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Audit of Bilateral Simultaneous Cochlear Implantation in Pediatric Population: South Indian Study

Abha Kumari1, Sunil Goyal2, Neha Chauhan1

  • 1Department of Otorhinolaryngology and Head & Neck Surgery, Madras ENT Research Foundation, Tamil Nadu, India.

Turkish Archives of Otorhinolaryngology
|July 11, 2018
PubMed

Insights

Bilateral cochlear implantation (CI) in children with severe prelingual hearing loss significantly improves auditory performance and speech intelligibility. This study supports bilateral CI as the standard of care for these patients.

Area of Science:

  • Otolaryngology
  • Audiology
  • Pediatric Medicine

Background:

  • Severe prelingual sensorineural hearing loss (SNHL) presents significant challenges in pediatric development.
  • Unilateral cochlear implantation (CI) has been the standard, but bilateral CI is increasingly explored.

Purpose of the Study:

  • To evaluate the efficacy of bilateral simultaneous cochlear implantation (CI) in children under six with severe prelingual SNHL.
  • To compare outcomes of bilateral CI against established benchmarks for unilateral CI.

Main Methods:

  • A retrospective medical audit of 2007-2014 data from a tertiary care center in Southern India.
  • Inclusion criteria: children <6 years with severe bilateral SNHL undergoing bilateral simultaneous CI.
  • Exclusion criteria: older children, sequential CI, revisions, cochlear anomalies, developmental delay. Outcome measures: Category of Auditory Performance (CAP) and Speech Intelligibility Rating (SIR).

Main Results:

  • At 12 months post-implantation, mean CAP scores were 5.4 and mean SIR scores were 3.1.
  • 20% of pediatric implantees achieved peak CAP scores of 7 and peak SIR scores of 5.
  • Significant improvements in auditory performance and speech intelligibility were observed.

Conclusions:

  • Bilateral simultaneous CI in children with severe prelingual SNHL yields superior outcomes compared to unilateral CI.
  • The study recommends bilateral CI as the standard of care for pediatric cases of severe prelingual SNHL.
Abstract

Keywords:
Medical auditauditory perceptionbilateral hearing losscochlear implantationspeech intelligibility

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