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J Audiol Otol > Epub ahead of print
DOI: https://doi.org/10.7874/jao.2021.00220    [Epub ahead of print] Published online September 8, 2021.
A Case of Idiopathic Sequential Profound Bilateral Sudden Sensorineural Hearing Loss Occurring 37 Days After Unilateral Presentation
Joo Young Woo  , Chang Lok Ji  , Geun Hyung Park  , Byungwoo Yoon 
Department of Otorhinolaryngology, Busan St. Mary’s Hospital, Busan, Korea
Correspondence  Byungwoo Yoon ,Tel: +82-51-933-7222, Fax: +82-51-232-8600, Email: wooya8207@gmail.com
Submitted: April 1, 2021  Accepted after revision: June 12, 2021
Abstract
Sudden sensorineural hearing loss (SSNHL) is a common disorder; however, sequential, bilateral presentation of the disease is rarer than unilateral presentation. Clinical otologists usually focus on treating the side with impaired hearing when patients first present with unilateral SSNHL, and therefore, may not warn patients of the possibility of subsequent hearing impairment in the contralateral ear. Furthermore, it is professionally discouraging when a patient presents with profound, sequential SSNHL after initial treatment. This may adversely impact the doctor-patient relationship, even if the patient is offered the best possible care from their first visit. Herein, we report the case of a patient with profound, idiopathic, bilateral SSNHL with a time interval of 37 days between involvement of both ears. Even though high-dose steroids were administered intraorally and intratympanically, the patient’s hearing was not restored, and the patient eventually required bilateral cochlear implant surgery. Our report demonstrates that sequential, profound, bilateral SSNHL may manifest without any specific signs.
Keywords: Hearing loss, sudden; Hearing loss, bilateral


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