Abstract Number: 0126 • ACR Convergence 2025
Performance of the 2023 and 2006 APS Classification Criteria in Pediatric Patients Diagnosed with APS: A Multisite Cohort Study
Background/Purpose: Antiphospholipid syndrome (APS) is a thrombo-inflammatory disorder that causes significant morbidity and mortality, even in children. The 2023 ACR/EULAR classification criteria, which use weighted…Abstract Number: 2489 • ACR Convergence 2025
Unraveling IPAF, VEDOSS and connective tissue diseases classifications through the mixed connective tissue disease spectrum
Background/Purpose: Mixed connective tissue disease (MCTD) is a rare systemic disorder that belongs to connective tissue diseases (CTD). Approximately 25% of MCTD patients will meet…Abstract Number: 0270 • ACR Convergence 2025
Diagnostic Challenge of IgG4-related Disease: Comparison Between ACR/EULAR, Umehara, and Okazaki Criteria
Background/Purpose: IgG4-related disease (IgG4-RD) is a rare immune-mediated condition characterized by fibro-sclerosing inflammation, elevated serum and tissue IgG4 levels, and heterogeneous clinical manifestations. Several classification…Abstract Number: 2538 • ACR Convergence 2025
Comparative Study of Two Classification Criteria Sets in Real Clinical Practice in Behçet’s Disease
Background/Purpose: Behçet´s Disease (BD) was traditionally classified according to the International Study Group (ISG) in which oral ulcers were mandatory. International Team for the Revision…Abstract Number: 0272 • ACR Convergence 2025
Ocular Involvement in Behçet’s Disease: Comparative Study of Two Classification Criteria in Clinical Practice
Background/Purpose: Ocular involvement is a potential severe complication of Behçet’s Disease (BD). The traditional classification, by the International Study Group (ISG, 1990) requires the mandatory…Abstract Number: 2651 • ACR Convergence 2025
Development and Validation of the Scleroderma Clinical Trials Consortium Classification Criteria for Systemic Sclerosis Heart Involvement
Background/Purpose: Systemic sclerosis (SSc) heart involvement (SHI) is a serious disease manifestation associated with high mortality. This study presents newly developed classification criteria to enable…Abstract Number: 0389 • ACR Convergence 2025
An International Delphi Survey for the Definition of New Classification Criteria for Juvenile Idiopathic Arthritis
Background/Purpose: To improve the current classification criteria for juvenile idiopathic arthritis (JIA), a multi-step initiative coordinated by PRINTO was launched in 2015, starting with a…Abstract Number: 0390 • ACR Convergence 2025
Radiographic Assessment in Juvenile Spondyloarthritis: Evaluating the axJSpA Criteria Using Radiographs Alone Versus MRI
Background/Purpose: Radiographs are neither sensitive nor reliable for assessing axial disease in juvenile spondyloarthritis (JSpA), though they are still used in some settings due to…Abstract Number: 0764 • ACR Convergence 2025
Frequency of large vessel vasculitis in giant cell arteritis with and without adventiitis of temporal artery – Is the presence of temporal arteritis sufficient to diagnose giant cell arteritis?-
Background/Purpose: Takayasu arteritis (TAK) and giant cell arteritis (GCA) belong to the large vessel vasculitis group. Differences between the two diseases have been reported based…Abstract Number: 0854 • ACR Convergence 2025
The Assessments in Spondyloarthritis International Society (ASAS) and Spondyloarthritis Research and Treatment Network (SPARTAN) Revised Classification Criteria for Axial Spondyloarthritis: Development and Validation in the Classification of Axial SpA Inception Cohort Study
