Hearing preservation after cochlear implantation using deeply inserted flex atraumatic electrode arrays

Sharon Tamir, Evelyne Ferrary, Stphanie Borel, Olivier Sterkers, Alexis Bozorg Grayeli

Research output: Contribution to journalArticlepeer-review

39 Scopus citations

Abstract

The aim of this study was to investigate hearing preservation in adults receiving cochlear implants with Flex arrays. Fifteen adults (19 ears) implanted with Flex EAS® (n = 4) or Flex Soft® (n = 15; MedEL, Innsbruck, Austria) were included in this retrospective study. The mean array insertion length was 25 ± 0.9 mm (n = 19), and the mean cochlear coverage was 435 ± 14.5° (n = 19), with no difference between EAS and Soft arrays. Residual low-frequency hearing was preserved in all implanted ears but deteriorated [pure-tone average (125-1000 Hz) 55.1 ± 2.90 dB before vs. 81.0 ± 3.02 dB after surgery (n = 19, p < 0.01)]. Both Flex arrays allow deep insertion with reproducible hearing preservation.

Original languageEnglish
Pages (from-to)331-337
Number of pages7
JournalAudiology and Neurotology
Volume17
Issue number5
DOIs
StatePublished - 1 Aug 2012
Externally publishedYes

Keywords

  • Cochlear implant
  • Cochlear trauma
  • Electrode insertion
  • Hearing preservation

ASJC Scopus subject areas

  • Physiology
  • Otorhinolaryngology
  • Sensory Systems
  • Speech and Hearing

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