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Single-port Non-liposuction Endoscopic Axillary Lymph Node Dissection in Breast Cancer Surgery
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Experimental model as training tool in endoscopic axillary dissection.

María Eugenia Aponte-Rueda1, Ramón A Saade-Cárdenas, Salvador Navarrete-Aulestia

  • 1Endoscopic Surgery Unit, Service of Surgery, 2, Caracas University Hospital, University City, Caracas, Venezuela. maruaponte@gmail.com

Minimally Invasive Therapy & Allied Technologies : MITAT : Official Journal of the Society for Minimally Invasive Therapy
|February 18, 2010
PubMed
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Endoscopic axillary dissection: a systematic review of the literature.

Breast (Edinburgh, Scotland)·2009

This study developed a porcine model for training endoscopic axillary lymphatic dissection. The model facilitates skill acquisition for this viable surgical technique, addressing a key barrier to its adoption.

Area of Science:

  • Surgical Innovation
  • Laparoscopic Techniques
  • Animal Models in Surgery

Background:

  • Endoscopic axillary lymphatic dissection is a recognized surgical approach.
  • Limited enthusiasm for this technique stems partly from the absence of effective training models.
  • Developing practical skills is crucial for broader adoption.

Purpose of the Study:

  • To create a novel training tool for endoscopic axillary dissection.
  • To assess the feasibility and applicability of this tool using a porcine model.
  • To establish a reproducible laboratory setting for surgical skill development.

Main Methods:

  • Twenty endoscopic axillary dissections were performed on ten pigs (4-6 months old).
  • Procedures utilized blunt dissection and carbon dioxide (CO2) insufflation.

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  • Surgical workflow was segmented into distinct operative phases for temporal analysis.

    • Main Results:

    • The mean dissection time averaged 26 ± 7 minutes.
    • Complete visualization of axillary contents was achieved in 85% of dissections.
    • Intraoperative complications occurred in 10% of procedures, with residual tissue removal in 15%.

    Conclusions:

    • A validated porcine model for endoscopic axillary dissection training has been established.
    • This model provides a practical platform for acquiring advanced laparoscopic skills.
    • The developed methodology may extend to training for other endoscopic axillary procedures.