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Lariat knot: simple tying technique for robotic and endoscopic sutures
Norihiko Ishikawa1, Go Watanabe2, Daiki Yoshiyama2
1Department of Cardiovascular Surgery, NewHeart Watanabe Institute, 3-19-11 Hamadayama, Suginami, Tokyo, 168-0065, Japan. iskwnrhk@gmail.com.
Journal of Robotic Surgery
|May 31, 2025
Summary
The Lariat knot is a new surgical technique for minimally invasive cardiac surgery that securely closes atrial orifices, preventing bleeding. This simple method is effective in robotic and endoscopic procedures.
Area of Science:
- Cardiovascular Surgery
- Surgical Innovation
- Minimally Invasive Techniques
Background:
- Minimally invasive cardiac surgeries (MICS) require secure closure of atrial orifices to prevent postoperative bleeding.
- Current ligation techniques may be complex or require extracorporeal methods.
Discussion:
- The Lariat knot offers a simple, secure, and effective initial ligation technique for atrial orifices.
- It is adaptable for use with endoscopic or robotic forceps, facilitating closure of the left atrium and securing ventricular vent tubes.
- This method avoids the need for extracorporeal ligation, streamlining procedures.
Key Insights:
- The Lariat knot ensures stable and secure ligation, significantly reducing the risk of postoperative bleeding.
- Its straightforward application in robotic and endoscopic MICS makes it a valuable surgical tool.
- The technique can be combined with other methods for enhanced knot stability.
Outlook:
- The Lariat knot represents a valuable addition to the armamentarium of minimally invasive cardiac surgical techniques.
- Further adoption may lead to improved patient outcomes by minimizing bleeding complications.
- Its versatility suggests potential applications in other surgical fields requiring secure ligation.
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