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Related Experiment Videos

Early experience with robotically assisted internal thoracic artery harvest.

W Douglas Boyd1, Bob Kiaii, Kojiro Kodera

  • 1London Health Sciences Center, Ontario, Canada. boyd@robosurgeon.com

Surgical Laparoscopy, Endoscopy & Percutaneous Techniques
|May 15, 2002
PubMed
Summary
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Robotic assistance enables safe endoscopic harvesting of internal thoracic arteries (ITAs). This minimally invasive technique using computer-enhanced systems and a harmonic scalpel achieved good graft patency with minimal manipulation.

Area of Science:

  • Cardiovascular Surgery
  • Minimally Invasive Surgery
  • Robotic Surgery

Background:

  • Endoscopic harvesting of internal thoracic arteries (ITAs) is a key component of minimally invasive cardiac surgery.
  • Traditional methods can be limited by visualization and manipulation challenges.

Purpose of the Study:

  • To evaluate the efficacy and safety of robotic assistance for endoscopic ITA harvesting.
  • To demonstrate a technique for complete pedicle dissection through small ports.

Main Methods:

  • A total of 104 patients underwent endoscopic ITA harvesting using AESOP 3000 and Zeus robotic systems.
  • A harmonic scalpel was used for dissection through three 5-mm ports with CO2 insufflation.
  • The left lung was collapsed during the procedure.

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Main Results:

  • Average ITA harvest time was 61.3 minutes.
  • Intraoperative graft flows averaged 36.3 mL/min.
  • Three distal ITA injuries occurred; all other vessels were patent post-harvesting.

Conclusions:

  • Robotic assistance facilitates safe and effective totally endoscopic ITA harvesting.
  • This technique allows complete dissection with minimal ITA manipulation and good graft patency.
  • CO2 insufflation was well-tolerated hemodynamically.