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Related Experiment Videos

Hypercoagulability in patients with peripheral vascular disease.

G J Collins, R L Heymann, R Zajtchuk

    American Journal of Surgery
    |July 11, 1975
    PubMed
    Summary

    Hypercoagulability in peripheral vascular disease patients was assessed using thrombin generation index, antithrombin III, and activated partial thromboplastin time. These tests identified patients at high risk for thrombotic complications, aiding in anticoagulant therapy decisions.

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    Area of Science:

    • Vascular Surgery
    • Hematology
    • Thrombosis Research

    Background:

    • Peripheral vascular disease (PVD) is associated with an increased risk of thrombotic events.
    • Assessing hypercoagulability is crucial for managing patients undergoing vascular surgery.
    • Current diagnostic methods for hypercoagulability in PVD require further validation.

    Purpose of the Study:

    • To evaluate the reliability of specific hemostatic markers in detecting hypercoagulability in PVD patients.
    • To determine if these markers can predict operative complications in patients undergoing vascular reconstructive procedures.

    Main Methods:

    • Twenty-seven patients with peripheral vascular disease were studied.
    • Evaluated parameters included thrombin generation index, antithrombin III values, factor VIII values, platelet adhesivity, and activated partial thromboplastin time.

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  • Patients were grouped based on the presence or absence of operative complications.

    • Main Results:

    • Thrombin generation index, antithrombin III values, and activated partial thromboplastin time reliably indicated hypercoagulability.
    • Patients with operative complications exhibited higher thrombin generation index and lower antithrombin III and activated partial thromboplastin time values compared to those without complications.
    • Factor VIII values and platelet adhesivity showed less reliability in confirming hypercoagulability.

    Conclusions:

    • Thrombin generation index, antithrombin III, and activated partial thromboplastin time are valuable for identifying hypercoagulability in PVD.
    • These tests may help select high-risk patients for anticoagulant management to prevent thrombotic complications during vascular surgery.
    • Further research could refine the use of these markers in personalized anticoagulant strategies for vascular surgery patients.