Abstract Number: 0436 • ACR Convergence 2021
Ocular and Orbital Manifestations of Granulomatosis with Polyangiitis: A Systematic Review of Published Cases
Background/Purpose: Granulomatosis with polyangiitis (GPA), formerly known as Wegener’s Granulomatosis, is a systemic autoimmune condition caused by granulomatous inflammation of small and medium arteries, arterioles…Abstract Number: 0420 • ACR Convergence 2021
Development and Validation of a Simulation Model for Maintenance Treatment in ANCA-Associated Vasculitis
Background/Purpose: ANCA-associated vasculitis (AAV) care has evolved over the last two decades with several approaches to remission maintenance. However, these approaches have trade-offs regarding the…Abstract Number: 0437 • ACR Convergence 2021
Factors Associated with Reduced Immunogenicity of the BNT162b2 mRNA COVID-19 Vaccine in Patients with Autoimmune Inflammatory Rheumatic Diseases (AIIRD) Treated with Rituximab
Background/Purpose: Rituximab (RTX) has been associated with impaired humoral response to vaccination. This study aim was to identify the predictors for a lack of humoral…Abstract Number: 0421 • ACR Convergence 2021
Negative vs. Positive Antineutrophil Cytoplasmic Antibody Granulomatosis with Polyangiitis, a Case-control Study
Background/Purpose: Antineutrophil cytoplasmic antibody (ANCA) negative granulomatosis with polyangiitis (GPA) is a challenging diagnosis. There is paucity of literature regarding the clinical course of ANCA-negative…Abstract Number: 0525 • ACR Convergence 2021
STEAP3, FZD2 and EGFLAM Are Novel Genetic Risk Loci for Granulomatosis with Polyangitis: A Genome Wide Association Study from UK Biobank
Background/Purpose: Granulomatosis with Polyangitis (GPA) is a systemic ANCA associated small vessel vasculitis. Prior genetic studies demonstrated a strong association of HLA Class II region…Abstract Number: 0422 • ACR Convergence 2021
Cancer in Patients with ANCA-associated Vasculitis: Which Came First, the Chicken or the Egg?
Background/Purpose: Many studies linking vasculitis to the development of malignancy based on chronic inflammation, cytotoxicity, emergence of vasculitis as a paraneoplastic disease. Even previous studies…Abstract Number: 0533 • ACR Convergence 2021
Identification of a Novel Susceptibility Locus for Small Vessel Vasculitis with Autoantibodies Against Myeloperoxidase
Background/Purpose: ANCA-associated vasculitides (AAV) are rare but aggressive autoimmune disorders. The pathogenesis of the disorders is complex and still poorly understood; only a few genetic…Abstract Number: 0423 • ACR Convergence 2021
Urine and Plasma Complement Ba Levels During Flares of Nephritis in Patients with ANCA-Associated Vasculitis
Background/Purpose: The alternative complement pathway has been implicated in the pathogenesis of ANCA-associated vasculitis (AAV), however it is not clear whether activation of complement occurs…Abstract Number: 0952 • ACR Convergence 2021
Outcomes of COVID-19 Infection in Patients with Primary Systemic Vasculitis and Polymyalgia Rheumatica: Results from the COVID-19 Global Rheumatology Alliance Physician Registry
Background/Purpose: Patients with primary systemic vasculitis (PSV) and polymyalgia rheumatica (PMR) may be at high risk for poor COVID-19 outcomes due to the treatments used,…Abstract Number: 0425 • ACR Convergence 2021
Diagnostic Accuracy of Muscle MRI for Muscular Vasculitis in Anti-neutrophil Cytoplasmic Antibody-associated Vasculitis: A Pilot Study
Background/Purpose: Histopathologic confirmation is the golden standard for diagnosis of anti-neutrophil cytoplasmic antibody-associated vasculitis (AAV), but sometimes can be difficult because of its invasion (e.g.…Abstract Number: 0953 • ACR Convergence 2021
An International Delphi Exercise to Identify Items of Importance for Measuring Response to Treatment for ANCA-associated Vasculitis
Background/Purpose: ANCA-associated vasculitis (AAV) is characterized by fluctuating levels of disease activity. Randomized controlled trials (RCTs) in AAV have used multiple instruments to define active…Abstract Number: 0426 • ACR Convergence 2021
Ocular Manifestations of ANCA-Associated Vasculitis
Background/Purpose: ANCA-associated vasculitides (AAV) are multisystem diseases that can have multiple ophthalmic manifestations. Although there are some data on ocular disease in granulomatosis with polyangiitis…Abstract Number: 0954 • ACR Convergence 2021
The Association of Rituximab- vs. Cyclophosphamide-Based Remission Induction Strategies with Risk of End-Stage Renal Disease and Death in ANCA-Associated Vasculitis
Background/Purpose: The RAVE trial established the non-inferiority of rituximab (RTX) vs cyclophosphamide (CYC) for remission induction of ANCA-Associated Vasculitis (AAV). Patients in RAVE were followed…Abstract Number: 0427 • ACR Convergence 2021
Increased Risk of Severe Infections and Mortality in Patients with Newly Diagnosed Anti-neutrophil Cytoplasmic Antibody–associated Vasculitis: A Population-based Study
Background/Purpose: Antineutrophil cytoplasm antibody (ANCA)-associated vasculitides (AAV) are a group of multisystem inflammatory diseases of the small blood vessels. Infections are serious complications in AAV…Abstract Number: 0955 • ACR Convergence 2021
The Effect of Treatment with the Complement C5a Receptor Inhibitor Avacopan on Health-Related Quality of Life in ANCA-Associated Vasculitis
Background/Purpose: Avacopan, an oral C5a receptor inhibitor, was evaluated in ANCA-associated vasculitis (AAV). Efficacy and safety results were reported previously. Health-related quality of life (HRQoL)…
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