Abstracts tagged "classification criteria"

Abstract Number: 1609 • ACR Convergence 2020
The Accuracy of Administrative Health Data for Identifying Patients with Rheumatoid Arthritis: A Validation Study Using Medical Records in Western Australia
Khalid Almutairi¹, Johannes Nossent¹, David Preen¹, Helen Keen¹, Katrina Rogers² and Charles Inderjeeth¹, ¹The University of Western Australia, Perth, Western Australia, Australia, ²Sir Charles Gairdner Hospital, Perth, Western Australia, Australia
Background/Purpose: The use of large administrative health datasets is increasingly important in Rheumatology for disease trends and outcome research. We established the West Australian Rheumatic…
Abstract Number: 1863 • ACR Convergence 2020
Clinical History as Tool for Diagnosis and Classification of Patients with Ankylosing Spondylitis (Axial Spondyloarthritis): Evidence from a 35-Year Follow-up Family Study of a Swiss Cohort
Sjef van der Linden¹, Zhixiu Li², Matthew Brown³, Peter Villiger⁴, Heinz Baumberger⁵, Hermine Zandwijk⁶ and Muhammad Khan⁷, ¹Department of Rheumatology, Immunology and Allergology, University of Bern, Inselspital, Bern, Switzerland, Mortroux, Belgium, ²Queensland University of Technology (QUT), Translational Genomics Group, School of Biomedical Sciences, Institute of Health and Biomedical Innovation, Translational Research Institute, Princess Alexandra Hospital, Brisbane, Qld, Australia, Brisbane, Queensland, Australia, ³Guy's and St Thomas, NHS Foundation Trust and King's College London NIHR Biomedical Research Centre, King's College London, London, United Kingdom, London, United Kingdom, ⁴Department of Rheumatology, Immunology and Allergology, University of Bern, Inselspital, Switzerland, Bern, Switzerland, ⁵Retired, Flims, Tajikistan, ⁶Retired, Mortroux, Belgium, ⁷Case Western Reserve University, Cleveland OH, Westlake, OH
Background/Purpose: Lack of sensitivity or specificity of symptoms may induce uncertainty in diagnosis and classification of AS/axSpA. We investigated if balanced sensitivity and specificity of…
Abstract Number: 0092 • ACR Convergence 2020
Diagnosis of Behçet’s Disease: Comparison of Two Sets of Classification Criteria. Application in 111 Patients of a Well-defined Population
David Martinez-Lopez¹, Alba Herrero Morant², Carmen Alvarez-Reguera², Lara Sanchez-Bilbao², Inigo Gonzalez-Mazon³, José Luis Martín-Varillas⁴, Guillermo Suarez-Amorin², Patricia Setien-Preciados², Cristina Mata-Arnaiz⁵, Miguel Ángel González-Gay⁶ and Ricardo Blanco², ¹Hospital Universitario Marques de Valdecilla, Santander (SPAIN), Spain, ²Hospital Universitario Marques de Valdecilla, Santander, Spain, ³Hospital Universitario Marques de Valdecilla, Bezana, Spain, ⁴Hospital Sierrallana, Torrelavega, Spain, ⁵Hospital de Laredo, Santander, Spain, ⁶Hospital Universitario Marques de Valdecilla, Santander, Cantabria, Spain
Background/Purpose: Behçet’s disease (BD) is a systemic, chronic, relapsing vasculitis with no pathognomonic diagnostic test. The most widely used classification criteria are those of the…
Abstract Number: 1870 • ACR Convergence 2020
Development of Candidate Criteria for Axial Disease in Juvenile Spondyloarthritis: An International Collaboration
