Abstracts tagged "Administrative Data"

Abstract Number: 0400 • ACR Convergence 2025
Recent Antibiotic Exposure and Response to Treatment of Juvenile Idiopathic Arthritis
Daniel Horton¹, Charu Verma², Sanika Rege², Alicia Iizuka², Matthew Iozzio³, Dawn Koffman³, Stephen Crystal⁴, Amy Davidow⁵, Tobias Gerhard², Lauren Parlett⁶, Carlos Rose⁷ and Brian Strom⁸, ¹Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, ²Rutgers Center for Pharmacoepidemiology and Treatment Science, Institute for Health, Health Care Policy and Aging Research, Rutgers University, New Brunswick, NJ, USA, New Brunswick, NJ, ³Rutgers Center for Pharmacoepidemiology and Treatment Science, Institute for Health, Health Care Policy and Aging Research, Rutgers University, New Brunswick, NJ, USA, New Brunswick, ⁴Rutgers Center for Health Services Research, Institute for Health, Health Care Policy and Aging Research, New Brunswick, NJ, ⁵New Jersey Medical School, Newark, NJ, ⁶Carelon Research, Inc, Wilmington, DE, ⁷Thomas Jefferson University, Wilmington, DE, ⁸Rutgers Biomedical and Health Sciences, New Brunswick
Background/Purpose: Juvenile idiopathic arthritis (JIA), the most common pediatric rheumatic disease, has been tied to microbiome disruption (dysbiosis). Dysbiosis in adults with arthritis affects response…
Abstract Number: 1909 • ACR Convergence 2025
Trends of venous thromboembolism after total joint replacement in the United Kingdom after the introduction of NICE guidelines.
Subhashisa Swain¹, Nadja Leith², Sarah Brown², Cynthia Wright Drakesmith², Jonathan Rees³, Clare Bankhead⁴ and John Powell⁴, ¹Keele University, University of Oxford, Keele, United Kingdom, ²University of Oxford, Oxford, United Kingdom, ³NDORMS, University of Oxford, Oxford, United Kingdom, ⁴NDPCHS, University of Oxford, Oxford, United Kingdom
Background/Purpose: Joint replacement (JR) surgery is one of the preferred management for end-stage arthritis. Venous Thromboembolism (VTE) is one of the major post-surgical complications after…
Abstract Number: 0399 • ACR Convergence 2025
External Validation of Claims-based Algorithms for Newly Diagnosed Juvenile Idiopathic Arthritis
Daniel Horton¹, Lauren Parlett², Yuyang Zhu³, Sanika Rege⁴, Patricia Hoffman⁵, Daniel Reiff⁶, Sarah McGuire⁷, Sonia Pothraj⁸, Cynthia Salvant⁹, Lakshmi Moorthy¹, Cecilia Huang⁴, Dawn Koffman⁴, Matthew Iozzio³, Alicia Iizuka⁴, Kevin Schott², Stephen Crystal¹⁰, Amy Davidow¹¹, Tobias Gerhard⁴, Kevin Haynes¹², Brian Strom¹³, Daniel Beachler² and Carlos Rose¹⁴, ¹Department of Pediatrics, Rutgers Robert Wood Johnson Medical School, New Brunswick, NJ, ²Carelon Research, Inc, Wilmington, DE, ³Rutgers Center for Pharmacoepidemiology and Treatment Science, Institute for Health, Health Care Policy and Aging Research, Rutgers University, New Brunswick, NJ, USA, New Brunswick, ⁴Rutgers Center for Pharmacoepidemiology and Treatment Science, Institute for Health, Health Care Policy and Aging Research, Rutgers University, New Brunswick, NJ, USA, New Brunswick, NJ, ⁵Hospital for Special Surgery, New York, NY, ⁶Boys Town National Research Hospital, Boys Town, ⁷Department of Obstetrics and Gynecology, Cooper Medical School, Camden, Camden, NJ, ⁸Washingtonville Pediatrics, Washingtonville, NY, ⁹Albany Medical Center, Albany, NY, ¹⁰Rutgers Center for Health Services Research, Institute for Health, Health Care Policy and Aging Research, New Brunswick, NJ, ¹¹New Jersey Medical School, Newark, NJ, ¹²Janssen Research & Development, Titusville, NJ, ¹³Rutgers Biomedical and Health Sciences, New Brunswick, ¹⁴Thomas Jefferson University, Wilmington, DE
Background/Purpose: Administrative claims databases enable research in large populations with JIA. We previously showed that machine learning (ML)-based algorithms accurately identify new JIA diagnoses within…
Abstract Number: 0490 • ACR Convergence 2024
