myringoplasties between 2002 and 2012 to study revision surgery and the complications reported in the register. The reported complications 6-12 months after surgery are taste disturbances of corda tympani, new or persistent tinnitus and postoperative infections. NAtional results as well as detailed results from 2 ENT clinics in Sweden ,County hospitals have been analyzed to compare the frequency of complications. A review of the patient records were made to further analyze the patients report

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... postoperative infections from the 2 county hospitals. To further analyze if taste disturbances and tinnitus is till persistent after a longer period after surgery a survey was sent home to all the reporter cases in the nation. In summary patients have an increaded risk for reperforation after revision surgery. Men has a higher risk for tinnitus compared to women, an women have a greater risk for taste disturbances compared to men. Postoperative infections seem to be over reported. Tinnitus seems to be persistent long time after surgery. Learning Objectives: This study documented the incidence of complications and revisions following CI and analyze causes and management outcomes in order to understand what could be learned from the experiences of revision CI surgery. Introduction: Complications of Cochlear implantation (CI) sometimes lead to revision surgeries or even reimplantation. However, the auditory performance and speech intelligibility subsequent to reimplantation are not often discussed, especially in Mandarin-speaking users. This study review our experience with CI surgeries in Mandarin speaking users over a 16-year period, emphasizing causes, auditory performance, and speech intelligibility after reimplantation.