Immunological effects of therapeutic immunoadsorption with respect to biocompatibility

The activation of the complement system leading to generation of anaphylatoxins and the membrane attack complex depends on the chemical nature of the adsorptive system and the anticoagulation used. The method of the primary separation determines the presence of cell debris in the plasma as well as t...

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Bibliographic Details
Published in:	Transfusion science Vol. 19 Suppl; p. 9
Main Authors:	Kadar, J G, Parusel, M, Spaeth, P J
Format:	Journal Article
Language:	English
Published:	England 01-03-1998
Subjects:	Biocompatible Materials Cell Separation - instrumentation Complement Activation Humans Immunosorbent Techniques Plasma Exchange
Online Access:	Get full text
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Summary:	The activation of the complement system leading to generation of anaphylatoxins and the membrane attack complex depends on the chemical nature of the adsorptive system and the anticoagulation used. The method of the primary separation determines the presence of cell debris in the plasma as well as the extent of platelet activation. The particular role of anticoagulation and its properties to prevent/reduce complement activation on immunadsorption material is discussed and the combined use of citrate and heparin is proposed. The quality of the reinfused plasma--as discussed on the example of LDL-apheresis--is therefore influenced by the amount of the activated split products. This determines finally the extent of cellular activation during therapeutic immunadsorption when receptor-dependent activation of cells by C3a(desarg) and C5a(desarg) can occur.
ISSN:	0955-3886