Validation of a Simulation Model for Robotic Sacrocolpopexy

Area of Science:

• Urology
• Gynecology
• Surgical Simulation

Background:

• Robotic sacrocolpopexy (RSCP) is a complex procedure requiring specialized training.
• Existing simulation models may not adequately replicate the critical steps of RSCP.

Purpose of the Study:

• To validate a novel, multistep simulation model for robotic sacrocolpopexy (RSCP).
• To assess the model's construct validity, interrater reliability, and face validity for surgical training.

Main Methods:

• A multistep RSCP simulation model was developed.
• Female pelvic medicine and reconstructive surgery (FPMRS) experts and fellows performed procedures on the model.
• Performance was assessed using the Global Evaluative Assessment of Robotic Skills (GEARS) by blinded reviewers.
• Construct validity was determined by comparing expert vs. trainee performance.
• Interrater reliability and face validity were assessed via statistical analysis and questionnaires.

Main Results:

• Experts demonstrated significantly higher GEARS scores compared to trainees.
• High interrater reliability (ICC 0.96-0.99) was observed among reviewers.
• Participants reported the model closely approximated live surgery and was valuable for learning.

Conclusions:

• The developed RSCP simulation model possesses construct validity and high interrater reliability.
• The model also demonstrated strong face validity, indicating its suitability for training.
• This simulation tool can be effectively used for surgical training and assessment of key RSCP skill steps.