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Procedural surgical skill assessment in laparoscopic training environments.
Munenori Uemura1, Pierre Jannin2,3, Makoto Yamashita4
1Department of Advanced Medical Initiatives, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-ku, Fukuoka, 812-8582, Japan. munenori@dem.med.kyushu-u.ac.jp.
Summary
Expert surgeons exhibit distinct laparoscopic surgical processes compared to novices. Surgical process modeling effectively highlights these differences, aiding in surgical education and training.
Area of Science:
- Surgical Process Modeling
- Laparoscopic Surgery Training
- Surgical Skill Analysis
Background:
- Laparoscopic surgery demands specialized skills.
- Distinguishing expert from novice surgical techniques is crucial for effective training.
- Objective analysis of surgical processes can enhance educational methodologies.
Purpose of the Study:
- To delineate specific differences in laparoscopic surgical procedures between expert and novice surgeons.
- To validate surgical process modeling as a tool for detailed surgical analysis.
- To identify key performance indicators for laparoscopic surgical proficiency.
Main Methods:
- Compared 11 expert surgeons with 10 junior surgeons and 5 medical students performing a standardized laparoscopic skill assessment task.
- Monitored instrument motion using video capture and analyzed workflow by labeling predefined surgical activities.
- Quantified activities by occurrences, average, total, minimal, and maximal duration, and occupancy percentage.
Main Results:
- Identified 63 possible surgical activities; significant differences were found in 12 activities between expert and novice groups.
- Expert surgeons demonstrated fewer occurrences and shorter durations in left-hand activities compared to novices.
- Surgical process modeling revealed quantifiable distinctions in task execution.
Conclusions:
- Distinct differences in surgical processes exist between expert and novice surgeons in laparoscopic simulation.
- The proposed surgical process modeling method is valuable for laparoscopic surgery education and training.
- Objective analysis of surgical workflows can inform curriculum development and skill assessment.
