Figure showing the direct relationship between transmembrane pressure and filtration rate when plasmapheresis is performed with hemodialysis equipment
Figure showing the direct relationship between transmembrane pressure and filtration rate when plasmapheresis is performed with hemodialysis equipment
In contrast to the usual practice, filtration rate is graphed as the independent variable, and transmembrane pressure is the dependent variable. The maximum filtration rate is achieved at a relatively low transmembrane pressure of approximately 40 mmHg (arrow).
Data from: Gurland HJ, Lysaght MJ, Samtleben W, Schmidt B. Comparative evaluation of filters used in membrane plasmapheresis. Nephron 1984; 36:173.
