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Published on: October 12, 2012

Measurement of heparin in patients receiving subcutaneous heparin therapy

K W Denson, J Bonnar

    British Journal of Haematology
    |June 1, 1975
    PubMed

    Heparin assays based on four different tests of clotting function have been compared with a heparin assay utilizing the potentiating effect of heparin on anti-factor Xa in a group of patients receiving subcutaneous heparin therapy during late pregnancy. It is considered that the anti-factor Xa method is a better indication of the antithrombotic effect of heparin. In the presence of high levels of clotting factors, heparin assays based on tests of clotting function can be misleading.

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