Epidemiology of systemic vasculitis.

Purpose Of Review: Ongoing research contributes to our understanding of the epidemiology of vasculitis and its outcomes across the globe. This review aims to summarize important research studies published on this topic in the last 18 months.

Recent Findings: The implementation of rapid referral systems and use of large vessel imaging have improved the diagnosis of giant cell arteritis.

Clinical Outcomes in Patients with Rheumatoid Arthritis After Switching Between Interleukin-6-Receptor Inhibitors and Janus Kinase Inhibitors: Findings from an Observational Study.

Introduction: This observational study evaluated response in patients with rheumatoid arthritis (RA) who switched from an interleukin-6 receptor inhibitor (IL-6Ri) to a Janus kinase inhibitor (JAKi) and vice versa.

Methods: Adult patients with RA, who initiated IL-6Ri or JAKi (following discontinuation of JAKi or IL-6Ri, respectively) during/after December 2012 and had a 6-month follow-up visit were enrolled. Clinical outcomes were evaluated at baseline and the follow-up visit.

Treatment Approaches to Granulomatosis with Polyangiitis and Microscopic Polyangiitis.

We have made significant headway in our ability to induce and maintain remission in patients with granulomatosis with polyangiitis and microscopic polyangiitis. With increased understanding of the pathogenesis of antineutrophilic cytoplasmic antibody-associated vasculitides (AAV), therapeutic targets have been identified and studied in clinical trials. From initial induction strategies including glucocorticoids and cyclophosphamide, we have discovered effective induction regimens with rituximab and complement inhibition that can significantly decrease the glucocorticoid cumulative doses in patients with AAV.

Treatment Guidelines in Vasculitis.

The vasculitides encompass a group of inflammatory conditions affecting the blood vessels with severe consequences including tissue ischemia, structural abnormalities, such as aneurysms/dissections, and end organ damage. The different forms are commonly classified based on the size of the blood vessel involved as large-vessel, medium-vessel, and small-vessel vasculitis. The American College of Rheumatology/Vasculitis Foundation recently published guidelines on the management of several forms of primary systemic vasculitides.

Virtually Speaking: The Impact of a Nationwide Synchronous and Asynchronous Learning Forum.

Objective: To address significant disruptions in didactic education precipitated by the COVID-19 pandemic, a group of rheumatology program directors collaborated with the American College of Rheumatology to create a virtual fellows-in-training (V-FIT) program.

Methods: A working group was composed to develop the virtual didactic program comprising live virtual sessions of core curricular rheumatology topics that were recorded to permit asynchronous learning. Nationally recognized educators were invited to lead sessions to fill the void in didactic education occurring on a broad scale across US rheumatology fellowship training programs.

2021 American College of Rheumatology/Vasculitis Foundation Guideline for the Management of Kawasaki Disease.

Objective: To provide evidence-based recommendations and expert guidance for the management of Kawasaki disease (KD), focusing on clinical scenarios more commonly addressed by rheumatologists.

Methods: Sixteen clinical questions regarding diagnostic testing, treatment, and management of KD were developed in the Patient/Population, Intervention, Comparison, and Outcomes (PICO) question format. Systematic literature reviews were conducted for each PICO question.

2021 American College of Rheumatology/Vasculitis Foundation Guideline for the Management of Kawasaki Disease.

Objective: To provide evidence-based recommendations and expert guidance for the management of Kawasaki disease (KD), focusing on clinical scenarios more commonly addressed by rheumatologists.

Methods: Sixteen clinical questions regarding diagnostic testing, treatment, and management of KD were developed in the Patient/Population, Intervention, Comparison, and Outcomes (PICO) question format. Systematic literature reviews were conducted for each PICO question.

Kawasaki Disease: A Systematic Review and Meta-Analysis of Benefits and Harms of Common Treatments.

Objective: Kawasaki disease (KD) is a self-limited vasculitis affecting medium-sized vessels with a predilection for the coronary arteries. Although treatment reduces the likelihood of developing of coronary artery aneurysms, 5% of patients still develop aneurysms despite treatment, making KD the leading cause of acquired heart disease in children in the United States. Consequently, there is a great deal of interest in optimizing treatment regimens, particularly for higher-risk patients, to decrease morbidity.

