Immune-Mediated Inner Ear Disease: Diagnostic and therapeutic approaches

Publication date: Available online 7 March 2018
Source:Acta Otorrinolaringológica Española
Author(s): José Ferreira Penêda, Nuno Barros Lima, Francisco Monteiro, Joana Vilela Silva, Rita Gama, Artur Condé
IntroductionImmune Mediated Inner Ear Disease (IMIED) is a rare form of sensorineural bilateral hearing loss, usually progressing in weeks to months and responsive to immunosuppressive treatment. Despite recent advances, there is no consensus on diagnosis and optimal treatment.MethodsA review of articles on IMIED from the last 10 years was conducted using PubMed^® database.ResultsIMIED is a rare disease, mostly affecting middle aged women. It may be a primary ear disease or secondary to autoimmune systemic disease. A dual immune response (both cellular and humoral) seems to be involved. Cochlin may be the inner ear protein targeted in this disease. Distinction from other (core common) forms of neurosensory hearing loss is a challenge. Physical examination is mandatory for exclusion of other causes of hearing loss; audiometry identifies characteristic hearing curves. Laboratory and imaging studies are controversial since no diagnostic marker is available.ConclusionDespite recent research, IMIED diagnosis remains exclusive. Steroids are the mainstay treatment; other therapies need further investigation. For refractory cases, cochlear implantation is an option and with good relative outcome.



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