[Determination of the percent of exchanged plasma in continuous membrane separation and substitution with human albumin].

In the plasma separation simultaneously with the filtering off of patients' plasma a substitution solution is infused. A part of this substitution solution is also filtered off in the sequel. Therefore the volume measured of the filtered plasma only partly consists of the original plasma of the patient. The exact size of this part is calculated by the authors from the globulin concentrations in the patients' plasma before and after the plasma separation. In this case they proceed from the prerequisites that albumin is used as substitution solution and that the plasma volume remains constant during the plasma separation.