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Related Experiment Video

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Systematic Hearing Performance Evaluation Process for Adolescents with Cochlear Implantation at Early Ages
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Audiometric evaluation short and medium term in cochlear implants.

Laura R Alonso-Luján, Ileana Gutiérrez-Farfán, Francisco A Luna-Reyes

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Revista De Investigacion Clinica; Organo Del Hospital De Enfermedades De La Nutricion
|February 20, 2015
PubMed
Summary
This summary is machine-generated.

Cochlear implants (CI) significantly improved hearing thresholds in 68 patients, with most cases involving pre-lingual, hereditary hearing loss. This study highlights the effectiveness of CI programs in restoring hearing function.

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Area of Science:

  • Otolaryngology
  • Audiology
  • Neurosurgery

Background:

  • Cochlear implantation is a critical intervention for profound hearing loss.
  • Evaluating the outcomes of cochlear implant programs is essential for refining surgical and audiological practices.

Purpose of the Study:

  • To report the outcomes of a cochlear implant program from November 2007 to December 2012.
  • To analyze audiological improvements and patient characteristics following cochlear implantation.

Main Methods:

  • A descriptive, observational, cross-sectional study of 68 patients.
  • Analysis of patient files including diagnosis, hearing loss onset, audiological tests (BAEP, audiometry), imaging (CT, MRI), and cochlear implant details.
  • Pre- and post-implantation hearing thresholds were assessed.

Main Results:

  • The study included 68 patients (age 1y 8m to 39y 3m), with 94% having pre-lingual hearing loss, most commonly hereditary non-syndromic.
  • All patients exhibited profound bilateral hearing loss on BAEPs. Post-implantation, average hearing thresholds improved from 106.2 dB to 32.9 dB.
  • Advanced Bionics HiRes 90K was the most frequently used cochlear implant model.

Conclusions:

  • Cochlear implantation led to significant improvements in hearing thresholds.
  • The study observed a trend towards implanting the ear with the worst threshold, while anatomical considerations also played a role.
  • The program utilized Advanced Bionics cochlear implants frequently due to insurance donations.