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In many Latin American countries seronegative arthritis, especially the spondyloarthritides (SpA), is commonly characterized by associated axial and peripheral involvement. In this article, the authors review the ethnic distribution of the population and the different SpA in 10 Latin American countries, and the main characteristics of the Ibero-American(More)
OBJECTIVE Immunosuppressed patients are at risk of microsporidiosis, and this parasitosis has an increased rate of dissemination in this population. Our objective was to evaluate the presence of microsporidiosis and other intestinal parasites in rheumatic disease patients undergoing anti-tumor necrosis factor/disease-modifying anti-rheumatic drug treatment.(More)
OBJECTIVES To evaluate lipid profile changes after anti-TNF therapy in patients with psoriatic arthritis (PsA). METHODS Fifteen PsA patients (eight polyarticular, four oligoarticular, two axial, and one mutilating) under infliximab were included. None had dyslipoproteinemia or previous statin use. Total cholesterol (TC) and its fractions, inflammatory(More)
OBJECTIVE To evaluate the immunogenicity of the anti-influenza A H1N1/2009 vaccine in RA and spondyloarthritis (SpA) patients receiving distinct classes of anti-TNF agents compared with patients receiving DMARDs and healthy controls. METHODS One hundred and twenty patients (RA, n = 41; AS, n = 57; PsA, n = 22) on anti-TNF agents (monoclonal, n = 94;(More)
INTRODUCTION Anti-TNFα therapy has been effective in the treatment of patients with refractory psoriatic arthritis (PSA). However, the risk of developing autoantibodies commonly found in rheumatic diseases in PSA patients undergoing this therapy is not clear. OBJECTIVE To evaluate the induction of specific autoantibodies after anti-TNFα therapy in PSA(More)
UNLABELLED Toll-like receptor (TLR) 2 and TLR4 are able to activate innate immune cells in response to gram-positive and gramnegative bacteria, respectively. Psoriatic arthritis (PsA) is a chronic inflammatory joint disease and gram-positive streptococcus may have a role in its pathogenesis, suggesting the importance of TLR2 stimulation in PsA. OBJECTIVES(More)
The objective of this study was to evaluate the influence of anti-tumor necrosis factor (anti-TNF) in juvenile idiopathic arthritis (JIA), ankylosing spondylitis (AS) or psoriatic arthritis (PsA). Sixty-two patients were investigated: 7 JIA; 37 AS; and 18 PsA. Caucasian race accounted for 79% and 29% were female. Mean age was 40.4 +/- 12.6 years. None of(More)
OBJECTIVE To assess the immunogenicity and safety of non-adjuvanted influenza A H1N1/2009 vaccine in patients with juvenile autoimmune rheumatic disease (ARD) and healthy controls, because data are limited to the adult rheumatologic population. METHODS A total of 237 patients with juvenile ARD [juvenile systemic lupus erythematosus (JSLE), juvenile(More)
BACKGROUND Despite the WHO recommendation that the 2010-2011 trivalent seasonal flu vaccine must contain A/California/7/2009/H1N1-like virus there is no consistent data regarding its immunogenicity and safety in a large autoimmune rheumatic disease (ARD) population. METHODS 1668 ARD patients (systemic lupus erythematosus (SLE), rheumatoid arthritis (RA),(More)
OBJECTIVE To assess the efficacy and safety of pandemic 2009 influenza A (H1N1) in SLE under different therapeutic regimens. METHODS A total of 555 SLE patients and 170 healthy controls were vaccinated with a single dose of a non-adjuvanted preparation. According to current therapy, patients were initially classified as SLE No Therapy (n = 75) and SLE(More)