External magnet displacement in cochlear implants: causes and management

Otology & Neurotology : Official Publication of the American Otological Society, American Neurotology Society [and] European Academy of Otology and Neurotology
David PosnerLawrence R Lustig

Abstract

To evaluate the complication of external magnet displacement in cochlear implant patients. Retrospective case review of patients at a tertiary academic medical center. Eleven patients were identified with postoperative magnetic retention difficulties after cochlear implantation. Skin flap thickness test, hair shaving over the magnet site, elastic headband usage, and skin flap thinning or revision were the primary interventions used. Qualitative reports of magnet retention difficulty noted in patient records during audiologic and device programming follow-up visits. Follow-up ranged from 2 to 4 years from the date of implantation. Interventions included initial conservative measures (e.g., shaving hair, wearing headband). Four patients required flap thinning surgery; of these, 3 showed marked improvement. Almost all patients in this series were overweight or obese. Patients with external magnet retention difficulties can present a challenge to users of cochlear implants and their providers. Conservative measures will alleviate the issue in many cases. Skin flap thinning is a viable option for those patients whose magnet retention difficulties do not resolve with conservative treatments. However, extra vigilance must be given to ...Continue Reading

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Citations

Sep 25, 2017·The Journal of Craniofacial Surgery·Orhan OzturanSabri Baki Eren
Oct 1, 2020·Cochlear Implants International·Tamara SearlePeter Monksfield
Feb 3, 2020·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Martin LeinungSilke Helbig
Jan 3, 2021·European Archives of Oto-rhino-laryngology : Official Journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : Affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery·Martin LeinungSilke Helbig
Sep 9, 2020·International Journal of Pediatric Otorhinolaryngology·Muhammet YildizOzer Erdem Gur

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