Does the revised definition of eosinophilic granulomatosis with polyangiitis (Churg-Strauss) indicate the need for a new treatment? Comment on the...

azathioprine; glucocorticoid; interleukin 5; mepolizumab; neutrophil cytoplasmic antibody; azathioprine; glucocorticoid; Churg Strauss syndrome; ear; glomerulonephritis; heart infarction; hematuria; hypereosinophilic asthma with systemic manifestation; hypereosinophilic asthma with systemic manifestation; immunosuppressive treatment; Letter; lung hemorrhage; maintenance therapy; microscopic polyangiitis; necrotizing arteritis; necrotizing glomerulonephritis; nose; patient; priority journal; proteinuria; purpura; remission; systemic disease; systemic vasculitis; throat; Wegener granulomatosis; Churg Strauss syndrome; human; microscopic polyangiitis; polyarteritis nodosa; prognosis; Wegener granulomatosis; Azathioprine; Churg-Strauss Syndrome; Glucocorticoids; Granulomatosis with Polyangiitis; Humans; Microscopic Polyangiitis; Polyarteritis Nodosa; Prognosis