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Updated: Mar 9, 2026

Application of a New Mesh Fixation Method in Laparoscopic Incisional Hernia Repair
Published on: December 23, 2022
Do errors and critical events relate to hernia repair outcomes?
Katherine Law Forsyth1, Shannon M DiMarco2, Caitlin G Jenewein2
1University of Wisconsin-Madison, School of Engineering, Department of Industrial and Systems Engineering, 3214 Mechanical Engineering Building, 1513 University Avenue, Madison, WI, 53706, USA.
A new checklist effectively assesses errors in simulated laparoscopic ventral hernia repair. Junior residents' errors correlated with poorer hernia repair quality, validating the tool for surgical training assessment.
Area of Science:
- Surgical Education
- Medical Simulation
- Procedure Assessment
Background:
- Laparoscopic ventral hernia repair is a complex procedure.
- Assessing surgical errors in training is crucial for patient safety.
- A validated tool is needed to evaluate performance in simulated environments.
Purpose of the Study:
- To validate a human error checklist for simulated laparoscopic ventral hernia (LVH) repair.
- To determine if resident errors correlate with procedural outcomes.
Main Methods:
- Video analysis of senior residents' LVH simulator performance using an error checklist.
- Evaluation of junior residents' performance on LVH simulation steps using the checklist and repair quality scores.
Main Results:
- No significant difference in checklist errors between senior and junior residents.
- Junior residents' errors showed a significant correlation with hernia repair quality (p=0.05).
Conclusions:
- The developed error checklist provides validity evidence for assessing performance in simulated LVH repair.
- The tool effectively correlates surgical errors with repair quality, supporting its use in surgical training.
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