A case of anaphylactic shock induced by FX60 polysulfone hemodialyzer but not F6-HPS polysulfone hemodialyzer.

A 75-year-old woman was admitted for dyspnea and fever. She underwent emergent dialysis smoothly under F6-HPS polysulfone hemodialyzer. With two subsequent hemodialysis sessions, severe anaphylactic reaction with cardiopulmonary resuscitation occurred under FX60 polysulfone dialyzer. Further dialysis sessions by F6-HPS polysulfone dialyzer were uneventful. This rare case demonstrated that dialyzer reaction may be markedly different even with the same material and the same manufacturer.