Last edited 05/2020

If this syndrome is not treated then it is invariably fatal. A good prognosis is achieved if treatment is instituted early and if the level of treatment is tailored to disease activity at the time.

The 5-year survival rates for EGPA is estimated to be 60–97% (1).


  • Yates A, Watts R. ANCA-associated vasculitis. Clinical Medicine 2017 Vol 17, No 1: 60–4