Validation of Open Inguinal Hernia Repair Simulation Model A Randomised Controlled Educational Trial...
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Transcript of Validation of Open Inguinal Hernia Repair Simulation Model A Randomised Controlled Educational Trial...
Validation of Open Inguinal Hernia Repair Simulation Model A Randomised Controlled Educational Trial
Khatib M, Hald N, Brenton H, Sarker S, Standfield N, Ziprin P, Kneebone R, Bello F
Imperial College London
Validation of Open Inguinal Hernia Repair Simulation Model A Randomised Controlled Educational Trial
Khatib M, Hald N, Brenton H, Sarker S, Standfield N, Ziprin P, Kneebone R, Bello F
Imperial College London
Association for Surgical Education
Surgical Education Week
24th April 2013
Introduction• Surgical simulation brought to the forefront of
surgical training– Technological advances– Importance of surgical safety– Limitation in surgical trainee exposure
• EWTD• Duty hour restrictions
• Abundance of laparoscopic/ endovascular simulators
• Development of Hernia Repair Open Surgical Simulation (HeROSS) model
Recruitment
Clinical Years Medical students invited to participate
Volunteers screened
Exclusion criteria implemented
Block Randomisation
Pre-intervention MCQ
Intervention Group
Group 4:
Control Group
Group 1:
Interactive Simulation
Group 2:
Non-interactive Simulation
Group 3:
Video Tutorial
Assessment
1. Post-intervention MCQ
2. Viva
Method
Performing or assisting in an open inguinal hernia repair
Previous bachelor degree in anatomy
Anatomy demonstrator
Method• Three separate one hour learning sessions
• Scenario given to candidates
• All in one week
• Assessment one day after final learning session
Method• Interactive Simulation
Method• Video Tutorial
Method• Control Group
– Internet access– Quick access to all surgical procedure
textbooks and mini-textbooks available in Imperial College Library
– Anatomy handouts from commonly used anatomy textbooks and atlases
Results
Results• 54 students completed study
• Group 1 n=15• Group 2 n=15• Group 3 n=12• Group 4 n=14
Results
Group Mean Standard Deviation
Pre Intervention MCQ
(%)
1 43.33 13.282 38.92 9.933 38.33 9.374 39.57 9.27
Total 40.14 10.58
Score Improvement in MCQ
(%)
1 30.15 13.682 36.08 12.483 31.74 12.874 7.41 9.56
Total 26.4 16.41
Assessment Score(%)
1 76.92 9.92 65.38 2.723 59.67 8.864 42.93 9.54
Total 61.63 14.88
Results – Comparison Between Groups
Conclusions• Statistically significant Improvement in
anatomical and procedural knowledge from using the interactive simulation model
• Vital role of simulation as an adjunct in modern surgical training
• Open surgical procedural knowledge a pre-requisite to laparoscopic surgery
• Envisage online virtual theatre with ability to do multiple core index procedures
Future Research• Recruitment of surgical trainees
ongoing• Addition of recorded assessment on
hernia model
Thank you