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Activation of coagulation and platelets by candidate membranes of implantable devices in a whole blood model without soluble anticoagulant

Authors

  • A. Sokolov,

    Corresponding author
    1. Department of Immunology, University of Oslo and Oslo University Hospital Rikshospitalet, P.O. 4950, Nydalen 0424 Oslo, Norway
    • Institute of Immunology, University of Oslo and Oslo University Hospital Rikshospitalet, P.O. 4950, Nydalen 0424 Oslo, Norway
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  • B. C. Hellerud,

    1. Department of Immunology, University of Oslo and Oslo University Hospital Rikshospitalet, P.O. 4950, Nydalen 0424 Oslo, Norway
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  • T. I. Tønnessen,

    1. Department of Emergencies and Critical Care Medicine, Oslo University Hospital Rikshospitalet and University of Oslo, P.O. 4950, Nydalen 0424 Oslo, Norway
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  • E. A. Johannessen,

    1. Department of Micro- and Nanosystems Technology, Vestfold University College, P.O. Box 2243, N-3103, Tønsberg, Norway
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  • T. E. Mollnes

    1. Department of Immunology, University of Oslo and Oslo University Hospital Rikshospitalet, P.O. 4950, Nydalen 0424 Oslo, Norway
    2. Research Laboratory, Somatic Research Centre, Nordland Hospital, Bodø, and University of Tromsø, Norway
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  • How to cite this article: Sokolov A, Hellerud BC, Tønnessen TI, Johannessen EA, Mollnes TE. 2013. Activation of coagulation and platelets by candidate membranes of implantable devices in a whole blood model without soluble anticoagulant. J Biomed Mater Res Part A 2013:101A:575–581.

Abstract

Implantable devices are challenged with thrombus formation at their biomaterial interface. Thus the importance of identifying compatible biomaterials that will help to improve the performance of these devices are becoming increasingly paramount. The aim of this study was to evaluate the activation of coagulation and platelets by candidate membranes considered for use in implantable devices on the basis of an adapted whole blood model without soluble anticoagulants. Evaluated materials were incubated with whole blood without soluble anticoagulant in wells coated with heparin. Prothrombin fragment 1+2 (PTF 1+2), thrombin-antithrombin complex (TAT), and β-thromboglobulin (BTG) were analyzed in plasma samples using enzyme immunoassays. The C5 inhibitor eculizumab was used to evaluate the role of complement. Incubation of two of the polyamide membranes PAR and PATF led to an increase in concentration of PTF 1+2 and TAT (p < 0.01 for PAR, ns for PATF). The BTG concentration was significantly increased for five materials [PAR, PATF, polycarbonate (PC), and two polyarylethersulphone membranes PAES-1 and PAES-2]. Complement inhibition had no effect on coagulation or platelet activation induced by PAR and PATF. In conclusion, PAR and PATF were not compatible with blood and should be avoided for use in implantable devices. © 2012 Wiley Periodicals, Inc. J Biomed Mater Res Part A, 2013.

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