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Related Experiment Videos

Greenfield vena caval filter: rationale and current indications.

T K Jones, R W Barnes, L J Greenfield

    The Annals of Thoracic Surgery
    |December 1, 1986
    PubMed
    Summary

    When anticoagulation fails for deep venous thrombosis or pulmonary embolism, a Greenfield filter is a crucial intervention. This device offers protection against lethal pulmonary embolism when other treatments are contraindicated or ineffective.

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    Area of Science:

    • Vascular Surgery
    • Cardiology
    • Thromboembolic Disease Management

    Background:

    • Deep venous thrombosis (DVT) and pulmonary embolism (PE) are serious conditions.
    • Anticoagulation is the primary treatment for thromboembolic disease.
    • Anticoagulation may be contraindicated, fail, or provide inadequate protection in specific patient groups.

    Purpose of the Study:

    • To review the natural history of patients with DVT or PE.
    • To explain the indications for Greenfield filter placement.
    • To detail the optimal timing for Greenfield filter insertion.

    Main Methods:

    • Review of available information on patient natural history.
    • Analysis of indications for Greenfield filter placement.
    • Explanation of timing considerations for Greenfield filter insertion.

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    Main Results:

    • Greenfield filters are indicated when anticoagulation is insufficient or contraindicated.
    • Filter placement is considered for patients at high risk of PE.
    • Previous mechanical attempts failure necessitates consideration of Greenfield filters.

    Conclusions:

    • Greenfield filter placement is a viable option for preventing lethal PE in select patients.
    • Careful patient selection and timing are crucial for effective Greenfield filter use.
    • The review provides guidance on managing complex thromboembolic cases with filter intervention.