Selective and Semiselective Low-Density Lipoprotein Apheresis in Familial Hypercholesterolemia

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Abstract
Seven patients with familial hypercholesterolemia were treated fortnightly for 3 months by selective low-density lipoprotein apheresis with dextran-sulfate cellulose column (DSC). Subsequently, 4 of them were treated with semiselective double filtration. No cholesterol-lowering drugs were given. Plasma processed ranged from 39 to 58 ml/kg body weight/procedure. Fractional removals from plasma filtrate at the secondary treatment (adsorption or fractionation) for total cholesterol, high-density lipoprotein cholesterol, and albumin, respectively, were 0.84, 0.06, and 0.03 with DSC and 0.74, 0.47 and 0.35 with double filtration. Postapheresis reductions of total cholesterol, high-density lipoprotein cholesterol, and low-density lipoprotein cholesterol were 57,15, and 59% with DSC and 47,35, and 48 % with double filtration. Both methods are suitable for clinical use, but with a 15-day treatment schedule, lowering circulating lipid fraction levels are maintained with DSC.

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