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- W2474098432 abstract "Haemoperfusion was introduced in the treatment of intoxications with Amanita phalloides in 1974. Haemoperfusion over active charcoal is used most frequently. The objective of the present study was to compare the sorption capacity of Czech haemoperfusion sorbents of the charcoal and resin type for amatoxins extracted from dried Amanita phalloides.Haemoperfusion sorbents on the basis of charcoal-Chemviron SC XII and on the basis of synthetic resin--Amberlite XAD 2 were used in experiments in vitro. Recirculation of an aqueous extract of Amanita phalloides over a haemoperfusion column with a volume of 400 ml located in a closed system took 4 hours. Amanitin levels (alpha and beta) were assessed by HPLC. Two-hour perfusion over Amberlite XAD led to removal of the entire amount of both amanitins from the aqueous solution. Four-hour perfusion over charcoal, however, reduced the original alpha amanitin level by 24% (p < 0.05) and of beta amanitin by 8% (change not significant). Extraction of alpha and beta amanitin by the resin sorbent varied between 0.95-1.00. The type of charcoal used, produced from the shells of coconuts, had a low extraction activity, cca 12%.The assembled results provide evidence that the synthetic resin Amberlite XAD 2 has a more than ten times greater sorption capacity, as compared with charcoal (Chemviron SC XII) and that in experiments in vitro it removes rapidly and effectively alpha and beta amanitin from an aqueous solution. Although during sorption of mycotoxins from plasma or blood the sorption rate and total capacity declines amberlite resins (Czech haemoperfusion column Hemabsorb A2) can be recommended for use in clinical toxicology." @default.
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- W2474098432 date "1994-03-21" @default.
- W2474098432 modified "2023-09-25" @default.
- W2474098432 title "[The sorption effectiveness of Czech-manufactured hemoperfusion sorbents for amatoxins]." @default.
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