Abstract
IntroductionRelapses are common in patients with ANCA-associated vasculitis (AAV), which results in a significant burden of morbidity, mortality, impact on quality of life, disability, and cost. However, evidence in the Colombian population is scarce. ObjectiveThe objective of this study was to estimate the relapse-free survival during the first year and describe clinical and serological variables of patients with AAV in a specialized centre for rheumatic diseases in Colombia. Materials and methodsA retrospective follow-up study was conducted on a cohort based on medical records of patients over 18 years old with confirmed diagnosis of AAV by the treating rheumatologist and who had achieved remission. Information on AAV relapse and clinical, immunoserological, and treatment-related characteristics was extracted. The relapse-free survival function during the first year was estimated. ResultsA total of 56 patients were included, 69.9% of whom were women, with a median age of 60 (IQR = 48−63). According to the clinical phenotype, 64.3% were classified as granulomatosis with polyangiitis (GPA), 23.2% as microscopic polyangiitis (MPA), and 12.5% as eosinophilic granulomatosis with polyangiitis (EGPA). According to the European Vasculitis Study Group (EUVAS) classification, 39.3% had generalized AAV at debut, 23.2% had localized AAV, 21.4% had severe renal AAV, and 16.1% had systemic AAV. The median Five Factor Score (FFS) was 1 (IQR = 0−2). The cumulative relapse-free survival at one year was 82.2%. ConclusionsThe relapse-free survival observed in this cohort was similar to other reports in clinical studies and AAV registries.
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More From: Revista Colombiana de Reumatología (English Edition)
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