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  • Title: Solute, amino acid, and hormone changes with coated charcoal hemoperfusion in uremia.
    Author: Winchester JF, Ratcliffe JG, Carlyle E, Kennedy AC.
    Journal: Kidney Int; 1978 Jul; 14(1):74-81. PubMed ID: 682427.
    Abstract:
    This investigation assesses the effect of two-hour activated charcoal hemoperfusion using a column containing 300 g of acrylic hydrogel-coated activated charcoal either alone or combined with hemodialysis on small and "middle molecule" removal in uremic patients. Comparison was made with standard five-hour hemodialysis. Two patients with dialysis encephalopathy were treated with four-hour combined hemoperfusion/hemodialysis without beneficial clinical effects. Hemoperfusion increased the clearance rates of creatinine and urate when combined with dialysis. Hemoperfusion alone removed 1.3 +/- 0.6 g (mean +/- SD) of creatinine and 0.6 +/- 0.2 g of urate, while combined hemoperfusion/hemodialysis removed 1.7 +/- 0.6 g of creatinine and 1.0 +/- 0.5 g of urate in a two-hour period. Both treatment schedules removed less solute than standard five-hour hemodialysis but were associated with comparable "middle molecule" removal. Hemoperfusion accounted for additional amino acid removal when combined with hemodialysis, while hemoperfusion alone produced significant reduction only in the amino acid cystine. Changes in the hormones thyroxine, triiodothyronine, human growth hormone, and insulin were noted during the procedures. Acceptable falls in platelet counts and fibrinogen occurred with hemoperfusion. Coated charcoal hemoperfusion may prove to have a role in the management of uremic patients, although the acrylic hydrogel-coated charcoal hemoperfusion device requires combination with techniques allowing fluid and electrolyte removal.
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