Solute Removal Capacity of High Cut‐Off Membrane Plasma Separators
- 12 September 2013
- journal article
- research article
- Published by Wiley in Therapeutic Apheresis and Dialysis
- Vol. 17 (5), 484-489
- https://doi.org/10.1111/1744-9987.12114
Abstract
In vitro blood filtration was performed by a closed circuit using high cut-off membrane plasma separators, EVACURE EC-2A10 (EC-2A) and EVACURE EC-4A10 (EC-4A). Samples were obtained from sampling sites before the plasma separator, after each plasma separator, and from the ultrafiltrate of each separator. The sieving coefficient (S.C.) of total protein (TP), albumin (Alb), IgG, interleukin-6 (IL-6), interleukin-8 (IL-8), tumor necrosis factor-α (TNF-α), fibrinogen (Fib), antithrombin III (AT-III), and coagulation factor XIII (FXIII) were calculated. The S.C. of each solute using EC-2A and EC-A4 were as follows; TP: 0.25 and 0.56, Alb: 0.32 and 0.73, IgG: 0.16 and 0.50, IL-6:0.73 and 0.95, IL-8:0.85 and 0.82, TNF-α: 1.07 and 0.99, Fib: 0 and 0, FXIII: 0.07 and 0.17, respectively. When compared with the conventional type of membrane plasma separators, EVACURE could efficiently remove cytokines while retaining coagulation factors such as fibrinogen. Moreover, EC-2A prevented protein loss, whereas EC-4A could remove approximately 50% of IgG.Keywords
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