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Resectoscopic myoma vaporizer

P G Brooks1

  • 1Department of Obstetrics and Gynecology, University of California at Los Angeles School of Medicine, USA.

The Journal of Reproductive Medicine
|November 1, 1995
PubMed
Summary
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A novel resectoscopic electrode effectively vaporizes intrauterine myomata, reducing procedure time and complications. This new grooved electrode design offers a safer and more efficient method for myoma removal.

Area of Science:

  • Gynecology
  • Minimally Invasive Surgery
  • Urogynecology

Background:

  • Intrauterine myomata, particularly large submucous types, can cause significant menorrhagia and procedural challenges.
  • Current resectoscopic techniques for myoma removal can be time-consuming and associated with complications like "chip" formation and intravasation.

Purpose of the Study:

  • To evaluate a new resectoscopic electrode designed for the vaporization of large intrauterine myomata.
  • To determine the optimal power settings for effective myoma vaporization using the new electrode.

Main Methods:

  • The study involved 12 patients undergoing operative hysteroscopy for symptomatic submucous myomata.
  • A new grooved ball or grooved cylinder electrode was used to vaporize myomata using electrical energy with a cutting waveform.

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  • Power settings ranging from 110-200 W were tested to identify the lowest effective power.

    • Main Results:

    • Vaporization of myomata was readily achieved with the new electrode.
    • An optimal setting of 200 W with a pure cutting waveform was identified for effective vaporization.

    Conclusions:

    • The new grooved electrode design is effective for vaporizing portions of intrauterine myomata, facilitating their removal.
    • Advantages include reduced procedure time, fewer "chips" interfering with the procedure, and potentially less intraoperative bleeding and intravasation.