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Objectives Infection of the skin-muscle flap is one of the most severe risks of cochlear implantation. The aim of this paper is to describe a novel and minimally invasive procedure to avoid cochlear implant (CI) extrusion. Methods:  A 79-year-old woman with severe comorbidities developed a pressure injury of the skin-muscle flap overlying the CI receiver/stimulator (R/S) nine years after surgery. Skin thinning and failure of conventional pressure injury management led the patient to a high risk of CI extrusion. Therefore, she underwent a single procedure of autologous fat grafting under local anesthesia to increase scalp thickness and vascularization over the CI R/S. Results:  Within one month, complete healing of the pressure injury was observed, and the patient was able to safely use her CI. No further signs of infection and skin deterioration were detected at the 15-months follow-up. Discussion:  Fat grafting has been proven to promote neoangiogenesis and tissue regeneration. To the best of our knowledge, this is the first report of fat grafting utilized in the skin-muscle flap area to avoid incipient CI R/S extrusion. Conclusion:  The described case demonstrates the efficacy of this salvage procedure to avoid major surgery and the additional costs related to CI reimplantation.

Autologous fat grafting as a minimally invasive technique to avoid cochlear implant extrusion