Pamela F. Weiss¹, Timothy G. Brandon², Amita Aggarwal³, Ruben Burgos-Vargas⁴, Robert Colbert⁵, Gerd Horneff⁶, Rik Joos⁷, Ronald Laxer⁸, Kirsten Minden⁹, Angelo Ravelli¹⁰, Nicolino Ruperto¹¹, Judith Smith¹², Matthew Stoll¹³, Shirley Tse¹⁴, Filip Van den Bosch¹⁵ and Raymond Naden¹⁶, ¹Children's Hospital of Philadelphia, Philadelphia, ²Children's Hospital of Philadelphia, Philadelphia, PA, ³Sanjay Gandhi Postgraduate Institute of Medical Sciences, Lucknow, Uttar Pradesh, India, ⁴Department of Rheumatology, General Hospital of Mexico, Ciudad de Mexico, Mexico, ⁵Pediatric Clinical Trials Unit and Office of Clinical Director, NIAMS, NIH, Bethesda, MD, ⁶Asklepios Clinic Sankt Augustin, Sankt Augustin, Germany, ⁷Ziekenhuis Netwerk Antwerpen, Basel, Switzerland, ⁸The Hospital for Sick Children, Toronto, ON, Canada, ⁹Deutsches Rheuma-Forschungszentrum Berlin, Berlin, Germany, ¹⁰Università degli Studi di Genova, Genoa, Italy, ¹¹PRINTO, Istituto Giannina Gaslini, Genova, Italy, ¹²University of Wisconsin, Madison, WI, ¹³University of Alabama at Birmingham, Birmingham, AL, ¹⁴SickKids, Toronto, ON, Canada, ¹⁵Ghent University Hospital, Ghent, Belgium, ¹⁶Department of Medicine, Middlemore Hospital, Auckland, Auckland, New Zealand
Background/Purpose: The lack of pediatric classification criteria for axial disease is a major impediment to the conduct of clinical trials for juvenile spondyloarthritis (SpA). Classification…
Abstract Number: 0270 • ACR Convergence 2020
The New EULAR/ ACR 2019 SLE Classification Criteria: Defining Ominosity in SLE
Laura Whittall-Garcia¹, Dafna Gladman², Murray Urowitz³, Jiandong Su⁴ and Sindhu Johnson⁵, ¹University Health Network, Toronto, ON, Canada, ²Krembil Research Institute, Toronto Western Hospital, Toronto, ON, Canada, ³University Health Network, University of Toronto, Toronto, ON, Canada, ⁴University of Toronto Lupus Clinic, Centre for Prognosis Studies in Rheumatic Diseases, Toronto Western Hospital, University Health Network, Toronto, ON, Canada, ⁵University of Toronto, Toronto, ON, Canada
Background/Purpose: SLE is characterized by different patterns of disease activity throughout its course. Overall, a higher disease activity is an important predictor of mortality and…
Abstract Number: 2038 • ACR Convergence 2020
Characterizing Morphea Subsets Using a Multi-center, Prospective, Cross-sectional Analysis
Jane Zhu¹, Smriti Prasad², Kaila Schollaert-Fitch³, Robert Haley⁴, Kathryn Torok³ and Heidi Jacobe², ¹UT Southwestern Medical Center, Dallas, ²University of Texas Southwestern Medical Center, Dallas, TX, ³University of Pittsburgh, Pittsburgh, PA, ⁴University of Texas Southwestern Medical Center, Dallas
Background/Purpose: Morphea, or localized scleroderma, is an inflammatory condition of the skin and soft tissue that results in excessive collagen deposition, often producing permanent functional…
Abstract Number: 0277 • ACR Convergence 2020
Incidence and Time to Classification of Systemic Lupus Erythematosus by Three Different Classification Criteria