Walter P. Maksymowych1, Désirée van der Heijde2, Liron Caplan3, Robert Landewé4, Lianne S. Gensler5, Pedro Machado6, Alexandre Sepriano7, Floris A. van Gaalen2, Miranda van Lunteren2, Ben Vandermeer8, Servet Akar9, Sibel Aydin10, Xenofon Barliakos11, Wilson bautista molano12, Stephanie Bernard13, RUBEN BURGOS-VARGAS14, John Carrino15, Alberto Cauli16, Jonathan Chan17, Abhijeet Danve18, Torsten Diekhoff19, Maxime Dougados20, iris Eshed21, Warren Fong22, Rodrigo García Salinas23, Hildrun Haibel24, Nigil Haroon25, Kay-Geert Hermann26, Lennart Jans27, Anne Jurik28, Uta Kiltz29, Tae-Jong Kim30, Robert G. W. Lambert31, Clementina López Medina32, Ennio Lubrano33, Marina Magrey34, Vikas Majithia35, Helena Marzo-Ortega36, Philip J. Mease37, Victoria Navarro-Compan38, John O'Neill39, Mikkel Ostergaard40, Salih Ozgocmen41, Susanne Pedersen42, Fernando Pimentel-Santos43, Denis Poddubnyy44, Fabian Proft45, Sofia Ramiro46, Monique Reijnierse47, John Reveille48, Ruxandra Elena Schiotis49, Hasan Tahir50, Michael Tuite51, Filip Van den Bosch52, Runshen Wang53, Ulrich Weber54, James Cheng-Chung55, Joachim Sieper56, Atul Deodhar57, and Martin Rudwaleit58, 1Department of Medicine, University of Alberta, 568 Heritage Building, Edmonton, AB, Canada, 2Department of Rheumatology, Leiden University Medical Center, Leiden, Netherlands, 3Medicine Service, Rocky Mountain Regional VAMC, Aurora, CO, 4Department of Rheumatology, Amsterdam University Medical Center, Amsterdam, Netherlands; and Zuyderland Medical Center, Heerlen, Netherlands, 5Department of Medicine/Rheumatology, University of California, San Francisco, San Francisco, CA, 6Department of Rheumatology, University College London, and Department of Rheumatology, Northwick Park Hospital, London North West University Healthcare NHS Trust, Centre for Rheumatology & Department of Neuromuscular Diseases, University College London, London, United Kingdom, 7Department of Rheumatology, Leiden University Medical Centre, Portela Loures, Portugal, 8Department of Medicine, University of Alberta, Edmonton, AB, Canada, 9Department of Medicine, Izmir Katip Çelebi University School of Medicine, Izmir, Turkey, 10Department of Medicine, University of Ottawa, The Ottawa Hospital Research Institute, Ottawa, ON, Canada, 11Ruhr-University Bochum, Rheumazentrum Ruhrgebiet, Herne, Germany, 12University Hospital Fundacion Santa Fe de Bogota, Bogota, Colombia, 13Department of Radiology, Brooke Army Medical Center, Fort Sam Houston, TX, 14Department of Rheumatology, Hospital General de Mexico, Faculty of Medicine, Universidad Nacional Autonoma de Mexico, Ciudad de México, Mexico, 15Department of Radiology and Imaging, Hospital for Special Surgery, New York, NY, 16Rheumatology Unit, Department of Medicine and Public Health, AOU and University of Cagliari, Cagliari, Italy, 17Department of Medicine, University of British Columbia, Vancouver, BC, Canada, 18Section of Rheumatology, Department of Medicine, Yale School of Medicine, New Haven, CT, 19Department of Radiology, Immanuel Clinic Ruedersdorf, Brandenburg Medical School, Ruedersdorf, Germany, 20Department of Medicine, Hopital Cochin, Universite de Paris, Paris, France, 21Department of Diagnostic Imaging, Sheba Medical Center, Tel Hashomer affiliated with School of Medicine, Tel Aviv University, Tel Aviv, Israel, 22Department of Medicine, Singapore General Hospital, Singapore, Singapore, 23Hospital Italiano La Plata, La Plata, Argentina, 24Charite- University Medicine Berlin Campus Benjamin Franklin, Berlin, Germany, 25Department of Medicine/Rheumatology, University Health Network, Schroeder Arthritis Institute, University of Toronto, Toronto, ON, Canada, 26Department of Radiology, Charité – Universitätsmedizin Berlin, Berlin, Germany, 27Department of Radiology, Ghent University Hospital, Ghent, Belgium, 28Department of Radiology, Aarhus University Hospital, Aarhus, Denmark, 29Rheumazentrum Ruhrgebiet Herne, Ruhr-University Bochum, Herne, Germany, 30Department of Medicine, Chonnam National University Hospital, Seoul, Republic of Korea, 31University of Alberta, Department of Radiology & Diagnostic Imaging, Edmonton, AB, Canada, 32Department of Medicine, Hospital Universitario Reina Sofia, University of Cordoba, IMIBIC, Cordoba, Spain, 33Department of Medicine, Università deglia Studi del Molise, Campobasso, Italy, 34Case Western Reserve University School of Medicine/University Hospitals Cleveland, Richfield, OH, 35Mayo Clinic Hospital, Jacksonville, FL, 36NIHR Leeds Biomedical Research Centre, The Leeds Teaching Hospitals NHS Trust and Leeds Institute of Rheumatic and Musculoskeletal Medicine (LIRMM), University of Leeds, Leeds, United Kingdom, 37Department of Rheumatology, Providence-Swedish Medical Center and University of Washington, Seattle, WA, 38Department of Rheumatology, La Paz University Hospital, IdiPaz, Madrid, Spain, 39Department