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Related Concept Videos

The Cochlea01:13

The Cochlea

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The cochlea is a coiled structure in the inner ear that contains hair cells—the sensory receptors of the auditory system. Sound waves are transmitted to the cochlea by small bones attached to the eardrum called the ossicles, which vibrate the oval window that leads to the inner ear. This causes fluid in the chambers of the cochlea to move, vibrating the basilar membrane.
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Robotic Cochlear Implantation for Direct Cochlear Access
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Cochlear Implantation for Unilateral Hearing Loss.

Anne Morgan Selleck1, Kevin D Brown1, Lisa R Park1

  • 1Department of Otolaryngology Head and Neck Surgery, The Children's Cochlear Implant Center at UNC, University of North Carolina at Chapel Hill, 501 Fortunes Ridge Drive, Suite A, Durham, NC 27713, USA.

Otolaryngologic Clinics of North America
|September 18, 2021
PubMed
Summary

Pediatric cochlear implants for unilateral hearing loss show promise, improving speech and language skills. Further research is needed to identify optimal candidates and devices for this emerging treatment.

Keywords:
Cochlear implantationPediatricSingle sided deafnessUnilateral hearing loss

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Area of Science:

  • Otolaryngology
  • Pediatric Audiology
  • Neurosurgery

Background:

  • Unilateral hearing loss in children presents unique challenges.
  • Cochlear implantation for unilateral hearing loss received FDA approval in 2019.
  • This represents a novel application for cochlear implant technology.

Purpose of the Study:

  • To review the current understanding of pediatric cochlear implantation for unilateral hearing loss.
  • To outline candidacy criteria and evaluate outcomes.
  • To identify areas for future research.

Main Methods:

  • Review of existing literature on pediatric cochlear implantation for unilateral hearing loss.
  • Analysis of candidacy factors including etiology, duration of deafness, motivation, and comorbidities.
  • Synthesis of reported outcomes regarding speech perception, sound localization, and language development.

Main Results:

  • Cochlear implantation demonstrates significant improvements in speech perception in both quiet and noisy environments.
  • Children show enhanced sound localization abilities post-implantation.
  • Positive impacts on speech and language development are observed.

Conclusions:

  • Pediatric cochlear implantation is a viable option for unilateral hearing loss.
  • Careful patient selection based on defined criteria is crucial.
  • Further investigation is necessary to optimize patient and device selection for best outcomes.