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Radiologic Criteria for Round Window Visibility Prediction in Cochlear Implantation — R-PO18155  

Cochlear Implantation Clinical Trial

Official title:
Round Window Visibility Prediction From Preoperative Scanner in Cochlear Implantation: Literature Review and Radiologic Criteria Evaluation

Clinical Trial Summary

The aim of the study is to identify the scannographic criterion the most relevant to predict the round window visibility during cochlear implantation.

Clinical Trial Description

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. ;

Study Design

Related Conditions & MeSH terms

Clinical Trial Details
NCT number NCT03950375
Study type Observational
Source CHU de Reims
Contact
Status Completed
Phase
Start date December 18, 2018
Completion date April 24, 2019
View Details
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