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Related Experiment Video

Updated: Feb 18, 2026

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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Vessel occlusion with transcatheter electrocoagulation

W M Thompson, I S Johnsrude

    Cardiovascular and Interventional Radiology
    |January 1, 1980
    PubMed
    Summary
    This summary is machine-generated.

    Transcatheter intravascular electrocoagulation offers a minimally invasive method for vessel occlusion. This technique achieves permanent vessel blockage with low risk, though anode placement and occlusion time require further refinement.

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    Area of Science:

    • Vascular Surgery
    • Interventional Radiology
    • Biomedical Engineering

    Background:

    • Vessel occlusion is crucial for various therapeutic interventions.
    • Existing methods for vessel occlusion have limitations, including risks of embolization and damage.
    • Transcatheter intravascular electrocoagulation (TIVEC) presents a novel approach.

    Purpose of the Study:

    • To evaluate the clinical efficacy and safety of TIVEC for therapeutic vessel occlusion.
    • To compare TIVEC with conventional vessel occlusion techniques.
    • To identify limitations and areas for improvement in TIVEC technology.

    Main Methods:

    • TIVEC utilizes a constant current power source and a steel guide wire anode.
    • Subjects are grounded using a bovie plate insulated by a lubricated sponge.
    • The procedure aims for precise, permanent occlusion of targeted vessels.

    Main Results:

    • Successful clinical application of TIVEC for permanent vessel occlusion.
    • Achieved occlusion with minimal risk of non-target embolization and minimal vessel wall damage.
    • Complete occlusion was possible even in patients on anticoagulation or with thrombocytopenia.
    • Limitations include inconsistent anode positioning and prolonged occlusion times for larger vessels.

    Conclusions:

    • TIVEC is a safe and effective alternative for therapeutic vessel occlusion.
    • Further development of anode material and delivery systems is needed for wider clinical adoption.
    • TIVEC shows promise for precise, minimally invasive vascular interventions.