Objective To develop and validate revised classification criteria for granulomatosis with
polyangiitis (GPA). Methods Patients with vasculitis or comparator diseases were recruited into …

Objective To develop and validate revised classification criteria for eosinophilic granulomatosis
with polyangiitis (EGPA). Methods Patients with vasculitis or comparator diseases were …

Objective To develop and validate classification criteria for microscopic polyangiitis (MPA).
Methods Patients with vasculitis or comparator diseases were recruited into an international …

Objective To develop and validate new classification criteria for Takayasu arteritis (TAK).
Methods Patients with vasculitis or comparator diseases were recruited into an international …

Objective To develop and validate updated classification criteria for giant cell arteritis (GCA).
Methods Patients with vasculitis or comparator diseases were recruited into an international …

Objectives To describe short-term (up to 12 months) and long-term (up to 7 years) damage
in patients with newly diagnosed antineutrophil-cytoplasm antibody-associated vasculitis (…

The systemic vasculitides are a group of uncommon diseases characterized by blood vessel
inflammation. There are currently no diagnostic criteria for the primary systemic vasculitides …

Objectives To evaluate the risk of aortic aneurysm in patients with giant cell arteritis (GCA)
compared with age-, gender- and location-matched controls. Methods A UK General Practice …

Objective. Granulomatosis with polyangiitis and microscopic polyangiitis are ANCA-associated
vasculitides (AAVs). The Vasculitis Damage Index (VDI) quantifies damage. This study …

Objectives. Advances in diagnostic techniques have led to better distinction between types of
vasculitis, potentially affecting the utility of the 1990 ACR classification criteria for vasculitis. …