2021 American College of Rheumatology/Vasculitis Foundation Guideline for the Management of Antineutrophil Cytoplasmic Antibody-Associated Vasculitis.

Objective: To provide evidence-based recommendations and expert guidance for the management of antineutrophil cytoplasmic antibody-associated vasculitis (AAV), including granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA), and eosinophilic granulomatosis with polyangiitis (EGPA).

Methods: Clinical questions regarding the treatment and management of AAV were developed in the population, intervention, comparator, and outcome (PICO) format (47 for GPA/MPA, 34 for EGPA). Systematic literature reviews were conducted for each PICO question.

2021 American College of Rheumatology/Vasculitis Foundation Guideline for the Management of Polyarteritis Nodosa.

Objective: To provide evidence-based recommendations and expert guidance for the management of systemic polyarteritis nodosa (PAN).

Methods: Twenty-one clinical questions regarding diagnostic testing, treatment, and management were developed in the population, intervention, comparator, and outcome (PICO) format for systemic, non-hepatitis B-related PAN. Systematic literature reviews were conducted for each PICO question.

2021 American College of Rheumatology/Vasculitis Foundation Guideline for the Management of Giant Cell Arteritis and Takayasu Arteritis.

Objective: To provide evidence-based recommendations and expert guidance for the management of giant cell arteritis (GCA) and Takayasu arteritis (TAK) as exemplars of large vessel vasculitis.

Methods: Clinical questions regarding diagnostic testing, treatment, and management were developed in the population, intervention, comparator, and outcome (PICO) format for GCA and TAK (27 for GCA, 27 for TAK). Systematic literature reviews were conducted for each PICO question.

2021 American College of Rheumatology/Vasculitis Foundation Guideline for the Management of Polyarteritis Nodosa.

Objective: To provide evidence-based recommendations and expert guidance for the management of systemic polyarteritis nodosa (PAN).

Methods: Twenty-one clinical questions regarding diagnostic testing, treatment, and management were developed in the population, intervention, comparator, and outcome (PICO) format for systemic, non-hepatitis B-related PAN. Systematic literature reviews were conducted for each PICO question.

2021 American College of Rheumatology/Vasculitis Foundation Guideline for the Management of Antineutrophil Cytoplasmic Antibody-Associated Vasculitis.

Objective: To provide evidence-based recommendations and expert guidance for the management of antineutrophil cytoplasmic antibody-associated vasculitis (AAV), including granulomatosis with polyangiitis (GPA), microscopic polyangiitis (MPA), and eosinophilic granulomatosis with polyangiitis (EGPA).

Methods: Clinical questions regarding the treatment and management of AAV were developed in the population, intervention, comparator, and outcome (PICO) format (47 for GPA/MPA, 34 for EGPA). Systematic literature reviews were conducted for each PICO question.

2021 American College of Rheumatology/Vasculitis Foundation Guideline for the Management of Giant Cell Arteritis and Takayasu Arteritis.

Objective: To provide evidence-based recommendations and expert guidance for the management of giant cell arteritis (GCA) and Takayasu arteritis (TAK) as exemplars of large vessel vasculitis.

Methods: Clinical questions regarding diagnostic testing, treatment, and management were developed in the population, intervention, comparator, and outcome (PICO) format for GCA and TAK (27 for GCA, 27 for TAK). Systematic literature reviews were conducted for each PICO question.

Giant Cell Arteritis: A Systematic Review and Meta-Analysis of Test Accuracy and Benefits and Harms of Common Treatments.

This systematic review compares treatment options for patients with giant cell arteritis (GCA) and evaluates the test accuracy of studies used in diagnosing and monitoring GCA. These studies were used to inform evidence-based recommendations for the American College of Rheumatology (ACR)/Vasculitis Foundation (VF) vasculitis management guidelines. A systematic review and search of articles in English in Ovid Medline, PubMed, Embase, and the Cochrane Library was conducted.