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  • Title: A new low density lipoprotein apheresis system using two dextran sulfate cellulose columns in an automated column regenerating unit (LDL continuous apheresis).
    Author: Mabuchi H, Michishita I, Takeda M, Fujita H, Koizumi J, Takeda R, Takada S, Oonishi M.
    Journal: Atherosclerosis; 1987 Nov; 68(1-2):19-25. PubMed ID: 2446636.
    Abstract:
    We describe a new low density lipoprotein (LDL) apheresis system using dextran sulfate cellulose column in an automated column regenerating unit (LDL continuous apheresis). Two columns containing 150 ml of dextran sulfate cellulose were used, and the whole extracorporeal circulation was about 400 ml in volume. After 600 ml of plasma was adsorbed into the first column, the second column was used as an adsorbent and meanwhile the first column was regenerated. Thus, the 2 columns were used alternately without losing the potency of the columns. As the apparatus was automatically controlled by a computerized unit, no extra manipulation is necessary compared with the conventional single-column method. By treating 4-5 liters of plasma, non-high density lipoprotein (HDL)-cholesterol levels decreased by 63-71%, and HDL-cholesterol levels remained unchanged. Thus, this new method of LDL apheresis can safely reduce LDL-cholesterol to any desired level and will be applicable for the treatment of child and adult family hypercholesterolemic patients with severe coronary heart disease.
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