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Development and Validation of a Laparoscopic Simulation Model for Suturing the Vaginal Cuff
Cara R King1, Nicole Donnellan, Richard Guido
1University of Wisconsin Madison Hospital and Clinics, Madison, Wisconsin; and Magee-Womens Hospital, University of Pittsburgh Medical Center, and Magee-Womens Research Institute, Pittsburgh, Pennsylvania.
Obstetrics and Gynecology
|September 17, 2015
Summary
A new surgical simulation model effectively trains laparoscopic vaginal cuff suturing. Novice surgeons can practice skills to achieve competence before operating, with advanced novices performing similarly to experts.
Area of Science:
- Surgical Education
- Medical Simulation
- Gynecologic Surgery
Background:
- Laparoscopic suturing of the vaginal cuff is a critical skill in gynecologic surgery.
- There is a need for effective training and assessment tools for this procedure.
Purpose of the Study:
- To develop a novel surgical simulation model for laparoscopic vaginal cuff suturing.
- To validate the model as a training and assessment tool for surgical skills.
Main Methods:
- Model construction using readily available materials (corduroy, quilt batting, neoprene).
- Construct validity assessed by comparing expert and novice performance using the Global Operative Assessment of Laparoscopic Skills (GOALS) scale, modified to 40 points.
- Novice surgeons (postgraduate year [PGY]-2 to PGY-7) and expert gynecologic surgeons participated.
Main Results:
- Over 90% of participants found the model realistic.
- Advanced novices (PGY-5 to PGY-7) demonstrated performance comparable to experts.
- Early novices (PGY-2 to PGY-4) showed significantly longer operation times and lower scores compared to experts (P<.01).
- Prior surgical experience strongly correlated with total scores (ρ=0.68).
- The minimum passing score was determined to be 32 out of 40.
Conclusions:
- The developed laparoscopic surgical simulation model is a valid tool for training vaginal cuff suturing.
- It enables novice surgeons to practice and achieve competence in laparoscopic suturing before clinical application.
- The model serves as an effective assessment tool for surgical skills in this domain.
