Wegener's granulomatosis. Clinical features and outcome in 13 patients.

Thirteen patients with Wegener's granulomatosis were seen over 10.5 years. The clinical features resembled those in previously reported series, except for the increased frequency of inflammatory arthritis, which was a prominent early feature in ten patients (77%). Four (31%) of the 13 had fulminant vasculitis and died before receiving an adequate course of cytotoxic drug therapy. Two of these four had a pulmonary-renal syndrome that mimicked Goodpasture's syndrome. All of the remaining nine patients (69%) achieved an initial remission with cytotoxic agents (azathioprine or cyclophosphamide), but four died in less than one year with no evidence of vasculitis at autopsy. The 56% survival rate to one year in these nine patients contrasts with an 86% to 100% survival in other series. Chronic renal failure was a prominent sequela in those who survived one year.