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An increased prevalence of periodontitis and perturbation of the oral microbiome has been identified in patients with rheumatoid arthritis (RA). The periodontal pathogen Subgingival plaque was collected from periodontally healthy ...
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An increased prevalence of periodontitis and perturbation of the oral microbiome has been identified in patients with rheumatoid arthritis (RA). The periodontal pathogen Subgingival plaque was collected from periodontally healthy and diseased sites in 48 CCP+at?risk, 26 early RA and 32 asymptomatic healthy control (HC) individuals. DNA libraries were sequenced on the Illumina HiSeq 3000 platform. Taxonomic profile and functional capability of the subgingival microbiome were compared between groups.At periodontally healthy sites, CCP+at risk individuals had significantly lower microbial richness compared with HC and early RA groups (p=0.004?and 0.021). Microbial community alterations were found at phylum, genus and species levels. A large proportion of the community differed significantly in membership (523 species; 35.6%) and structure (575 species; 39.1%) comparing CCP+at?risk and HC groups.
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Purpose: This article reviews the phases of rheumatoid arthritis (RA) development in terms of the evolution of disease, with a focus on events that occur before the first appearance of clinically apparent inflammatory arthritis. T...
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Purpose: This article reviews the phases of rheumatoid arthritis (RA) development in terms of the evolution of disease, with a focus on events that occur before the first appearance of clinically apparent inflammatory arthritis. This presynovitis period is defined in individuals who eventually develop classified RA as the pre-RA phase. We include additional discussion of the relevance of this model of RA development to the concept of disease prevention.
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Objective. To describe characteristics and coronavirus disease 2019 (COVID-19) clinical outcomes of patients with rheumatoid arthritis (RA), psoriatic arthritis (PsA), or ulcerative colitis (UC) receiving systemic therapies vs the...
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Objective. To describe characteristics and coronavirus disease 2019 (COVID-19) clinical outcomes of patients with rheumatoid arthritis (RA), psoriatic arthritis (PsA), or ulcerative colitis (UC) receiving systemic therapies vs the general population. Methods. This descriptive retrospective cohort study used data from the United States Optum deidentified COVID-19 electronic health record dataset (2007-2020). Adults with COVID-19 were stratified into 3 disease cohorts (patients with RA, PsA, or UC who had received systemic therapy) and a comparator cohort not meeting these criteria. Incidence proportions of hospitalization and clinical manifestations of interest were calculated. Using logistic regression analyses, risk of endpoints was estimated, adjusting for demographics and demographics plus comorbidities. Results. This analysis (February 1 to December 9, 2020) included 315,101 patients with COVID-19. Adjusting for demographics, COVID-19 patients with RA (n = 2306) had an increased risk of hospitalization (OR 1.54, 95% CI 1.39-1.70) and in-hospital death (OR 1.61, 95% CI 1.30-2.00) compared with the comparator cohort (n = 311,563). The increased risk was also observed when adjusted for demographics plus comorbidities (hospitalization OR 1.25, 95% CI 1.13-1.39 and in-hospital death OR 1.35, 95% CI 1.09-1.68]). The risk of hospitalization was lower in COVID-19 patients with RA receiving tumor necrosis factor inhibitors (TNFi) vs non-TNFi biologics (OR 0.32, 95% CI 0.20-0.53) and the comparator cohort (OR 0.77, 95% CI 0.51-1.17). The risk of hospitalization due to COVID-19 was similar between patients receiving tofacitinib and the comparator cohort. Conclusion. Compared with the comparator cohort, patients with RA were at a higher risk of more severe or critical COVID-19 and, except for non-TNFi biologics, systemic therapies did not further increase the risk. (ENCePP; registration no. EU PAS 35384)
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Patients with inflammatory rheumatic diseases (IRDs) do not have an increased risk for coronavirus disease 2019 (COVID-19) compared with the general population. However, it remains uncertain whether subgroups of patients with IRD ...
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Patients with inflammatory rheumatic diseases (IRDs) do not have an increased risk for coronavirus disease 2019 (COVID-19) compared with the general population. However, it remains uncertain whether subgroups of patients with IRD using different immunosuppressive antirheumatic drugs carry a higher risk for severe COVID-19 compared with other patients with IRD. The aim of this study is to identify risk factors for severe COVID-19, requiring hospitalization in patients with IRD. This is a multicenter nested case control study conducted in the Netherlands. Cases are hospital known patients with IRD requiring hospitalization for COVID-19 between March 1, 2020, and May 31, 2020. Controls are hospital known patients with IRD not requiring hospitalization for COVID-19 in this period, included at a 4:1 ratio. Patient, disease, and treatment characteristics were extracted from electronic medical records and a questionnaire. Potential risk factors were analyzed using unconditional logistic regression, corrected for confounders and multiple testing. Eighty-one cases and 396 controls were included. General risk factors of older age and obesity apply to patients with IRD as well (odds ratio (OR) for age >= 75 3.5, 95% confidence interval (CI) 1.9-6.3, OR for body mass index >= 40 4.5, 95% CI 1.5-14). No significantly increased ORs for COVID-19 hospitalization were found for any antirheumatic agent or IRD. A protective effect was found for use of methotrexate (OR 0.53, 95% CI 0.31-0.92). In conclusion, similar to the general population, elderly and obese patients with IRD have a higher risk for hospitalization for COVID-19. We did not identify a specific antirheumatic agent or IRD to increase the risk of COVID-19 hospitalization in patients with IRD, except for a possible protective effect of methotrexate.
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