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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Predicting Sequential Cochlear Implantation Performance: A Systematic Review.

Yvette E. Smulders1,2,3,4, Thomas Hendriks2,3, Robert H. Eikelboom1,3,5

  • 1Ear Science Institute Australia, Subiaco, Western Australia, Australia.

Audiology & Neuro-Otology
|May 3, 2018
PubMed
Summary
This summary is machine-generated.

For adults receiving a second cochlear implant (CI), advanced age, long duration of deafness, and long intervals between surgeries are not negative predictors. Evidence suggests these factors do not hinder outcomes for sequential cochlear implantation.

Keywords:
AdultBilateralCochlear implantationHearing lossPredictSequential

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Area of Science:

  • Otolaryngology
  • Audiology
  • Neurosurgery

Background:

  • Sequential cochlear implantation (CI) involves receiving a second device after initial unilateral implantation.
  • Understanding pre-operative factors influencing outcomes is crucial for patient counseling.
  • Previous research identified predictors for unilateral CI success.

Purpose of the Study:

  • To systematically review literature on pre-operative factors affecting sequential cochlear implantation outcomes in adults.
  • To provide evidence-based guidance for healthcare professionals counseling patients on second CI benefits.

Main Methods:

  • Systematic literature search of PubMed, EMBASE, and Cochrane databases (November 1977–August 2017).
  • Inclusion of ten studies examining factors like age, hearing loss duration, and interval between implantations.
  • Analysis focused on speech perception and localization outcomes.

Main Results:

  • Factors like age, duration of deafness, and interval between implantations were investigated.
  • Contrary to expectations based on unilateral CI outcomes, these factors were not found to be negative predictors for sequential CI performance.
  • Advanced age, long deafness duration, or long intervals between surgeries did not negatively impact outcomes.

Conclusions:

  • The study challenges previous assumptions regarding predictors for sequential cochlear implantation.
  • Advanced age, prolonged deafness, and extended intervals between implantations should not deter consideration for a second cochlear implant.
  • Findings support offering sequential CI to a broader patient population.