Improvements in Peri-fracture Care in Rheumatoid Arthritis (RA) Have Offset Increased Mortality
Owen Taylor-Williams¹, Johannes Nossent² and Charles Inderjeeth³, ¹University of Western Australia, Perth, Western Australia, Australia, ²University of Western Australia, Sir Charles Gairdner Hospital, Perth, Western Australia, Australia, ³SCGH and OPH Group & University of Western Australia, Perth, Western Australia, Australia
Background/Purpose: Hip or pelvis fractures (HOP) are common osteoporotic fractures (OP) with significant risks of medical complications, placement into care, reduced quality of life and…
Abstract Number: 1717 • ACR Convergence 2024
Early Antimalarial Adherence Reduces Future Hospitalization Cost in Rheumatoid Arthritis and Systemic Lupus Erythematosus Patients: Evidence from a Population-based Study
Md Rashedul Hoque¹, Diane Lacaille², J. Antonio Avina-Zubieta², Mary A. De Vera³, Yi Qian⁴, John Esdaile⁵ and Hui Xie⁶, ¹Simon Fraser University, Vancouver, BC, Canada, ²Arthritis Research Canada, University of British Columbia, Vancouver, BC, Canada, ³University of British Columbia, Faculty of Pharmaceutical Sciences, Vancouver, BC, Canada, ⁴University of British Columbia, Vancouver, Canada, ⁵Arthritis Research Canada, Vancouver, BC, Canada, ⁶Arthritis Research Canada, Simon Fraser University, Vancouver, BC, Canada
Background/Purpose: To examine the association between antimalarial (AM) adherence and hospitalization costs among newly diagnosed rheumatoid arthritis (RA) and systemic lupus erythematosus (SLE) patients.Methods: We…
Abstract Number: 2622 • ACR Convergence 2024
Quality of Care for Childhood-Onset Lupus Nephritis: Suboptimal Completion of Disease Activity Monitoring
Emily Smitherman¹, Justin Leach¹, Aimee Hersh², Melissa Mannion¹, Jinoos Yazdany³ and Jeffrey Curtis⁴, ¹University of Alabama at Birmingham, Birmingham, AL, ²University of Utah, Salt Lake City, UT, ³UCSF, San Francisco, CA, ⁴University of Alabama at Birmingham, Hoover, AL
Background/Purpose: Poorly controlled childhood-onset lupus nephritis (cLN) can lead to end-stage kidney disease (ESKD), requiring kidney replacement therapies with substantial financial and quality of life…
Abstract Number: 0529 • ACR Convergence 2024
Discontinuation of Targeted Disease-Modifying Antirheumatic Agents in Older Patients with Rheumatoid Arthritis: Retrospective Analysis of Medicare Data
Yinan Huang¹, Shadi Bazzazzadehgan², Sebastian Bruera³ and Sandeep Agarwal³, ¹University of Mississippi School of Pharmacy, Oxford, MS, ²University of Mississippi School of Pharmacy, Oxford, ³Baylor College of Medicine, Houston
Background/Purpose: Individuals with rheumatoid arthritis (RA) may discontinue b/tsDMARDs due to treatment failure, adverse events or costs. Little is known about b/tsDMARDs discontinuation among Medicare…
Abstract Number: 1720 • ACR Convergence 2024
Herpes Zoster Risk Following Initiation of Immunosuppressive Therapy Among Adults with Rheumatic Disease
Justin Gatwood¹, Yong Zhu², Andrea Steffens², Stephanie Gallagher², Mary DuCharme² and Nikita Stempniewicz¹, ¹GSK, Philadelphia, PA, ²Optum Life Sciences, Eden Prairie, MN
Background/Purpose: Previous studies have demonstrated that the risk of herpes zoster (HZ) among adults with rheumatic disease, such as rheumatoid arthritis (RA), psoriatic arthritis (PsA),…
Abstract Number: 2673 • ACR Convergence 2024
Changes in Mortality Risk After Stopping Glucocorticosteroids – a Population-based Study in Rheumatoid Arthritis
Diane Lacaille¹, Coraline Danieli², Kasra Moolooghy¹ and Michal Abrahamowicz³, ¹Arthritis Research Canada, University of British Columbia, Vancouver, BC, Canada, ²Research Institute of McGill University Health Center (RI-MUHC), Montreal, QC, Canada, ³McGill University, Verdun, Canada
Background/Purpose: Glucocorticosteroid (GC) use is associated with increased mortality risk, especially from cardiovascular diseases (CVD) and infections, with dose and duration of use influencing risk.…
