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Sudden sensorineural hearing loss affects frequently one ear (unilateral). A bilateral sudden SNHL is the rare form of SSNHL (5% of all cases) having mostly as aetiology diseases with a specific clinical pathology. Many case reports of a bilateral SSNHL in the literature include not only adult populations but also paediatric cases. A bilateral SSNHL following a lumbar puncture belongs to the rarest iatrogenic complications and it is an uncommon aetiology causing transient or permanent unilateral or bilateral hearing impairments.
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Bezas et al. (2021) studied this question.
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