ABSTRACT
Automated plasma exchange was originally performed with centrifugation devices used in blood blanking procedures. These devices offer the advantage of allowing for selective cell removal (cytapheresis) (1). Plasma exchange can also be performed with a highly permeable filter and standard dialysis equipment, a technique often referred to as membrane plasma separation (MPS) (2). A detailed review of the available removal systems has been provided by Sowada et al. (3).
