Abstract Number: 2639 • 2019 ACR/ARP Annual Meeting
Comparison of Patient Self-reported Data to Physician-driven Cohorts in Patients with Eosinophilic Granulomatosis with Polyangiitis
Background/Purpose: Aligning perspectives of patients and physicians in the diagnosis and management of diseases is imperative, particularly in rare, chronic diseases such as vasculitis. We…Abstract Number: 2640 • 2019 ACR/ARP Annual Meeting
Performance of Berden’s Classification and ANCA Renal Risk Score for the Prediction of End-Stage Renal Disease in ANCA-associated Vasculitis
Background/Purpose: Renal involvement in ANCA-associated vasculitides (AAVs) is an important factor for morbidity and mortality. Berden’s histopathologic classification for ANCA-associated glomerulonephritis has been proven to…Abstract Number: 2641 • 2019 ACR/ARP Annual Meeting
Clinical Characteristics of a Cohort of Patients with a Self-Reported Diagnosis of Granulomatosis with Polyangiitis or Microscopic Polyangiitis
Background/Purpose: To provide a feasible and sustainable platform for conducting patient-centered research in vasculitis, a prospective, international, internet-based registry of patients with vasculitis has been…Abstract Number: 2642 • 2019 ACR/ARP Annual Meeting
ANCA Testing: Final Diagnoses in Cases with Positive Immunofluorescence and Negative ELISA
Background/Purpose: With the widespread availability of anti-neutrophil cytoplasmic antibody (ANCA) testing, interpreting positive results has become increasingly challenging. In addition to ANCA Associated Vasculitis (AAV),…Abstract Number: 2643 • 2019 ACR/ARP Annual Meeting
Comparative Study of Renal Transplantation Due to Rapidly Progressive Glomerulonephritis (RPGN): Study of 42 Patients from a Single Tertiary Centre
Background/Purpose: Rapidly Progressive Glomerulonephritis (RPGN) is characterized clinically by a rapid and severe decline in kidney function. Thus, this entity may lead to an end…Abstract Number: 2644 • 2019 ACR/ARP Annual Meeting
Ultrasound to Monitor Treatment Response in Large Vessel Giant Cell Arteritis
Background/Purpose: On ultrasound (US) examinations, large vessel vasculitis (LVV) has been reported to be present in up to 55% of Giant cell arteritis (GCA) patients.…Abstract Number: 2645 • 2019 ACR/ARP Annual Meeting
The Anteromedial Ultrasound Examination of the Large Supraaortic Vessels Identifies Higher Rates of Large Vessel Involvement Than Previous Reported in Patients with Giant Cell Arteritis
Background/Purpose: Giant cell arteritis (GCA) affects both the cranial and large vessels. Ultrasonographic studies have reported that the incidence of large vessel vasculitis (LVV) in…Abstract Number: 2646 • 2019 ACR/ARP Annual Meeting
Survival of Large Vessel Giant Cell Arteritis in Northern Italy During a 26-year Period : No Correlation with Demographical, Clinical, Laboratory and Imaging Data
Background/Purpose: To investigate the relationship between demographical, clinical, laboratory and imaging data and survival in patients with large vessel giant cell arteritis (LVGCA) in a…Abstract Number: 2647 • 2019 ACR/ARP Annual Meeting
Flares and Long-term Remission in Large-vessel Giant Cell Arteritis in Northern Italy: Characteristics and Predictors in a Long-term Follow-up Study
Background/Purpose: To evaluate the frequency, timing, and characteristics of flares and to evaluate the frequency of long-term remission after glucocorticoids (GCs) suspension in an Italian…Abstract Number: 2648 • 2019 ACR/ARP Annual Meeting
Association Between Specimen Length and Number of Sections and Diagnostic Yield of Temporal Artery Biopsy: A Retrospective, Single Center Experience over a 21 Years’ Period
Background/Purpose: To investigate the association between specimen length and number of sections and the diagnostic yield of temporal artery biopsy (TAB) for giant cell arteritis…Abstract Number: 2649 • 2019 ACR/ARP Annual Meeting
Comparison of Biopsy Proven Giant Cell Arteritis in North America and South Europe: A Population-Based Study
Background/Purpose: To compare clinical characteristics, treatment, long-term follow-up and prognosis of two population-based cohorts of patients with biopsy-proven giant cell arteritis (GCA) from North America…Abstract Number: 2650 • 2019 ACR/ARP Annual Meeting
Predictors of Relapse in Giant Cell Arteritis: Data from an International Collaboration
Background/Purpose: Roughly half of giant-cell arteritis (GCA) patients taking only glucocorticoids (GCs) relapse. The relapse rate seems to reflect, in part, the duration of GC intake, more…Abstract Number: 2651 • 2019 ACR/ARP Annual Meeting
Are There Phenotypic Overlaps Between Giant Cell Arteritis Subgroups?
Background/Purpose: In parallel to the improvements in imaging, increasing data is accumulated regarding phenotypes of primary vasculitides. Giant cell arteritis (GCA) is a large vessel…Abstract Number: 2652 • 2019 ACR/ARP Annual Meeting
Comparison Between Transmural and Isolated Periadventitial And/or Adventitial Inflammation at Temporal Artery Biopsy: A Single Center Cohort of Biopsy-Positive GCA with Long Term Follow-up
Background/Purpose: Temporal artery biopsy (TAB) showing transmural inflammation is considered the gold standard for the diagnosis of giant cell arteritis (GCA). In some cases, inflammation…Abstract Number: 2653 • 2019 ACR/ARP Annual Meeting
Adventitial Fibroblast, an Important Actor in Giant Cell Arteritis
Background/Purpose: Giant cell arteritis (GCA) is a systemic vasculitis affecting large vessels. The diagnosis is based on temporal artery biopsy (TAB) which shows an arterial…
