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Type: Artigo
Title: Undifferentiated spondyloarthritis: s longterm followup
Author: Sampaio-Barros, Percival D.
Bortoluzzo, Adriana B.
Conde, Roseneide A.
Costallat, Lilian Tereza L
Samara, Adil M.
Bertolo, Manoel B.
Abstract: To analyze the longterm followup of a series of Brazilian patients with undifferentiated spondyloarthritis (uSpA). Prospective study analyzing a group of 111 patients with the diagnosis of uSpA, fulfilling the European Spondylarthropathy Study Group and the Amor criteria, who were followed for 5 to 10 years in a single university referral center. Patients had their outcome analyzed at 5, 7, and 10 years. There was a predominance of men (81.1%), white ethnicity (78.4%), and positive HLA-B27 (61.3%), with a mean age at onset of 27.2 years. Twenty-seven patients presented development to ankylosing spondylitis (AS; 24.3%) and 3 to psoriatic arthritis (PsA; 2.7%), while 25 patients (22.5%) went into remission during the followup. Univariate logistic regression analysis revealed that ethnicity, HLA-B27, buttock pain, inflammatory low back pain, ankle involvement, grade I sacroiliitis at the beginning of the study, and the use of sulfasalazine were statistically associated with progression to AS. Multivariate logistic regression analysis revealed that HLA-B27 (p = 0.035, OR 6.720.95% CI 11.45-39.43) and buttock pain (p = 0.009, OR 6.211, 95% CI 1.591-24.25) were statistically associated with progression to AS. In a longterm followup of 111 Brazilian patients with uSpA, HLA-B27 and buttock pain were significant predictors of progression to a definite disease
Subject: Espondiloartropatias
Country: Canadá
Editor: The Journal of Rheumatology
Rights: Fechado
Identifier DOI: 10.3899/jrheum.090625
Date Issue: 2010
Appears in Collections:FCM - Artigos e Outros Documentos

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