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    Radiological evaluation of multiple-channel intracochlear implant insertion depth [Abstract]

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    Radiological evaluation of multiple-channel intracochlear implant insertion depth [Abstract] (45.55Kb)

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    Author
    Marsh, Michael A.; XU, JIN; Xu, Shi-Ang; Patrick, James F.; Clark, Graeme M.
    Date
    1993
    Source Title
    Third International Cochlear Implant Conference
    University of Melbourne Author/s
    Clark, Graeme; Xu, Jin; Patrick, James
    Metadata
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    Document Type
    Conference Item
    Citations
    Marsh, M. A., Xu, J., Xu, S., Patrick, J. F., & Clark, G. M. (1993). Radiological evaluation of multiple-channel intracochlear implant insertion depth [Abstract]. In Third International Cochlear Implant Conference, Innsbruck.
    Access Status
    Open Access
    URI
    http://hdl.handle.net/11343/26896
    Abstract
    Post-operative plain film x-rays are necessary in all multiple-channel cochlear implant patients to confirm intracochlear position of active electrodes, detect possible electrode kinking and provide a reference if post-operative slippage occurs. In addition precise documentation of multiple-channel intracochlear electrode insertion depths is necessary for comparison of speech recognition results between patients and may be of use for future speech processing strategies. In the present study a method has been devised using a modified Stenver's view to more accurately document insertion depths of the electrode array and location of individual electrodes on 50 multiple-channel cochlear implant patients. Surgical estimates of insertion depth are shown to have great variability in regard to distance along the basilar membrane when compared with x-ray documentation. The technique shows promise to facilitate mapping of binaural implant patients, young children, difficult adult cases, and possible new speech processing strategies as well as research activities requiring localization of individual electrodes.
    Keywords
    otology; cochlear implant; intracochlear; surgical

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