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Related Experiment Videos

1-year postactivation results for sequentially implanted bilateral cochlear implant users.

Jace Wolfe1, Stan Baker, Teresa Caraway

  • 1Hearts for Hearing, Otologic Medical Clinic at the Hough Ear Institute, and INTEGRIS Health Decision Support Services, Oklahoma City, Oklahoma 73112, USA. Jace.wolfe@heartsforhearing.org

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [And] European Academy of Otology and Neurotology
|August 2, 2007
PubMed
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Sequential bilateral cochlear implantation improves speech recognition in noise for children. Early implantation before age 4 enhances speech perception in quiet for the later implanted ear.

Area of Science:

  • Audiology
  • Pediatric Otolaryngology
  • Neuroscience

Background:

  • Sequential bilateral cochlear implantation (CI) is a complex intervention for pediatric hearing loss.
  • Understanding the impact of implantation age on speech recognition is crucial for optimizing outcomes.

Purpose of the Study:

  • To evaluate speech recognition in quiet and noise for children with sequential bilateral CI.
  • To compare outcomes based on the age of second CI (before vs. after 4 years).

Main Methods:

  • Retrospective study of 12 children undergoing sequential bilateral CI.
  • Speech recognition in quiet (MLNT, EPT) and noise (spondee recognition threshold) was assessed.
  • Outcomes were compared between early (<4 years) and late (≥4 years) second CI recipients.

Related Experiment Videos

Main Results:

  • Bilateral CI significantly improved speech recognition in noise compared to unilateral CI.
  • Children receiving their second CI after age 4 showed better speech recognition in quiet for the later implanted ear.
  • No significant difference in quiet recognition was found for those implanted before age 4.
  • Speech recognition in noise did not correlate with the duration of deafness in the later implanted ear.

Conclusions:

  • Bilateral CI enhances speech recognition in noise for pediatric CI users.
  • Implantation before age 4 may benefit speech recognition in quiet for the second ear.
  • Age at second CI does not significantly impact bilateral CI benefit in noise.