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The effects of cochlear implantation on vestibular function in 1-4 years old children

Mohammad Ajalloueyan1, Masoumeh Saeedi1, Mohammad Sadeghi2

  • 1Neurotology and Skull Base Surgery, Otorhinolaryngology Department, Baqiyatallah University of Medical Sciences, Tehran, Iran.

International Journal of Pediatric Otorhinolaryngology
|February 8, 2017
PubMed

Insights

Cochlear implantation in children with profound hearing loss did not significantly affect the vestibular system or balance. This study suggests round window implantation is safe for vestibular function in pediatric patients.

Area of Science:

  • Otolaryngology
  • Pediatric Audiology
  • Neuroscience

Background:

  • Cochlear implants are vital for hearing restoration in children with severe to profound hearing loss.
  • Potential impacts of cochlear implantation on the pediatric vestibular system remain a concern.

Purpose of the Study:

  • To prospectively evaluate the effect of cochlear implantation on vestibular function in children.
  • To determine if cochlear implantation impacts balance in pediatric patients.

Main Methods:

  • Prospective cohort study of 27 children with bilateral profound hearing loss.
  • Vestibular function assessed pre- and post-cochlear implantation using Vestibular Evoked Myogenic Potentials, caloric testing, and the Head-Impulse Test.

Main Results:

  • No statistically significant changes in vestibular system function or balance were observed after cochlear implantation.
  • Mean age at implantation was 27.19 months.

Conclusions:

  • Cochlear implantation, specifically round window implantation, appears to not negatively impact vestibular function in children.
  • Further research is needed to generalize these findings to a broader pediatric population.
Abstract

Keywords:
Cochlear implantVestibular evoked myogenic potentialsVestibular system

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