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Cochlear reimplantations: technical and surgical failures.

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Title: Cochlear reimplantations: technical and surgical failures.
Authors: Sorrentino, Tommaso (AUTHOR), Côté, Mathieu (AUTHOR), Eter, Elie (AUTHOR), Laborde, Marie-Laurence (AUTHOR), Cochard, Nadine (AUTHOR), Deguine, Olivier (AUTHOR), Fraysse, Bernard (AUTHOR)
Source: Acta Oto-Laryngologica. Apr2009, Vol. 129 Issue 4, p380-384. 5p. 3 Black and White Photographs, 2 Charts, 1 Graph.
Subjects: Cochlear implants, Reoperation, Radiology, Electric stimulation, Artificial implants
Abstract: Conclusion. Cochlear implant surgeons should have a good knowledge of how to diagnose device failures and how to deal with medical complications related to cochlear implantation. Electrode array misplacement may be due to unidentified inner ear malformation. Use of peroperative telemetry and radiographic examination should help to avoid such complications. Objectives. To review our experience of cochlear implant revision surgery and to compare our series to the literature. To report two cases of electrode array misplacement into the vestibular system and to discuss how to prevent this complication. Subjects and methods. This was a retrospective review of cochlear implant revision surgery in a tertiary reference center. Results. Of 487 cochlear implantations, 3.8% of adults and 4.5% of children underwent a revision surgery. The mean time to device failure was 7.6 years in children and 1.5 year in adults. Causes of revision were seven hard failures, four soft failures, and nine medical reasons. Among the medical reasons, four patients had skin flap infection associated with an extended endaural approach. Audiologic performances were stable or improved following reimplantation in 90% of cases. We had two cases of electrode array misplaced into the vestibular system. [ABSTRACT FROM AUTHOR]
Copyright of Acta Oto-Laryngologica is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: Cochlear reimplantations: technical and surgical failures.
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  Data: <searchLink fieldCode="AR" term="%22Sorrentino%2C+Tommaso%22">Sorrentino, Tommaso</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Côté%2C+Mathieu%22">Côté, Mathieu</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Eter%2C+Elie%22">Eter, Elie</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Laborde%2C+Marie-Laurence%22">Laborde, Marie-Laurence</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Cochard%2C+Nadine%22">Cochard, Nadine</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Deguine%2C+Olivier%22">Deguine, Olivier</searchLink> (AUTHOR)<br /><searchLink fieldCode="AR" term="%22Fraysse%2C+Bernard%22">Fraysse, Bernard</searchLink> (AUTHOR)
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  Data: <searchLink fieldCode="JN" term="%22Acta+Oto-Laryngologica%22">Acta Oto-Laryngologica</searchLink>. Apr2009, Vol. 129 Issue 4, p380-384. 5p. 3 Black and White Photographs, 2 Charts, 1 Graph.
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  Data: <searchLink fieldCode="DE" term="%22Cochlear+implants%22">Cochlear implants</searchLink><br /><searchLink fieldCode="DE" term="%22Reoperation%22">Reoperation</searchLink><br /><searchLink fieldCode="DE" term="%22Radiology%22">Radiology</searchLink><br /><searchLink fieldCode="DE" term="%22Electric+stimulation%22">Electric stimulation</searchLink><br /><searchLink fieldCode="DE" term="%22Artificial+implants%22">Artificial implants</searchLink>
– Name: Abstract
  Label: Abstract
  Group: Ab
  Data: Conclusion. Cochlear implant surgeons should have a good knowledge of how to diagnose device failures and how to deal with medical complications related to cochlear implantation. Electrode array misplacement may be due to unidentified inner ear malformation. Use of peroperative telemetry and radiographic examination should help to avoid such complications. Objectives. To review our experience of cochlear implant revision surgery and to compare our series to the literature. To report two cases of electrode array misplacement into the vestibular system and to discuss how to prevent this complication. Subjects and methods. This was a retrospective review of cochlear implant revision surgery in a tertiary reference center. Results. Of 487 cochlear implantations, 3.8% of adults and 4.5% of children underwent a revision surgery. The mean time to device failure was 7.6 years in children and 1.5 year in adults. Causes of revision were seven hard failures, four soft failures, and nine medical reasons. Among the medical reasons, four patients had skin flap infection associated with an extended endaural approach. Audiologic performances were stable or improved following reimplantation in 90% of cases. We had two cases of electrode array misplaced into the vestibular system. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Acta Oto-Laryngologica is the property of Taylor & Francis Ltd and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Type: general
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      – SubjectFull: Radiology
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              Text: Apr2009
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