ArticleClinics (Sao Paulo, Brazil)2026
Increased incidence of sudden sensorineural hearing loss in patients with rheumatoid arthritis: a nationwide propensity-matched cohort study.
Article in Clinics (Sao Paulo, Brazil), 2026. 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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Abstract
objectivesTo determine whether Rheumatoid Arthritis (RA) is associated with an increased risk of incident Sudden Sensorineural Hearing Loss (SSNHL).
methodsThe authors conducted a nationwide, propensity-score-matched cohort study using Taiwan's Longitudinal Health Insurance Database (2000-2015). Adults with incident RA (n = 45,425) were matched 1:4 to those without RA controls (n = 181,700). The primary outcome was incident SSNHL (ICD-9-CM 389.10). Time-to-event analyses used Kaplan-Meier curves with log-rank tests and multivariable Cox regression. Landmark sensitivity analyses excluded SSNHL events within the first 1- and, separately, 5-years of follow-up.
resultsSSNHL occurred in 169/45,425 (0.37%) RA patients and 462/181,700 (0.25%) controls. RA was associated with a higher SSNHL risk (adjusted hazard ratio 2.695, 95% CI 2.248-3.231; p < 0.001). Kaplan-Meier and log-rank tests showed greater cumulative incidence in the RA cohort (p < 0.001). In landmark sensitivity analyses excluding events within the first 1- and 5-years, the association remained significant (Year 1: 34 vs. 45, p = 0.007; Year 5: 105 vs. 172, p < 0.001), indicating that the excess risk was not driven by very early events.
conclusionsThe present study revealed a high frequency of SSNHL in patients with RA, which highlights the importance of heightened clinical vigilance and prompt audiologic evaluation for hearing-related symptoms in this population.
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