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  • Title: Influence of dialysis membranes on the convective transport of middle molecules.
    Author: De Francisco AL, Gordillo J, Cotorruelo JG, Ruiz L, Gonzalez M, Morales P, Arias M.
    Journal: Int J Artif Organs; 1986 Nov; 9(6):421-6. PubMed ID: 3818117.
    Abstract:
    Ultrafiltrates from 10 patients in chronic maintenance hemodialysis (7 males and 3 females) were obtained simultaneously using three different membranes: cuprophan, polyacrilonitrile and polysulfone. Middle molecules (MM) chromatographic profiles and total MM amount were determined by gel chromatography and high performance liquid chromatography. The convective transport of MM was similar and not membrane related. Hemofiltration, a predominantly convective solute transfer procedure using high flux membranes such as polyacrilonitrile and polysulfone, in which large amounts of fluids have to be ultrafiltered, is an effective form of MM removal.
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