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[Preeclampsia and thrombin generation test].

V Lattová, M Procházka, J Procházková

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    Pregnant women with preeclampsia show significantly higher thrombin generation, indicating increased coagulation activation. This finding highlights potential diagnostic markers but is not predictive in early pregnancy.

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    Area of Science:

    • Obstetrics and Gynecology
    • Hematology
    • Thrombosis Research

    Background:

    • Impaired coagulation poses risks during pregnancy, necessitating predictive markers for conditions like preeclampsia.
    • Preeclampsia is associated with thrombotic risk factors, potentially increasing thrombin generation.

    Purpose of the Study:

    • To acquire data for predicting diseases linked to impaired coagulation in obstetrics and gynecology.
    • To identify effective preventive measures for serious pregnancy complications.
    • To compare thrombin generation in pregnant women with and without preeclampsia or hypertension.

    Main Methods:

    • Prospective study involving blood sampling in early, mid, and late pregnancy.
    • Analysis of coagulation factors (Protein C, S, antithrombin, FVIII, FII, etc.) and thrombin generation.
    • Utilized standardized methodologies and automated analysis for thrombin generation tests.

    Main Results:

    • Significant differences in thrombin generation (Lag time, ETP, peak) were observed in the third trimester between women with preeclampsia and those with normal pregnancies (p < 0.01).
    • No statistically significant differences in coagulation parameters were found in the first or second trimester for women who later developed preeclampsia.
    • Pregnant women with chronic hypertension showed a slight, but not statistically significant, increase in thrombin activation.

    Conclusions:

    • Preeclampsia is characterized by significantly higher thrombin generation in the third trimester, suggesting activated coagulation.
    • These coagulation changes may partially explain the efficacy of aspirin in preeclampsia management.
    • Coagulation screening in early pregnancy is not predictive but may serve as a diagnostic tool for preeclampsia.