Virtual Reality Simulation in Teaching Fetoscopic Laser Placental Photocoagulation in Twin-To-Twin Transfusion
Catherine Windrim1,2, Colin Charleson3, David Rojas Gualdron2
1Ontario Fetal Centre, Department of Obstetrics and Gynaecology, Mount Sinai Hospital, Toronto, Canada.
Prenatal Diagnosis
|May 1, 2025
Summary
A new virtual reality (VR) simulator for twin-to-twin transfusion syndrome (TTTS) laser surgery training shows high effectiveness and user engagement. This VR system offers a realistic, portable, and cost-effective alternative to traditional training methods.
Area of Science:
- Medical Simulation
- Surgical Education Technology
- Fetal Medicine
Background:
- Twin-to-twin transfusion syndrome (TTTS) requires specialized surgical training.
- Fetoscopic laser placental photocoagulation is a critical intervention for TTTS.
- Current training methods may lack accessibility, realism, or cost-effectiveness.
Purpose of the Study:
- To develop and validate a novel virtual reality (VR) simulation system.
- The system aims to train fetoscopic laser placental photocoagulation for TTTS.
- To assess the simulator's realism, effectiveness, and user engagement.
Main Methods:
- A VR simulator was developed using Meta Quest headsets and custom hardware.
- The system incorporates realistic anatomical models and progressive training modules.
- Validation involved 31 participants (specialists, fellows, MFM specialists) using a standardized questionnaire.
Main Results:
- The VR simulator demonstrated excellent internal consistency (Cronbach's α = 0.92).
- High validation scores were achieved for training effectiveness (87%) and user engagement (85%).
- Experienced specialists rated environmental realism highly; fellows endorsed training effectiveness strongly.
Conclusions:
- The VR simulator is a significant advancement for TTTS surgical education.
- It provides comprehensive training without needing actual patient practice.
- The system shows feasibility for remote teaching, offering advantages over physical simulators.


