ArticleRMD open2026
Time to diagnosis in large vessel vasculitis: insights from a retrospective study at a tertiary rheumatology centre.
Article in RMD open, 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
objectiveTo evaluate the diagnostic pathway of patients affected by large vessel vasculitis (LVV) and to determine factors associated with the time to diagnosis including referring and previously consulted medical specialties.
methodsThis retrospective single-centre study enrolled patients diagnosed with giant cell arteritis (GCA) and Takayasu arteritis (TAK) between January 2014 and May 2025. Clinical, laboratory and referral data were retrieved from medical records. Time to diagnosis was defined as the interval between the onset of first LVV-related symptoms and the confirmed diagnosis. Factors associated with diagnostic delay were analysed by multivariate Cox regression. Temporal differences were visualised using Kaplan-Meier curves.
resultsIn total, 501 patients were included (GCA n=488; TAK n=13). Compared with GCA (89 days (IQR 31-184)), the median time to diagnosis for TAK (245 days (IQR 31-1308)) was longer. Presentation with typical cranial symptoms was associated with a shorter diagnostic interval (HR 1.27, p
conclusionDiagnostic delay varies by subtype and clinical presentation. Time to diagnosis was longer in TAK compared with GCA, whereas typical cranial symptoms facilitate earlier diagnosis. Increasing awareness is crucial to minimise diagnostic delay and prevent organ damage.
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