Comparison of learning curve difference of laparoscopist according to controller type of flexible scope during laparoscopic liver resection - Report - MDSpire

Evaluation of Learning Curve Variations Among Laparoscopic Surgeons Based on Flexible Scope Controller Types During Liver Resection

  • By

  • Sunghae Park

  • Namkee Oh

  • Jinsoo Rhu

  • Gyu-Seong Choi

  • Jongman Kim

  • July 20, 2026

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Clinical Report: Evaluation of Learning Curve Variations Among Laparoscopic Surgeons

Overview

This study evaluates the impact of scopist experience and flexible scope controller types on perioperative outcomes during laparoscopic liver resection (LLR). It highlights differences in operative performance and learning curves between expert and novice scopists using either a conventional dual-lever or joystick controller.

Background

Laparoscopic liver resection (LLR) is increasingly recognized as an effective surgical approach. The success of LLR relies on both the surgeon's skill and the technology used, particularly in camera navigation, which can significantly affect surgical outcomes. Understanding the learning curves associated with different controller types is essential for optimizing training and improving surgical performance.

Data Highlights

No numerical data provided in the source material.

Key Findings

  • Expert scopists demonstrated superior perioperative outcomes compared to novice scopists.
  • The type of flexible scope controller (dual-lever vs joystick) influenced the learning curve and operative performance.
  • Major liver resections were associated with different challenges compared to minor resections, impacting the learning curve.
  • Visuospatial ability significantly affects the early learning and performance of laparoscopic camera navigation.

Clinical Implications

Surgeons should consider the type of scope controller when training novice scopists to enhance their learning curve and operative efficiency. Structured training programs that incorporate advanced camera navigation techniques may improve outcomes in laparoscopic liver resections.

Conclusion

The study underscores the importance of both scopist experience and the choice of laparoscope controller in determining the success of laparoscopic liver resections. Further research is needed to optimize training protocols.

Related Resources & Content

  1. Surgical Endoscopy, 2026 -- Comparison of learning curves and cross-over effects using articulating laparoscopic instruments versus standard laparoscopic instruments
  2. Surgical Endoscopy, 2025 -- Evaluation of the Learning Curve in 100 Successive Robotic Liver Resections
  3. Surgical Endoscopy, 2022 -- Assessment of Laparoscopic Proficiency: An Objective Analysis of the Learning Curve
  4. Learning Curves Across Different Phases in Robot-Assisted Rectal Surgery: Insights for Surgical Education, 2025
  5. The Brescia internationally validated European guidelines on minimally invasive liver surgery - PMC, 2025
  6. Laparoscopic Versus Open Hemihepatectomy: The ORANGE II PLUS Multicenter Randomized Controlled Trial, 2024
  7. Validation of the Iwate scoring system for the stratification of laparoscopic liver resections: An international multicenter study - ScienceDirect, 2025
  8. The Brescia internationally validated European guidelines on minimally invasive liver surgery - PMC
  9. Laparoscopic Versus Open Hemihepatectomy: The ORANGE II PLUS Multicenter Randomized Controlled Trial
  10. Validation of the Iwate scoring system for the stratification of laparoscopic liver resections: An international multicenter study - ScienceDirect

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