Abstract Number: 0389 • ACR Convergence 2023
The Role of anti-CCP3 Antibodies in anti-CCP2 Antibody Negative Patients with Musculoskeletal Symptoms
Background/Purpose: To investigate, in primary care, whether testing anti-CCP3 antibodies in anti-CCP2 negative individuals with musculoskeletal (MSK) symptoms, improved the prediction of inflammatory arthritis (IA)/rheumatoid…Abstract Number: 2215 • ACR Convergence 2023
Can Axial Spondyloarthritis Unequivocally Be Diagnosed by Rheumatologists in Patients with Chronic Back Pain of Less Than Two Years Duration? The Primary Outcome of the Two-year SPondyloArthritis Caught Early (SPACE) Cohort
Background/Purpose: Unacceptable diagnostic delay in axial Spondyloarthritis (axSpA) remains an issue. In 2008, the longitudinal SPondyloArthritis Caught Early (SPACE)-cohort started to assess the prevalence of…Abstract Number: 0649 • ACR Convergence 2023
Early Systemic Sclerosis Definitions: Time to Rethink ‘Early’ in SSc Disease?
Background/Purpose: Systemic sclerosis (SSc) is a chronic autoimmune fibrotic disease with highly variable type and severity of organ involvement. Pathological changes in the skin, lungs,…Abstract Number: 2224 • ACR Convergence 2023
Difficult to Treat Axial Spondyloarthritis. Predictors of Poor Outcomes
Background/Purpose: The term "Difficult-to-Treat" (D2T) defines those patients who remain active despite having undergone various treatments within the established recommendations. This concept is defined by…Abstract Number: 0843 • ACR Convergence 2023
Predictive Validity of Data-driven Definitions for Active and Structural Lesions in the SI Joints Typical for Axial SpA: A 2-year Follow-up in the SPondyloArthritis Caught Early Cohort
Background/Purpose: The Assessment of Spondyloarthritis international Society MRI (ASAS MRI) group has proposed definitions for active and structural lesions typical for axial SpA (axSpA) on…Abstract Number: 2225 • ACR Convergence 2023
Long-term Evolution of Spondyloarthritis Patients Included in REGISPONSER, 17 Years Later (REGISPON-3 Study)
Background/Purpose: The cross-sectional REGISPONSER study was conducted in 2004 in 31 centers from Spain, including a total of 2367 patients who met the European Spondyloarthropathy…Abstract Number: 0845 • ACR Convergence 2023
The Yield of Repeated Assessments in Chronic Back Pain Patients Suspected of Early Axial Spondyloarthritis: Two-year Data from the SPondyloArthritis Caught Early (SPACE) Cohort
Background/Purpose: We have shown in the SPACE cohort that a diagnosis of early axial Spondyloarthritis (axSpA) can be reliably made in patients with chronic back…Abstract Number: 2497 • ACR Convergence 2023
Factors Influencing Time to Diagnosis in U.S. Patients with Systemic Lupus Erythematosus
Background/Purpose: Systemic lupus erythematosus (SLE) is a complex autoimmune disease defined by its heterogeneity and cycles of flares and remissions. Owing to non-specific or incomplete…Abstract Number: 1036 • ACR Convergence 2023
The Prevalence of Shoulder and Hip Joints Ultrasound Findings in Polymyalgia Rheumatica: A Multicenter International Study
Background/Purpose: Musculoskeletal ultrasound (US) is a validated method for the objective assessment of the pathological changes occurring in PMR. It assists the diagnosis of the…Abstract Number: 1129 • ACR Convergence 2023
Accuracy and Performance Characteristics of Administrative Codes for the Diagnosis of Autoinflammatory Syndromes: A Discovery and Validation Study
Background/Purpose: Autoinflammatory syndromes (AIS), a group of rare rheumatic diseases driven by the innate immune system, remain understudied due to the lack of prospective cohorts.…Abstract Number: 1151 • ACR Convergence 2023
Revised IWOS Criteria for Ocular Sarcoidosis: A 2019 Review of the 2009 Criteria in a Study of 384 Patients from a Single University Hospital
Background/Purpose: Sarcoidosis is a systemic inflammatory disorder which involves many organs, including eyes. Uveitis and optic neuropathy are the main manifestations. International Workshop on Ocular…Abstract Number: 1367 • ACR Convergence 2023
Novel Autoantibodies Might Circumvent the Need for Labial Biopsy in a Subset of Seronegative Sjögren’s Disease Patients
Background/Purpose: Sjögren's disease (SjD) is typically diagnosed by the presence of an anti-SSA antibody or focal lymphocytic sialadenitis in salivary gland tissue. Among SjD patients…Abstract Number: 1410 • ACR Convergence 2023
The Use of the ASAS Referral Criteria Together with Increased Education and Training of Its Use Improves Delay to Diagnosis of Axial Spondyloarthritis
Background/Purpose: Early diagnosis of axial spondyloarthritis (AxSpA) remains a challenge in the management of this condition worldwide. Over the last decade, there remains a significant…Abstract Number: 1540 • ACR Convergence 2023
Evaluation of the Validity of the 2022 American College of Rheumatology/European Alliance of Associations for Rheumatology Classification Criteria for Antineutrophil Cytoplasmic Antibody-associated Vasculitis for an Asian Population on the Basis of the Patterns of Organ Involvement
Background/Purpose: The European Medicines Agency (EMA) algorithm has been widely accepted as a conventional and reliable method to diagnose ANCA-associated vasculitis (AAV). In 2022 the…Abstract Number: 1546 • ACR Convergence 2023
Eosinophilic Granulomatosis with Polyangiitis: Clinical Suspicion Red Flags Identification by a Systematic Literature Review and Multidisciplinary Expert Consensus
Background/Purpose: Eosinophilic Granulomatosis with Polyangiitis (EGPA) is a rare ANCA-associated vasculitis, characterized histologically by eosinophilic tissue infiltration, necrotizing vasculitis, and eosinophil-rich granulomatous inflammation. The diagnosis…
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