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Related Experiment Videos

Robotically-assisted coronary artery bypass surgery: moving toward a completely endoscopic procedure.

C T Ducko1, E R Stephenson, S Sankholkar

  • 1Section of Cardiothoracic and Vascular Surgery, The Milton S. Hershey Medical Center, Penn State Geisinger Health System, Hershey, PA 17033, USA.

The Heart Surgery Forum
|March 29, 2001
PubMed
Summary

Robotically-assisted microsurgery enables endoscopic coronary artery bypass grafting (ECABG) in animal models. This minimally invasive technique shows high graft patency and feasibility, paving the way for human clinical trials.

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Area of Science:

  • Minimally invasive cardiac surgery
  • Robotic surgery
  • Vascular surgery

Background:

  • Traditional endoscopic coronary artery bypass grafting (ECABG) techniques have limitations.
  • This study investigates the feasibility of a robotically-assisted microsurgical system for ECABG.

Purpose of the Study:

  • To determine the feasibility of robotically-assisted microsurgical system for performing ECABG in an animal model.

Main Methods:

  • Acute and chronic studies were performed on calves using cardiopulmonary bypass.
  • A robotic system was utilized to create ECABG anastomoses between the left internal mammary artery (LIMA) and the left anterior descending coronary artery.
  • Graft flow was measured, and hearts were analyzed via angiography and histology.

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Main Results:

  • All anastomoses were successfully completed in both acute and chronic studies.
  • 100% angiographic patency was observed in both study groups, confirmed by histology.
  • No significant difference in LIMA graft flow was found between intraoperative and autopsy measurements in the chronic study.

Conclusions:

  • Robotically-assisted ECABG is feasible in an animal model with excellent outcomes.
  • The technology demonstrated high graft patency and successful anastomoses.
  • FDA approval has been granted for clinical trials of this novel ECABG technology.