Abstract Number: 1032 • ACR Convergence 2020
Epidemiology and Geographic Evaluation of ANCA-associated Vasculitis (AAV) at a Rural Academic Health Center Utilizing an Electronic Health Record (EHR)
Background/Purpose: ANCA-associated vasculitis has a reported prevalence ranging from 3.2 to 9.1 cases per 100,000 individuals, but little is known of geographic variations. The aim of…Abstract Number: 1438 • ACR Convergence 2020
Rituximab Immunogenicity in ANCA-associated Vasculitis (RITUXIMAV)
Background/Purpose: Rituximab (RTX), an anti-CD20 chimeric monoclonal antibody, has been shown to be an effective maintenance therapy for granulomatosis with polyangitiis (GPA) and microscopic polyangiitis…Abstract Number: 1417 • ACR Convergence 2020
Risk of Relapse of ANCA-associated Vasculitis in Patients of 75 Years and Older: A Retrospective Study
Background/Purpose: ANCA-associated vasculitis (AAV) frequently occurs among older patients, with different clinical presentations than the younger. Little is known on the outcome of older patients…Abstract Number: 1439 • ACR Convergence 2020
Proteinase 3-Reactive B Cell Pool Restructuring After Rituximab and Risk of Relapse in Severe PR3-ANCA-Associated Vasculitis
Background/Purpose: In ANCA-associated vasculitis (AAV) B cells play a central pathogenic role and are instrumental for the production of ANCA, which are thought to mediate…Abstract Number: 1418 • ACR Convergence 2020
Clinical Presentations and Follow-up Results of Granulomatosis with Polyangiitis: An Analysis of 8 Years Clinical Experience with 220 Patients from a National Referral Center
Background/Purpose: Granulomatosis with polyangiitis (GPA) is a rare and life-threatening autoimmune disease. Due to the extremely low prevalence of GPA, monitoring of clinical characteristics and…Abstract Number: 1440 • ACR Convergence 2020
The Myeloperoxidase (MPO) Anti-Neutrophilic Cytoplasmic Antibody (ANCA) Binding Epitope, MPO447-459 Induces CD4 T-cell Proliferation in Patients with MPO-ANCA-associated Vasculitis
Background/Purpose: In Myeloperoxidase (MPO) Anti Neutrophilic Cytoplasmic Antibody (ANCA)-Associated Vasculitis (MPO-AAV), murine and human studies suggest that the MPO435-465 region, which includes ANCA-binding MPO447-459, the…Abstract Number: 1419 • ACR Convergence 2020
Clinical Disease Might Be Divided into Two Phenotypes in ANCA Associated Vasculitis; Results of a Cluster Analysis
Background/Purpose: One of the controversial matters in ANCA associated vasculitis is the definition of disease based on clinical characteristics since there is a remarkable overlap…Abstract Number: 1589 • ACR Convergence 2020
An Initiative to Improve Timely Glucocorticoid Tapering in Vasculitis
Background/Purpose: Vasculitis guidelines recommend scheduled glucocorticoid (GC) tapering to avoid toxicity. In an audit of 130 consecutive new patients on GC assessed in our tertiary…Abstract Number: 1420 • ACR Convergence 2020
Characterization of ANCA-Associated Vasculitis Among African American Patients
Background/Purpose: ANCA-associated vasculitis (AAV) comprises a group of disorders characterized by inflammation of small and medium-sized arteries. Prevalence and phenotype of these diseases appear to…Abstract Number: 1590 • ACR Convergence 2020
Bone Health in ANCA – Associated Vasculitis Patients
Background/Purpose: Glucocorticoids (GC) are an important mode of therapy in ANCA associated vasculitis (AAV), and osteoporosis (OP) and fractures are potential adverse effects seen. The…Abstract Number: 1421 • ACR Convergence 2020
Clinical Features, Disease Activity and Prognosis of ANCA-Associated Vasculitis in US African Americans
Background/Purpose: ANCA-associated vasculitis (AAV), including Granulomatosis with Polyangiitis (GPA), Eosinophilic Granulomatosis with Polyangiitis (EGPA) and Microscopic Polyangiitis (MPA), affect mostly Caucasians of European descent. Clinical…Abstract Number: 2048 • ACR Convergence 2020
Comparison of Two Rituximab Regimens for Induction of Remission in Antineutrophil Cytoplasm Antibody-associated Vasculitis: Systematic Review and Meta-analysis
Background/Purpose: Organ or life-threatening granulomatosis with polyangiitis (GPA) and microscopic polyangiitis (MPA), two of the antineutrophil cytoplasm antibody-associated vasculitis (AAV), are treated with cyclophosphamide or…Abstract Number: 1422 • ACR Convergence 2020
Healthcare Utilization Among Patients Diagnosed with ANCA-Associated Vasculitis Between 2007 and 2014 in a Multi-Center Cohort Linked to Medicare Claims Data
Background/Purpose: ANCA-associated vasculitis (AAV) leads to complications that contribute to poor quality of life and survival. Systemic vasculitis is associated with high healthcare utilization but…Abstract Number: 2050 • ACR Convergence 2020
Autoantibodies Targeting Complement Receptors C3aR and C5aR1 Are Decreased in ANCA-associated Vasculitis and Correlate with a Higher Relapse Rate
Background/Purpose: Activation of the alternative and common terminal complement pathways has been shown in ANCA-associated vasculitis (AAV). Circulating titers of the anaphylatoxin C5a are increased…Abstract Number: 1424 • ACR Convergence 2020
Outcomes of Hospitalizations for Acute Myocardial Infarction in Patients with ANCA Associated Vasculitis from the National Inpatient Sample
Background/Purpose: Several studies in the past have shown significantly increased risks of cardiovascular disease in patients with ANCA associated vasculitis (AAV). This association is thought…