Ali Duarte-Garcia¹, Mehmet Hocaoglu², Shirley-Ann Osei-Onomah³, Jesse Dabit¹, Rachel Giblon¹ and Cynthia Crowson⁴, ¹Mayo Clinic, Rochester, MN, ²University of Maryland Medical Center Midtown Campus, Baltimore, MD, ³Mayo Clinic, Rochester, ⁴Mayo Clinic, Rochester, Minnesota, USA, Rochester, MN
Background/Purpose: Classification criteria are standardized definitions required to identify well defined cohorts of patients for research. In practice they are also used as a framework…
Abstract Number: 0301 • ACR Convergence 2020
Genetic Associations and Polygenic Risk Assessment in Incomplete Lupus Erythematosus
Matthew Slief¹, Jeremy Levin², Susan Macwana¹, Wade DeJager¹, Rebecka Bourn³, Swapan Nath³, Melissa Munroe⁴, Teresa Aberle¹, Patrick Gaffney⁵, Joan Merrill³, Judith James⁶ and Joel Guthridge¹, ¹Oklahoma Medical Research Foundation, Oklahoma City, OK, ²OU Medical Center, Oklahoma City, ³Oklahoma Medical Research Foundation, Oklahoma City, ⁴Oklahoma Medical Research Foundation/Progentec Diagnostics, Inc., Oklahoma City, OK, ⁵Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation, Oklahoma City, OK, ⁶Arthritis and Clinical Immunology Research Program, Oklahoma Medical Research Foundation;Department of Pathology, University of Oklahoma Health Sciences Center;Department of Medicine, University of Oklahoma Health Sciences Center, Edmond, OK
Background/Purpose: Patients with incomplete lupus erythematosus (ILE) have features of lupus, but have insufficient criteria for SLE classification. Some ILE patients transition to classified SLE,…
Abstract Number: 0303 • ACR Convergence 2020
SLE Patients Stratify into Distinct Clusters Based on Their Peripheral Blood Immunologic Phenotype During Acute Flare
Kieran Manion¹, Carolina Munoz-Grajales², Michael Kim³, Kirubel Goliad⁴, Dennisse Bonilla⁵, Dafna Gladman¹, Murray Urowitz⁶, Zahi Touma⁷ and Joan Wither⁵, ¹Krembil Research Institute, Toronto Western Hospital, Toronto, ON, Canada, ²University of Toronto-UHN, Toronto, ON, Canada, ³Krembil Research Insitute, Toronto, ON, Canada, ⁴University of Toronto-UHN, Toronto, Canada, ⁵University of Toronto Lupus Clinic, Centre for Prognosis Studies in Rheumatic Diseases, Toronto Western Hospital, University Health Network, Toronto, ON, Canada, ⁶University Health Network, University of Toronto, Toronto, ON, Canada, ⁷University of Toronto, Toronto, ON, Canada
Background/Purpose: SLE is a chronic autoimmune disease in which periods of quiescence are interspersed with acute flares of disease activity that produce much of the…
Abstract Number: 0401 • ACR Convergence 2020
Prevalence and Characteristics of Systemic Sclerosis Patients Fulfilling the 2019 EULAR/ACR Classification Criteria for Systemic Lupus Erythematosus
Ronald Bass¹, Duncan Moore² and Virginia Steen², ¹Georgetown University School of Medicine, Washington, DC, ²Division of Rheumatology, Department of Medicine, MedStar Georgetown University Hospital, Washington, DC
Background/Purpose: Literature describing the overlap syndrome of SSc and SLE is limited and has employed a range of case definitions. Our study sought to use…
Abstract Number: 0521 • ACR Convergence 2020
Avoiding Misclassification of Primary Antiphospholipid Syndrome as Systemic Lupus Erythematosus: What Are the Best-performing SLE Classification Criteria?
