Is there a subset of ANCA vasculitis patients for which you would try plasma exchange?

Circling back to this now that we have more data. I agree with Dr. @Dr. First Last's main conclusion that GN or the presence of concomitant anti-GBM antibodies are the primary scenarios in which there may be a role for plasma exchange patients with ANCA-associated vasculitis.

Following the PEXIVAS tr...

In general, the studies of plasma exchange in ANCA-associated vasculitis have been negative, but patients with rapidly progressive glomerulonephritis or concomitant anti-GBM disease might benefit from plasma exchange. At our center, we don’t use plasma exchange very often, but some of my pulmonary c...