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Related Experiment Video

Updated: May 6, 2026

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Does complexity compromise outcomes in robotic hepatectomy?

Emrullah Birgin1, Elisabeth Miller2, Nadir Nasir2

  • 1Department of General and Visceral Surgery, Ulm University Hospital, Albert-Einstein-Allee 23, 89081, Ulm, Germany. emrullah.birgin@uniklinik-ulm.de.

Surgical Endoscopy
|December 17, 2025
PubMed
Summary
This summary is machine-generated.

Complex robotic hepatectomies are safe and feasible, even for difficult cases. This study found similar textbook outcomes between high and low complexity robotic resections, with major hepatectomy being a risk factor for morbidity.

Keywords:
DaVinciDifficultyLiver resectionMinimally invasive liver surgeryRobotic surgery

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Area of Science:

  • Minimally Invasive Surgery
  • Surgical Oncology
  • Robotic Surgery

Background:

  • Complex hepatectomies pose challenges in minimally invasive liver surgery.
  • Limited data exists on robotic platform use for technically difficult liver resections.
  • This study evaluates outcomes of robotic hepatectomies based on complexity.

Purpose of the Study:

  • To compare postoperative outcomes of high-complexity (HC) versus low-complexity (LC) robotic hepatectomies.
  • To identify factors associated with severe morbidity in robotic hepatectomy.
  • To assess the safety and feasibility of robotic hepatectomy for complex liver resections.

Main Methods:

  • A prospective database of patients undergoing robotic hepatectomy (2020-2024) was analyzed.
  • Resections were classified as HC or LC using the IWATE difficulty score.
  • Logistic regression was used to explore factors linked to severe morbidity.

Main Results:

  • Of 237 patients, 125 had HC and 112 had LC resections.
  • Postoperative morbidity rates were comparable (CCI 12.3 vs. 7.5, P=0.061).
  • Operating time, blood loss, and severe morbidity were higher in the HC group; major hepatectomy was the sole independent risk factor for severe morbidity (OR 2.670, P=0.048).

Conclusions:

  • Complex robotic hepatectomies are safe and feasible in high-volume centers.
  • High rates of achieving textbook outcomes were observed in both HC and LC groups.
  • Robotic surgery offers a viable option for technically demanding liver resections.