Abstract Number: 0857 • ACR Convergence 2023
Change in Albuminuria in Patients with ANCA-Associated Vasculitis Treated with Avacopan
Background/Purpose: Urinary albumin:creatinine ratio (UACR) is an important biomarker of active glomerulonephritis, a common complication of antineutrophil cytoplasmic autoantibody (ANCA)-associated vasculitis (AAV). In most glomerular…Abstract Number: 1535 • ACR Convergence 2023
Epidemiology and Treatment Outcome of ANCA-associated Vasculitis in South Korea: A Nationwide, Population-based Cohort Study
Background/Purpose: Previous studies on AAV have shown that the epidemiology and clinical features of GPA and MPA differ among countries. Considering their high mortality and…Abstract Number: 1538 • ACR Convergence 2023
Large Vessel Involvement in Antineutrophil Cytoplasmic Antibody- Associated Vasculitis: A Single Center Experience over Two Decades
Background/Purpose: Anti-neutrophil cytoplasmic antibody (ANCA) associated vasculitis (AAV) is currently categorized under the small vessel vasculitides and includes granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA),…Abstract Number: 1553 • ACR Convergence 2023
Central Nervous System Involvement and Mimickers in ANCA Associated Vasculitis
Background/Purpose: Central nervous system (CNS) involvement is rare in ANCA associated vasculitis (AAV). On the other hand, AAV patients may develop complications or other conditions…Abstract Number: 2375 • ACR Convergence 2023
Clinical Characteristics of ANCA-associated Vasculitis with High Levels of Serum Interleukin 7
Background/Purpose: Interleukin 7 (IL-7) is a hematopoietic growth factor produced by stromal cells in the bone marrow and thymus, which is indispensable in maintaining immune…Abstract Number: 2376 • ACR Convergence 2023
Eosinophil Activation as a Biomarker for Discriminating Active and Remission Phase in ANCA-Associated Vasculitis
Background/Purpose: Antineutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV) is a life-threatening disease requiring complex management due to a lack of suitable biomarkers. Elevated or persistently positive…Abstract Number: 2379 • ACR Convergence 2023
A Real-World Descriptive Study of Renal Outcomes Among Patients with ANCA-Associated Vasculitis Initiating Remission Induction Therapy
Background/Purpose: ANCA-associated vasculitis (AAV) is a group of rare autoimmune diseases characterized by inflammation and necrosis of small- to medium-sized blood vessels, commonly affecting the…Abstract Number: 2380 • ACR Convergence 2023
Renal Survival Rate of ANCA-associated Vasculitis in Korea: A Nationwide Population-Based Study Using Claims Data
Background/Purpose: ANCA-associated vasculitis (AAV) is a rare systemic autoimmune disease with varying reports of incidence rates and clinical manifestations. Renal involvement is one of the…Abstract Number: 2385 • ACR Convergence 2023
Risk of Major Adverse Cardiovascular Events in ANCA-associated Vasculitis
Background/Purpose: The aim of this study was to investigate the risk of major adverse cardiovascular events (MACE) in patients with ANCA-associated vasculitis (AAV). Methods: We…Abstract Number: 0436 • ACR Convergence 2022
Clinical Characteristics and Outcome of ANCA-Associated Vasculitides Induced by Anti-Thyroid Drugs: A Multicenter Retrospective Cohort Study
Background/Purpose: ANCA-associated vasculitides (AAV) induced by anti-thyroid drugs (ATD) is a well-known entity. However, characteristics, requirement for immunosuppressive agents and the risk of relapse remain…Abstract Number: 0439 • ACR Convergence 2022
Clinical Characteristics of Patients with ANCA-Associated Vasculitis with and Without Alpha-1 Antitrypsin Deficiency Alleles
Background/Purpose: There are multiple reasons to suspect that alpha-1 antitrypsin (A1AT) genotype impacts disease characteristics in ANCA-associated vasculitis (AAV). A1AT serves as the predominant endogenous…Abstract Number: 0442 • ACR Convergence 2022
Induction Therapy Patterns for Severe ANCA-associated Vasculitis Differ Based on Physician Specialty, Expertise, and Practice Setting: An International Survey
Background/Purpose: Therapies for ANCA-associated vasculitis (AAV) have evolved over the last 3 decades. In light of new data on plasma exchange (PLEX) and glucocorticoid (GC)…Abstract Number: 0453 • ACR Convergence 2022
Validation of the 2022 – American College of Rheumatology/European Alliance of Associations for Rheumatology Classification Criteria in Patients with ANCA Associated Vasculitis
Background/Purpose: The purpose of this study was to validate the recently published 2022 American College of Rheumatology/European Alliance of Associations for Rheumatology Classification Criteria for…Abstract Number: 0457 • ACR Convergence 2022
A Systematic Literature Review Informing the 2022 Update of the EULAR Recommendations for the Management of ANCA-associated Vasculitis
Background/Purpose: Since the publication of the 2016 European Alliance of Associations for Rheumatology (EULAR) recommendations for the management of ANCA-associated vasculitis (AAV), the publication of…Abstract Number: 0526 • ACR Convergence 2022
Characteristics and Outcomes of Participants with and Without Diffuse Alveolar Hemorrhage in the Plasma Exchange and Glucocorticoids in Severe ANCA-Associated Vasculitis (PEXIVAS) Trial
Background/Purpose: Diffuse alveolar hemorrhage (DAH) is a potentially life-threatening manifestation of ANCA-associated vasculitis (AAV). Studies describing patients with DAH in AAV have typically been small…