Cochlear Implantation Clinical Trial
Official title:
Round Window Visibility Prediction From Preoperative Scanner in Cochlear Implantation: Literature Review and Radiologic Criteria Evaluation
The aim of the study is to identify the scannographic criterion the most relevant to predict the round window visibility during cochlear implantation.
Whereas several surgical techniques exist to perform a cochlear implantation, the most used
is the realization of mastoidectomy followed by posterior tympanotomy, in order to expose the
round window, which finally permits to access to the cochlea. This procedure might be
complicated with facial paresis, loss of residual hearing, because of anatomy relationships
in this millimetric area.
CT scan of temporal bone is part of systematic preoperative assessment. Technological
advances in radiology during the last decades now provide inframillimetric resolution. Thus,
otologic surgeons wish they could anticipate round window exposure from these CT scan. This
could decrease the procedure duration, complication occurrence, or improve surgical strategy.
Several studies proposed radiological criteria in this aim, from more or less complex
measures in preoperative temporal bone CT scan. However, these diagnostic tests performances
have not been assessed for most of them, or compared between them.
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| Status | Clinical Trial | Phase | |
|---|---|---|---|
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