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Endovascular diathermic vessel occlusion

A H Cragg, C A Galliani, J A Rysavy

    Radiology
    |July 1, 1982
    PubMed
    Summary
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    Endovascular diathermic vessel occlusion (EDVO) is a feasible technique for venous occlusion in canines. This safe method shows promise for clinical applications like spermatic vein occlusion.

    Area of Science:

    • Vascular Surgery
    • Medical Devices
    • Endovascular Techniques

    Background:

    • Therapeutic vascular occlusion is crucial for various medical conditions.
    • Existing methods may have limitations in safety or efficacy.
    • Endovascular approaches offer minimally invasive alternatives.

    Purpose of the Study:

    • To demonstrate the feasibility of endovascular diathermic vessel occlusion (EDVO) in a canine model.
    • To standardize the EDVO technique for reproducible results.
    • To evaluate the safety and potential clinical applications of EDVO.

    Main Methods:

    • Standardization of EDVO by measuring current flow through a monopolar intravascular electrode.
    • Application of electrical currents ranging from 150 to 350 mA.

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  • Utilized a novel spider-shaped intravascular electrode design.
  • Assessed for venous occlusion and perivascular tissue damage.

    • Main Results:

    • Successful venous occlusion was achieved in the canine subjects.
    • The EDVO technique was effectively standardized using the described parameters.
    • No significant perivascular damage was observed with the applied currents and electrode design.
    • The spider-shaped electrode facilitated effective occlusion.

    Conclusions:

    • Endovascular diathermic vessel occlusion (EDVO) is a feasible and safe technique in canines.
    • Further instrumentation refinements could enhance EDVO's clinical applicability.
    • EDVO presents a promising, rapid, and safe method for therapeutic vascular occlusion.
    • Potential future clinical use includes spermatic vein occlusion.