of Radiology, McMaster University, Hamilton, ON, Canada, 40Department of Clinical Medicine, University of Copenhagen, Copenhagen, Denmark, and Copenhagen Center for Arthritis Research, Center for Rheumatology, Rigshospitalet, Glostrup, Denmark, 41Department of Rheumatology, Istinye University/Faculty of Medicine, Istanbul, Turkey, 42Department of Medicine, Rigshopital, University of Copenhagen, Copenhagen, Denmark, 43NOVA Medical School, Universidade NOVA e Lisboa, Lisboa, Portugal, 44Division of Rheumatology, Department of Medicine, University Health Network and University of Toronto, Toronto, Ontario, Canada, and Department of Gastroenterology, Infectious Diseases and Rheumatology, Charité – Universitätsmedizin Berlin, Berlin, Germany; Department of Epidemiology, German Rheumatism Research Centre, Berlin, Germany, 45Department of Gastroenterology, Infectiology and Rheumatology (including Nutrition Medicine), Charité – Universitätsmedizin Berlin, corporate member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany, 46Leiden University Medical Center, Zuyderland Medical Center, Netherlands, 47Department of Radiology, Leiden University Medical Center, Leiden, Netherlands, 48Department of Medicine, University of Texas Medical Center, Houston, TX, 49Clinical Hospital of Infectious Diseases, Rheumatology Department, Cluj-Napoca, Romania, 50Department of Medicine, Royal Free NHS Foundation Trust, London, United Kingdom, 51Department of Radiology, University of Wisconsin School of Medicine and Public Health, Madison, WI 52Department of Internal Medicine and Pediatrics, Ghent University and VIB Center for Inflammation Research, Ghent, Belgium, 53Division of Rheumatology, Columbia University Irving Medical Center and Garden State Rheumatology Consultants, Union, NJ, 54Medical Centre of Zenit, Department of Rheumatology, Schaffhausen, Switzerland, 55Department of Medicine, Chung Shan Medical University Hospital, Taichung, Taiwan (Republic of China), 56Department of Medicine, Charité – Universitätsmedizin Berlin, Berlin, Germany 57Division of Arthritis and Rheumatic Diseases, Oregon Health & Sciences University, Portland, OR, 58Bielefeld University, Medical School and University Medical Centre OWL, Klinikum Bielefeld, Department of Rheumatology, Bielefeld, Germany
Background/Purpose: The 2009 ASAS classification criteria had sensitivity (Sn) of 83% and specificity (Sp) of 84% for a rheumatologist diagnosis of axial spondyloarthritis (axSpA). Given…Abstract Number: 0607 • ACR Convergence 2025
Age at Diagnosis of SLE has Increased in a United States Longitudinal Cohort
Background/Purpose: The demographics of our lupus cohort have shifted over the decades towards an older population. While much of the shift can be attributed to…Abstract Number: 1136 • ACR Convergence 2025
The Impact of Iron Overload and HFE Genetic Mutations on Joint Disease in Haemochromatosis: Data from the Haemochromatosis Arthropathy Inception Cohorts
Background/Purpose: A EULAR task force developed classification criteria (CC) for Haemochromatosis Arthropathy (HA) using a cohort of people with the C282Y homozygous mutation and arthropathy…Abstract Number: 1388 • ACR Convergence 2025
Positive predictive value of various diagnostic codes for the classification of primary Sjӧgren’s syndrome
Background/Purpose: Primary Sjӧgren’s syndrome is a multisystem autoimmune disorder characterized by progressive dysfunction of exocrine glands leading to symptoms of keratoconjunctivitis and xerostomia. There is…Abstract Number: 1575 • ACR Convergence 2025
Clinical presentation, course, treatment and outcome of juvenile onset versus adult onset mixed connective tissue disease patients: a multicenter retrospective cohort.
Background/Purpose: Mixed connective tissue disease (MCTD) is an entity defined by clinical features of differentiated connective tissue diseases (dCTD), such as systemic lupus erythematosus (SLE),…Abstract Number: 1672 • ACR Convergence 2025
Classification criteria, disease phenotypes and long-term outcomes of childhood Sjögren’s Disease into adulthood
Background/Purpose: Childhood Sjögren Disease (cSjD) is a rare clinical phenotype lacking research on long-term outcomes and impact on the quality of life of young people…
