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…Abstract Number: 2101 • ACR Convergence 2023
Diagnosis of Mental Disorder Complicated by Rheumatoid Arthritis: A Study of the Validity of a Psychiatrist’s Diagnosis and Questionnaire Method
Background/Purpose: It has been reported that about 15% of patients with rheumatoid arthritis (RA) have depression, and most of these studies have used questionnaire methods.…Abstract Number: 2102 • ACR Convergence 2023
Is This Prosthetic Joint Infected or Flaring?
Background/Purpose: Diagnosis of a periprosthetic joint infection (PJI) in a patient with inflammatory arthritis (IA) is challenging, as features of IA flares can mimic an…Abstract Number: 0117 • ACR Convergence 2023
The Patient Journey to a First Diagnosis of Systemic Sclerosis: Temporal Disease Pattern Identification Using Machine Learning and Data Mining Among US and Japanese Patients
Background/Purpose: Systemic sclerosis (SSc) is a rare autoimmune disease characterized by skin and organ fibrosis and vasculopathy. The Very Early Diagnosis of SSc (VEDOSS) project…Abstract Number: 2104 • ACR Convergence 2023
Relationship Between Frailty and Large Joint Symptoms in Rheumatoid Arthritis Patients
Background/Purpose: Rheumatoid arthritis (RA) is a causative factor in frailty. Large joint symptoms in RA patients may be more strongly associated with physical disability than…Abstract Number: 0298 • ACR Convergence 2023
Accuracy of the 2017 European Alliance of Associations for Rheumatology (EULAR)/American College of Rheumatology (ACR) Classification Criteria and Myositis-Specific Autoantibodies-Based Classification Criteria for Classifying Patients with Idiopathic Inflammatory Myopathy
Background/Purpose: Limitations of the 2017 EULAR/ACR classification criteria have been suggested for classifying patients with idiopathic inflammatory myopathies (IIMs) and myositis-specific antibodies (MSAs). On this…Abstract Number: 2197 • ACR Convergence 2023
Diagnostic Delay in Patients Included in the International Map of Axial Spondyloarthrtis: Associations with Geographic, Socio-demographic and Disease-related Factors
Background/Purpose: Despite efforts for early detection, delayed diagnosis in axial spondyloarthritis (axSpA) remains an unresolved challenge. This analysis aimed to assess diagnostic delay and its…Abstract Number: 0322 • ACR Convergence 2023
Validation of NICE Criteria for the Diagnosis of Knee Osteoarthritis
Background/Purpose: The NICE guideline on osteoarthritis (OA) recommends that adults aged ≥45 should be diagnosed with OA clinically, without investigations, if they have activity-related joint…Abstract Number: 2213 • ACR Convergence 2023
Identification of a Diagnostic Model for Axial Spondyloarthritis in Daily Clinical Practice Using a Random Forest Machine Learning Approach
Background/Purpose: In axial spondyloarthritis (axSpA), early diagnosis plays a key role in preventing disease progression. However, a validated diagnostic algorithm does not exist, while classification…
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