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Related Experiment Videos

Intraarterial occlusion by radiofrequency

N Tanigawa1, S Sawada, N Morioka

  • 1Department of Radiology, Tottori University Hospital, Japan.

Acta Radiologica (Stockholm, Sweden : 1987)
|November 1, 1994
PubMed
Summary

Radiofrequency energy effectively occludes small arteries. This minimally invasive technique shows promise for treating vessels approximately 2 mm in diameter, demonstrated in animal and clinical studies.

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Area of Science:

  • Interventional Cardiology
  • Vascular Surgery
  • Biomedical Engineering

Background:

  • Arterial occlusion is a critical procedure in various medical interventions.
  • Current methods may have limitations in treating small diameter vessels.
  • Radiofrequency energy offers a potential alternative for precise vascular occlusion.

Purpose of the Study:

  • To evaluate the efficacy and safety of radiofrequency energy for arterial occlusion.
  • To determine the feasibility of this technique in small canine arteries.
  • To assess its potential for clinical application in vessels up to 2 mm in diameter.

Main Methods:

  • Radiofrequency energy was applied using a 10 mm noninsulated guidewire tip for 20 seconds.
  • Experiments were conducted on 17 canine arteries.

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  • A successful clinical application was also performed.

    • Main Results:

    • Complete occlusion was achieved in 4 out of 6 canine arteries smaller than 2.3 mm in diameter.
    • The procedure was performed without any complications in the clinical application.
    • Radiofrequency arterial occlusion is effective for vessels approximately 2 mm in diameter.

    Conclusions:

    • Radiofrequency energy is a viable method for achieving arterial occlusion.
    • The technique is particularly suitable for small vessels, generally less than 2 mm in diameter.
    • Successful clinical application supports its use in interventional procedures.