Flavio Signorelli¹, Gustavo Balbi², Eloisa Bonfa³, Eduardo Borba⁴ and Danieli Andrade⁵, ¹Universidade de São Paulo, Rio de janeiro, Rio de Janeiro, Brazil, ²Universidade de São Paulo, Juiz de Fora, Minas Gerais, Brazil, ³Hospital das Clínicas, Faculdade de Medicina da Universidade de Sao Paulo (HCFMUSP), Sao Paulo, Sao Paulo, Brazil, ⁴Rheumatology Division, Hospital das Clinicas HCFMUSP, Faculdade de Medicina, Universidade de São Paulo, São Paulo, Brazil, ⁵University of Sao Paulo, Sao Paulo, Brazil
Background/Purpose: Primary Antiphospholipid Syndrome (PAPS) patients, when submitted to Systemic Lupus Erythematosus (SLE) classification criteria, can be misclassified. The new 2019 ACR/EULAR classification criteria have…
Abstract Number: 0522 • ACR Convergence 2020
Development of New International Classification Criteria for Antiphospholipid Syndrome: Phase III Case Collection Results
Medha Barbhaiya¹, Stephane Zuily², Yasaman Ahmadzadeh³, Karen Costenbader⁴, Raymond Naden⁵ and Doruk Erkan⁶, ¹Hospital for Special Surgery, Barbara Volcker Center for Women and Rheumatic Diseases, New York, NY, ²Nancy Academic Hospital, Vandoeuvre-l�Nancy, France, ³Hospital for Special Surgery, New York, ⁴Brigham and Women's Hospital and Harvard Medical School, Boston, MA, ⁵Department of Medicine, Middlemore Hospital, Auckland, Auckland, New Zealand, ⁶Hospital for Special Surgery, New York, NY
Background/Purpose: An international multi-disciplinary effort is underway to develop rigorous, new, consensus- and evidence-based classification criteria for Antiphospholipid Syndrome (APS). The methodological approach includes four…
Abstract Number: 0524 • ACR Convergence 2020
Determination of Homogenous Subgroups of Antiphospholipid Syndrome: A Cluster Analysis Based on 509 Cases
Yann Nguyen¹, Cécile Yelnik², Nathalie Morel³, Romain Paule⁴, Pierre-Yves Hatron², Romain Stammler⁵, Léo Plaçais³, Jean-Charles Piette⁶, Luc Mouthon⁷, Eric Hachulla⁸, Marc Lambert², Le Guern Véronique³ and Nathalie Costedoat-Chalumeau⁹, ¹1Department of Internal Medicine, Hôpital Beaujon, APHP Nord, Université de Paris, Clichy, Clichy, France, ²Department of Internal Medicine and Clinical Immunology, National Referral Centre for rare Systemic Auto-immune Diseases North and North-West of France (CeRAINO), CHU Lille, Hôpital Claude Huriez, Lille, France, Lille, France, ³National Referral Centre for Rare Autoimmune and Systemic Diseases, Department of Internal Medicine, Hôpital Cochin, AP-HP Centre, Université de Paris, Paris, France, Paris, France, ⁴Department of Internal Medicine, Hôpital Foch, Suresnes, France, Suresnes, France, ⁵National Referral Centre for Rare Autoimmune and Systemic Diseases, Department of Internal Medicine, Hôpital Cochin, AP-HP Centre, Université de Paris, Paris, France, Paris, ⁶Department of Internal Medicine, Hôpital Pitié-Salpêtrière, Paris, France, Paris, France, ⁷National Referral Center for Rare Systemic Autoimmune Diseases, Cochin Hospital, Paris-Descartes University, Paris, France, ⁸Department of Internal Medicine and Clinical Immunology, Université de Lille, Lille, France, Lille, France, ⁹APHP, Université de Paris, Paris, France
Background/Purpose: Antiphospholipid syndrome (APS) is a heterogeneous disease, with different phenotypes which may widely vary from classical thrombotic or obstetrical manifestations to catastrophic antiphospholipid syndrome…
Abstract Number: 1080 • ACR Convergence 2020