Abstract Number: 0564 • ACR Convergence 2024
The Risk of Venous Thromboembolism in Axial Spondyloarthritis: A Population-based Study
Mayas Arraf¹, Devy Zisman², walid Saliba³, Nili Stein⁴ and Joy Feld⁵, ¹Technion medical school, Haifa, Israel, ²Carmel Medical Center, Haifa, Israel, ³Carmel medical center, Haifa, Israel, ⁴Department of Community Medicine and Epidemiology, Haifa, Israel, ⁵Carmel and Zvulun Medical Centre, Haifa, Israel
Background/Purpose: Scarce data exist regarding the incidence of venous thromboembolism events (VTE); pulmonary embolism (PE) and deep vein thrombosis (DVT), in patients with axial spondylarthritis…
Abstract Number: 1722 • ACR Convergence 2024
Machine Learning-based Risk Stratification Tool to Predict Early Flare for Rheumatic and Musculoskeletal Diseases
Pradip Moon¹, Weizi Li¹, Antoni Chan² and Eghosa Bazuaye², ¹University of Reading, Reading, United Kingdom, ²Royal Berkshire NHS Foundation Trust, Reading, United Kingdom
Background/Purpose: Rheumatic and musculoskeletal diseases (RMD) affect up to one-third of the UK population and are the number one cause of disability and one of…
Abstract Number: 2674 • ACR Convergence 2024
Real-World Analysis of Initial Clinical Response and Future Outcomes Among Patients with Rheumatoid Arthritis Initiating and Remaining on a 1st-Line Tumor Necrosis Factor Inhibitor in the United States
christina Charles-Schoeman¹, Patrick Zueger², Erin Blondell², Siran Fang², Yi Peng², Manish Jain³ and John Tesser⁴, ¹UCLA Medical Center, Santa Monica, CA, ²AbbVie Inc, North Chicago, IL, ³Endeavor Health Swedish Hospital and Captain James A, Chicago, IL, ⁴Arizona Arthritis and Rheumatology Associates, P.C., Phoenix, AZ
Background/Purpose: For patients with rheumatoid arthritis (RA), current ACR guidelines recommend evaluating treatment response within 3 months of initiating a new therapy. In patients who…
Abstract Number: 0709 • ACR Convergence 2024
Linear Combination of Principal Components Achieves Top Performance in Identifying Rheumatologist-Diagnosed Systemic Sclerosis from Electronic Health Records
Yiming Luo, Gongbo Zhang, Chunhua Weng and Elana Bernstein, Columbia University Irving Medical Center, New York, NY
Background/Purpose: Systemic sclerosis (SSc) is a rare systemic autoimmune rheumatic disease. International Classification of Diseases (ICD) code counts (for example, using ≥ 2 ICD-10 codes…
Abstract Number: 1728 • ACR Convergence 2024
Higher Oral Steroid Dose Is Associated with Worse Survival in Immune Checkpoint Inhibitor-Treated Rheumatoid Arthritis Patients with Metastatic Non-Small Cell Lung Cancer
Deanna Jannat-Khah¹, Jeffrey Curtis², Fenglong Xie³, Ashish Saxena⁴ and Anne Bass⁵, ¹Hospital For Special Surgery, New York, NY, ²The University of Alabama at Birmingham, Birmingham, AL, ³University of Alabama at Birmingham, Birmingham, AL, ⁴Weill Cornell Medicine, New York, NY, ⁵Hospital for Special Surgery, Weill Cornell Medicine, New York, NY
Background/Purpose: It is unknown if steroid use for RA patients could interfere with the benefits of immune checkpoint inhibitors (ICI) as cancer therapies. Additionally, it…
Abstract Number: 0723 • ACR Convergence 2024
Sociodemographic Factors Associated with Clinic Non-attendance and Unscheduled Emergency Care Episodes in ANCA-associated Vasculitis
Warren RG James¹, Corri Black¹, Neil Basu², Mark A Little³ and Rosemary Hollick¹, ¹University of Aberdeen, Aberdeen, United Kingdom, ²University of Glasgow, Glasgow, Scotland, United Kingdom, ³Trinity College Dublin, Dublin, Ireland
Background/Purpose: Increasing evidence suggests that socioeconomic status drives differences in outcomes for people with rheumatic conditions. Individuals with complex, rare rheumatic conditions such as antineutrophil…

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