revision cochlear implantation (RCI) addresses device malfunctions or medical complications.
  • Long-term data on RCI indications and outcomes are crucial for improving patient care.

Purpose of the Study:

  • To analyze a decade of RCI experience at a single institution.
  • To categorize RCI indications and identify predictors of cochlear implant failure.
  • To compare RCI outcomes in pediatric and adult populations.

Main Methods:

  • Retrospective analysis of a prospective database from a national cochlear implant unit (1995-2016).
  • Inclusion of patients requiring RCI, stratified by age (pediatric vs. adult).
  • Review of medical records, investigations, and device analysis reports.

Main Results:

  • 60 RCIs performed (37 children, 21 adults); 63.3% for device failure, 36.7% for medical reasons.
  • Higher device failure rates in pediatric patients, often linked to head trauma.
  • Wound infection was the leading medical indication (10%); overall RCI rate was 5.0% (3.1% device failure).

Conclusions:

  • Pediatric RCI presents unique challenges, particularly concerning trauma-related device failures.
  • Device integrity testing aids in identifying malfunctions.
  • Regular clinical follow-up and multidisciplinary assessments are vital for RCI decision-making.