Biochemical and Clinical Evaluation of a New Cellulose Diacetate Secondary Filter for Cascade Filtration
1985
We have performed 24 cascade filtration treatments in 8 patients with hyperviscosity syndrome (2 cases), essential mixed cryoglobulinemia, post-hepatitic cryoglobulinemia, Sjogrens disease, rheumatoid vasculitis, Miller-Fisher syndrome and chronic dysimmune polyneuropathy. New cellulose diacetate filters were employed, giving a satisfactory performance. At 1.5 L plasma treatment, the rejection rate for macromolecular plasma components was close to 90%, whereas albumin recovery was close to 70%. Treatments were clinically effective, confirming that cascade filtration is an alternative to conventional plasma exchange in patients with IgM or immune complex mediated diseases.
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