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Updated: Jul 12, 2026

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Robotic Hepatectomy Using the Hugo RAS System: Initial Experience and Technical Considerations.

Katsunori Sakamoto1, Hiroto Nishino1, Tomoaki Yoh1

  • 1Division of Hepato-Biliary-Pancreatic Surgery and Transplantation, Department of Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan.

Asian Journal of Endoscopic Surgery
|July 10, 2026
PubMed
Summary

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The Hugo robotic-assisted surgery (RAS) system shows promise for robotic hepatectomy. Initial outcomes suggest it is a safe and feasible option for minor liver resections.

Area of Science:

  • Hepatobiliary Surgery
  • Minimally Invasive Surgery
  • Robotic Surgery

Background:

  • Robotic hepatectomy is emerging, but clinical data is scarce.
  • The Hugo robotic-assisted surgery (RAS) system is a new platform for these procedures.

Purpose of the Study:

  • To evaluate the initial clinical experience with the Hugo RAS system for hepatectomy.
  • To assess surgical techniques and short-term outcomes of robotic minor hepatectomy.

Main Methods:

  • Retrospective case series of five patients undergoing robotic hepatectomy using the Hugo RAS system.
  • Focus on operative time, console time, blood loss, complications, and postoperative stay.

Main Results:

  • All five procedures were completed robotically without conversion.
Keywords:
Hugo RAS systemclamp‐crushpartial liver resectionrobotic hepatectomy

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  • Median operative time was 175 minutes, median console time was 100 minutes.
  • Minimal blood loss (median 0 mL) and no intraoperative or postoperative complications were observed; median hospital stay was 7 days.

    • Conclusions:

    • Hugo RAS minor hepatectomy is feasible and safe in selected patients.
    • Favorable short-term outcomes were achieved, including for technically demanding liver segments.
    • Further research is warranted to confirm these initial findings.