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Related Experiment Videos

Preoperative or postoperative deep-vein thrombosis?

R V Heatley, L E Hughes, A Morgan

    Lancet (London, England)
    |February 28, 1976
    PubMed
    Summary

    Deep vein thrombosis (DVT) occurred in 32% of high-risk surgical patients before their operation. Malignant disease and intravenous nutrition increased DVT risk, necessitating early prophylactic measures upon hospital admission.

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    Area of Science:

    • Vascular Surgery
    • Thrombosis Research
    • Medical Diagnostics

    Background:

    • Deep vein thrombosis (DVT) is a significant complication in hospitalized patients.
    • Identifying pre-operative thrombosis is crucial for effective prophylaxis and trial interpretation.

    Purpose of the Study:

    • To determine the incidence of pre-operative deep vein thrombosis in high-risk surgical patients.
    • To identify patient subgroups particularly susceptible to DVT.
    • To highlight implications for prophylaxis strategies.

    Main Methods:

    • Utilized the 125I-fibrinogen uptake test for DVT detection.
    • Confirmed positive findings with phlebography.
    • Analyzed a cohort of high-risk surgical patients admitted >4 days pre-operation.

    Main Results:

    • A 32% incidence of DVT was observed in the high-risk group.
    • 62% of these DVTs were established prior to surgery.
    • Patients with malignancy and those on preoperative intravenous nutrition showed higher susceptibility.

    Conclusions:

    • Asymptomatic pre-operative DVT is common in high-risk surgical patients.
    • Early suspicion and prophylaxis initiation upon admission are vital.
    • Findings impact the design and interpretation of DVT prophylaxis clinical trials.

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