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OBJECTIVE: This study aimed to evaluate migration of the receiver-stimulator after cochlear implantation using the subperiosteal pocket technique. METHODS: A prospective clinical study was performed of 32 paediatric patients (aged between 12 months and 8 years; mean ± standard deviation, 28 ± 19 months) who underwent cochlear implantation in tertiary referral centres. The degree of migration was evaluated using measurements between the receiver-stimulator and selected reference points: the lateral canthus, tragus and mastoid tip. All distances were measured during and six months after surgery. RESULTS: No receiver-stimulator migration was observed when using the subperiosteal pocket technique. CONCLUSION: Concerns about implant migration in the subperiosteal pocket technique are unwarranted: this is a safe technique to use for cochlear implantation.
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Güldíken et al. (2017) studied this question.
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