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Paper Details

Sudden Sensorineural Hearing Loss: An Updated Review

Sudden Sensorineural Hearing Loss: An Updated Review

José Luis Treviño-González PhD MD*, Felix Maldonado MD, Germán A. Soto-Galindo MD, Jesús Eduardo Hernández de León MDa, Laura Lisset Reyes Suárez MDa

Journal Title:Acta Scientific Otolaryngology
Abstract


Sudden sensorineural deafness is defined as a hearing loss greater than 30 dB in 3 contiguous frequencies of pure tones that occur within 72 hours. It is a rare but disabling entity, affecting approximately 5 - 27 people per 100,000 globally per year. The etiology is identified only in a few cases, being a viral infection the most associated cause. The diagnosis is based primarily on the medical history, physical examination, and pure tone audiometry. The mainstay of treatment is corticosteroids, either systemic or intratympanic. This treatment can be accompanied by hyperbaric oxygen therapy to improve the response. For the follow-up, serial audiometric studies are suggested at the end of the treatment and six months, in search of residual hearing loss.We examined the most recent studies on epidemiology, clinical manifestations, diagnosis, and treatment of sudden sensorineural hearing loss to provide a comprehensive review on this topic to improve the understanding of this entity among clinicians.