Introduction: The association between sudden sensorineural hearing loss (SSNHL) and tinnitus is frequent. Its correlation with the auditory prognosis remains controversial. The objective of the study is to evaluate tinnitus of which onset is concurrent with SSNHL and analyze it as a prognostic factor and its correlation with hearing recovery. Materials and Methods: A prospective cohort study was conducted with 30 patients with SSNHL. Serial audiometry was performed and the Tinnitus Handicap Inventory (THI) was applied at the initial consultation and after treatment. Results: Tinnitus had an incidence of 93.3%, with an initial mean THI of 63.6%. The mean decrease in THI was significant in all scale domains. However, there was no statistically significant difference between the degrees of tinnitus and hearing loss, as well as between hearing recovery percentage in relation to the degree of tinnitus. The correlation of THI gain with the hearing recovery rate was negative (the greater the decrease in the level of tinnitus discomfort, the greater the hearing recovery rate), being significant only in the emotional domain of THI, but showing a poor correlation. Discussion: There was a reduction in the level of tinnitus discomfort, as measured by THI, after treatment of SSNHL. There is a correlation between tinnitus and hearing improvement in patients with SSNHL only in the emotional domain of THI, but this correlation is considered poor. The degree of tinnitus severity as measured by THI was not proportional to the hearing loss and is not a prognostic factor for hearing improvement.
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