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      Cochlear implant radiography: technique adapted into a portable apparatus

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          Abstract

          The unavailability of advanced imaging equipment in the operating rooms of most hospitals - as well as the fundamental importance for surgeons of immediate observation of the cochlear implants soon after their insertion - makes conventional radiography a good option.

          Objective

          To describe a practical, fast and low-cost radiographic method, allowing for evaluation of the electrodes regarding their position and integrity, during the insertion of cochlear implants.

          Materials and Methods

          Radiographies from 262 cochlear implant patients were analyzed, from March 2005 to October 2008, by means of intraoperative radiography, soon after electrode insertion. All radiographies were analyzed by the surgeon in the intraoperative period and, afterwards, by the radiologist.

          Results

          A total of 524 radiographies were analyzed, and 95.61% presented adequate technique - with the patient being positioned into the technique proposed in this study - as well as a clear visualization of the electrodes, regarded as satisfactory. On the other hand, 4.39% presented inadequate technique and/or unsatisfactory visualization of the electrodes, regarded as unsatisfactory.

          Conclusion

          Although the portable X-ray apparatus presents limitations, the employment of proper techniques and accessories makes possible the obtainment of satisfactory radiographies to observe cochlear implants.

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          Most cited references11

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          Radiologia odontológica

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            Prometheus, atlas de anatomia: cabeça e neuroanatomia

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              Pocket atlas of radiographic positioning.

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                Author and article information

                Contributors
                Journal
                Braz J Otorhinolaryngol
                Braz J Otorhinolaryngol
                Brazilian Journal of Otorhinolaryngology
                Elsevier
                1808-8694
                1808-8686
                20 October 2015
                Jan-Feb 2012
                20 October 2015
                : 78
                : 1
                : 31-36
                Affiliations
                [a ]Technical Program in Radiology (Radiology Technician – Craniofacial Anomalies Rehabilitation Hospital – University of São Paulo)
                [b ]MD. Radiologist (Collaborator of the Audiologic Research Center - (HRAC/USP))
                [c ]MD. Otorhinolaryngologist (Surgeon of the HRAC/USP, Bauru/SP)
                [d ]Senior Associate Professor (Full Professor – University of São Paulo). Craniofacial Anomalies Rehabilitation Hospital – University of São Paulo (HRAC/USP)
                Author notes
                [* ]Send correspondence to: Flávio Donizeti Molezini. Rua das Camélias, 220 - Jd. Rinaldi. Pirajuí - SP. CEP: 16600-000. Telefone: (14) 9777-5017 - Fax: (14) 3572-1728 flaviorx@ 123456usp.br
                Article
                S1808-8694(15)30361-X
                10.1590/S1808-86942012000100005
                9443830
                22392235
                83d8c2e4-8f55-42f3-8e89-2654bd442acc
                .

                This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).

                History
                Categories
                Original Article

                cochlear implantation,diagnostic equipment,radiography

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