双重滤过血浆置换（ＤＦＰＰ）系通过将一级分离产生的致病血浆进行二级分离，弃除致病因子后的血浆与血液有形成分一同输回体内，达到治疗疾病目的的一种血浆成分分离疗法，较之单纯的血浆置换副作用少、费用降低。作者采用该法治疗重症免疫性疾病２例，疗效显著，报告如... Double-filtration plasmapheresis (DFPP) is a secondary plasma that separates the pathogenic plasma produced by primary isolation, and the plasma that has been depleted of virulence factors is returned to the body along with the blood components to reach the plasma Compositional separation therapy, compared with simple plasma exchange less side effects, lower costs. The law used to treat patients with severe immune disease in 2 cases, a significant effect, the report as ...