Cochlear implantation in common cavity malformations using a transmastoid labyrinthotomy approach

John T. McElveen, Vincent N. Carrasco, Richard T. Miyamoto, Fred H. Linthicum

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Abstract

The transmastoid facial recess approach has become the standard technique for cochlear implantation. Although this approach has been used for implantation in patients with common cavity deformities, it is not without increased risk to the facial nerve. Using a direct approach to the common cavity that circumvents the facial recess, we have successfully implanted four patients with common cavity deformities. An aberrant facial nerve in one patient would have precluded placement of the electrode array using standard cochlear implant techniques. As demonstrated in these four patients, the direct approach to the common cavity is an effective approach for placement of the electrode array, minimizes risk to the facial nerve, and may decrease the likelihood of postoperative cerebrospinal fluid leaks. Intraoperative video footage demonstrates the feasibility and facility of this approach in patients with common cavity deformities.

Original languageEnglish (US)
Pages (from-to)1032-1036
Number of pages5
JournalLaryngoscope
Volume107
Issue number8
DOIs
StatePublished - Aug 1 1997

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ASJC Scopus subject areas

  • Otorhinolaryngology

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