Sensitivity and Specificity of the 2017 EULAR/ACR Criteria for Idiopathic Inflammatory Myopathies in a Cohort of Patients from Latin America
Antonia Maria Valenzuela Vergara¹, Magdalena Torres¹ and Alejandro Deves¹, ¹Pontificia Universidad Catolica de Chile, Santiago de Chile, Chile
Background/Purpose: Idiopathic inflammatory myopathies (IIM) are a heterogeneous group of diseases characterized by muscle inflammation and internal organ involvement. The Bohan & Peter (B&P) criteria…
Abstract Number: 1162 • ACR Convergence 2020
Comparison of Clinicopathologic and Imaging Features Between Chronic Nonbacterial Osteomyelitis and Its Mimickers: A Multi-national 450 Case-Control Study
Yongdong Zhao¹, Raymond Naden², Melissa Oliver³, Zhaoyi Wang⁴, Eveline Wu⁵, Cassyanne Aguiar⁶, Jonathan Akikusa⁷, Ozge Basaran⁸, Kevin Cain¹, Martina Capponi⁹, Nathan Donaldson¹⁰, Emily Fox¹¹, Antonella Insalaco¹², Annette Jansson¹³, Ummusen Kaya Akca¹⁴, Tzielan Lee¹⁵, Edoardo Marrani¹⁶, Kamran Mahmood¹⁷, Elizabeth Murray¹⁸, Farzana Nuruzzaman¹⁹, Karen Onel²⁰, Manuela Pardeo¹², Lauren Potts²¹, Nathan Rogers¹⁰, Anja Schnabel²², Gabriele Simonini²³, Jennifer Soep¹⁰, Sara Stern²⁴, Alexander Theos²⁵, Yujuan Zhang²⁶, Polly Ferguson²⁷, Christian Hedrich²⁸, Fatma Dedeoglu²⁹, Hermann Girschick³⁰, Ronald Laxer³¹ and Seza Ozen³², ¹University of Washington, Seattle, WA, ²Department of Medicine, Middlemore Hospital, Auckland, Auckland, New Zealand, ³Department of Pediatric Rheumatology, Riley Children's Hospital, Carmel, IN, ⁴University of Washington, Bothell, WA, ⁵UNC Chapel Hill, Chapel Hill, NC, ⁶Children's Hospital of the King's Daughters/EVMS, Norfolk, VA, ⁷PRINTO, Istituto Giannina Gaslini, Genova, Italy, ⁸Hospital for Special Surgery, New York City, NY, ⁹IRCCS Ospedale Pediatrico Bambino Gesu', Rome, Italy, ¹⁰Children's Hospital Colorado, Aurora, CO, ¹¹Children's Mercy Kansas City, Kansas City, MO, ¹²Division of Rheumatology, IRCCS Ospedale Pediatrico Bambino Gesù, Rome, Italy, Rome, Italy, ¹³Dr. von Hauner Children's Hospital, Munich, Germany, ¹⁴Hacettepe University, Division of Pediatric Rheumatology, Department of Pediatrics, Faculty of Medicine, Ankara, Turkey, ¹⁵Stanford University School of Medicine, Palo Alto, CA, ¹⁶University of Florence, Firenze, Italy, ¹⁷Alder Hey Children's NHS Foundation Trust Hospital, Liverpool, England, United Kingdom, ¹⁸CRMO Patient Partner, New York, NY, ¹⁹Stony Brook Children's Hospital, Stony Brook, NY, ²⁰Pediatric Rheumatology, Hospital for Special Surgery, New York, NY, ²¹CRMO Patient Partner, Fort Collins, CO, ²²Universitätsklinikum Carl Gustav Carus, Technische Universität Dresden, Dresden, Germany, ²³Anna Meyer Children's Hospital, Firenze, Italy, ²⁴University of Utah and Primary Children's Hospital, Salt Lake City, UT, ²⁵Georgetown University, DERWOOD, MD, ²⁶Tufts Medical Center, Boston, MA, ²⁷University of Iowa Carver College of Medicine, Iowa City, IA, ²⁸University of Liverpool, Liverpool, United Kingdom, ²⁹Boston Children's Hospital, Boston, MA, ³⁰Vivantes Children’s Hospital, Wuerzburg, Germany, ³¹The Hospital for Sick Children, Toronto, ON, Canada, ³²Department of Pediatric Rheumatology, Hacettepe University, Ankara, Turkey, Ankara, Turkey
Background/Purpose: Chronic nonbacterial osteomyelitis (CNO)/chronic recurrent multifocal osteomyelitis (CRMO) predominantly affects children and young adults. Classification criteria are not available and diagnostic criteria that have…

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