ReviewInternational archives of otorhinolaryngology2025
Characteristics of Tinnitus in Patients Affected by COVID-19: A Systematic Review.
Review in International archives of otorhinolaryngology, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Authors and funding
4 authors.
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Abstract
Introduction: The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemic has brought up reports of an increase in new cases of tinnitus and changes in chronic and/or preexisting episodes. Nevertheless, there is no established data on the characteristics of tinnitus and its correlation with coronavirus disease 2019 (COVID-19). Objective: To analyze the characteristics of tinnitus in subjects affected by COVID-19 while detailing the correlation between these two factors. Data Synthesis: We found 327 articles, 37 of which were selected: 11 cross-sectional studies, 4 case-control studies, 3 cohort studies, and 19 observational studies. The sum of the samples totaled 399,524 patients included in the present review. The prevalence of new tinnitus varied from 0.2% to 96.2%. Most articles provided incomplete information or were missing information. Systemic arterial hypertension was the most common underlying disease. Finally, we found a predominance of hearing loss and olfactory and taste disorders, followed by fever and cough. Conclusion: The prevalence of new tinnitus ranged from 0.2 to 96.2%, whereas the prevalence of preexisting tinnitus varied from 8 to 76.2%. It was not possible to satisfactorily assess the characteristics of tinnitus. Therefore, a direct correlation between tinnitus and COVID-19 could not be determined, as this symptom may be influenced by other factors.
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