A batch method for estimating thrombin clottable fibrinogen

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).

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.