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Cochlear implantation after subtotal petrosectomies

Authors
  • Bendet, E.1
  • Cerenko, D.2
  • Linder, T. E.3
  • Fisch, U.3
  • 1 Otolaryngology-HNS, Clinic 41, Greenboim Street, Tel Aviv, Israel, IL
  • 2 Emory University Hospital, 1364 Clifton Road, Atlanta, GA 30322, USA, US
  • 3 Department of Otorhinolaryngology-Head and Neck Surgery, University Hospital, CH-8091 Zürich, Switzerland, CH
Type
Published Article
Journal
European Archives of Oto-Rhino-Laryngology
Publisher
Springer Berlin Heidelberg
Publication Date
Apr 01, 1998
Volume
255
Issue
4
Pages
169–174
Identifiers
DOI: 10.1007/s004050050037
Source
Springer Nature
Keywords
License
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Abstract

Among cochlear implant candidates there are patients who have abnormal middle and/or inner-ear conditions that make them unsuitable for implantation. Insertion of a foreign body may also be contraindicated in the setting of an existing or potential intracranial communication, or when the ear is prone to infection. Five patients presented with such unfavorable conditions. These included a Mondini dysplasia with persistent cerebrospinal fluid leak, an atretic mastoid with meningocele, chronic otitis media, a transverse petrous bone fracture, and a temporal bone adenoma. All patients underwent subtotal petrosectomies and cochlear implantations. In four cases implantation was performed concomitantly with subtotal petrosectomy, while the remaining case required a two-stage procedure. No complications occurred. The technique is described in detail, and the cases and the indications for surgery are discussed. By obliterating and isolating the tympanomastoid cleft from the outer environment and utilizing the technique of subtotal petrosectomy, a broader spectrum of patients can now be implanted safely.

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