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Genetic and Acquired Prothrombotic Risk Factors and Sudden Hearing Loss

Objectives: Idiopathic sudden sensorineural hearing loss (ISSNHL) is a frequently encountered condition, and various pathogenetic mechanisms have been hypothesized, such as viral infections, autoimmune processes, and ischemic events; however, whatever the cause, impaired cochlear perfusion appears to be the most important event. A number of inherited prothrombotic risk factors and their related genetic alterations have recently been correlated with vascular disorders.