Abstract Number: 0060 • ACR Convergence 2020
ANCA-associated Vasculitis in Caucasian and Hispanics of the Inland Empire of Southern California
Background/Purpose: ANCA-associated vasculitis (AAV) is often studied in the Caucasian population with few studies looking at the disease in other races. Disease presentation and treatment…Abstract Number: 1432 • ACR Convergence 2020
Thyroid Disease in Patients with ANCA-Associated Vasculitis
Background/Purpose: Prior studies have found increased prevalence of thyroid disease in patients with ANCA-associated vasculitis (AAV), especially positive myeloperoxidase (MPO)-ANCA, but a majority of the…Abstract Number: 0418 • ACR Convergence 2020
Prevalence of Thyroid Disease Among Patients with Vasculitis
Background/Purpose: Previous studies have reported higher risk of thyroid disease in patients with giant cell arteritis (GCA) and ANCA-associated vasculitis (AAV) compared to age- and…Abstract Number: 1433 • ACR Convergence 2020
Thyroid Disease in ANCA-associated Vasculitis. a Population-based Study
Background/Purpose: A higher incidence of thyroid disease has been seen in patients with anti-neutrophil cytoplasmic antibody (ANCA)-associated vasculitis (AAV). We aim to assess the incidence…Abstract Number: 0432 • ACR Convergence 2020
The Effect on Renal Function of the Complement C5a Receptor Inhibitor Avacopan in ANCA-Associated Vasculitis
Background/Purpose: Avacopan, a novel, orally-administered selective antagonist of C5aR, was recently evaluated in a pivotal Phase 3 randomized clinical trial where its use in patients…Abstract Number: 1434 • ACR Convergence 2020
The Role of Sural Nerve Biopsy in the Diagnosis of Systemic Vasculitis – a Retrospective Study from Two Specialized Centres
Background/Purpose: Vasculitis of the peripheral nervous system is seen mainly in systemic vasculitis involving small and medium sized vessels and in cases of single-organ vasculitis…Abstract Number: 0566 • ACR Convergence 2020
Healthcare Utilization and Costs Prior to Diagnosis of ANCA Vasculitis in Medicare Beneficiaries
Background/Purpose: Antineutrophil cytoplasmic antibody (ANCA) vasculitis (AV) is a complex group of autoimmune disorders affecting blood vessels in multiple organ systems. Delays in diagnosis are…Abstract Number: 1435 • ACR Convergence 2020
Prognostic Factors for Mononeuritis Multiplex Associated with ANCA-associated Vasculitis
Background/Purpose: ANCA-associated vasculitis (AAV) sometimes presents mononeuritis multiplex which worsens the prognosis and activity of daily living in patients. This study aimed to determine theprognostic factorsand…Abstract Number: 0622 • ACR Convergence 2020
Infection-induced MPO-ANCA Associated Vasculitis: A Systematic Review of Published Case Reports
Background/Purpose: Anti-myeloperoxidase (MPO) antineutrophil cytoplasmic antibody (ANCA) has been implicated in the pathogenesis of microscopic polyangiitis (MPA) and an MPO-ANCA associated glomerulonephritis; both conditions are…Abstract Number: 1437 • ACR Convergence 2020
Measuring Disease Activity and Functional Status in Patients with Granulomatosis with Polyangiitis (Wegener’s) (GPA)
Background/Purpose: Variable association between vasculitis activity and patient reported outcomes was reported in small groups of Granulomatosis with polyangiitis (GPA) patients in the literature so…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…