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A batch method for estimating thrombin clottable fibrinogen.

G W Farrell, P Wolf

    Journal of Clinical Pathology
    |October 1, 1973
    PubMed
    Summary
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    A new method accurately estimates thrombin clottable fibrinogen in plasma samples by measuring optical density changes. This technique simplifies and improves upon existing methods for analyzing fibrinogen levels.

    Area of Science:

    • Biochemistry
    • Clinical Chemistry
    • Hematology

    Background:

    • Accurate quantification of fibrinogen is crucial for assessing coagulation disorders.
    • Existing methods for measuring thrombin clottable fibrinogen can be complex and less accurate for certain clot types.

    Purpose of the Study:

    • To describe a novel, simpler, and more accurate method for estimating thrombin clottable fibrinogen in numerous plasma samples.
    • To compare the proposed method with established techniques for fibrinogen measurement.

    Main Methods:

    • The method involves measuring the optical density difference between diluted plasma and its corresponding serum after incubation.
    • Incubation conditions include 59°C and 10% NaCl.
    • The technique was compared against established methods, including those by Thorp (1967), Millar et al. (1971), and Burmester et al. (1970).

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    Main Results:

    • The proposed method demonstrated excellent correlation with existing thrombin clottable fibrinogen assays.
    • It proved easier to perform and more accurate, particularly for friable thrombin clots.
    • Comparisons validated its performance against other established assays.

    Conclusions:

    • The described method offers a more accessible and accurate approach to quantifying thrombin clottable fibrinogen.
    • The technique shows potential for automation, facilitating high-throughput analysis.
    • This method could enhance the clinical assessment of fibrinogen levels and related hemostatic function.