Virtual trauma patient simulation design using the McGill Simulation Complexity Score (MSCS): a breakthrough in trauma education

Virtual patient simulations are interactive, computer-based cases. We designed scenarios based on the McGill Simulation Complexity Score (MSCS), a previously described objective complexity score. We aimed to establish validity of the MSCS and introduce a novel learning tool in trauma education at ou...

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Bibliographic Details
Published in:Canadian journal of surgery 2023-04, Vol.66 (2), p.E212-E218
Main Authors: Deban, Melina, Iqbal, Sameena, Beckett, Andrew, Posel, Nancy, Fleiszer, David M, Razek, Tarek, Khwaja, Kosar
Format: Article
Language:English
Subjects:
Clinical Competence
Computer Simulation
Examinations
Humans
Internship and Residency
Learning
Medical education
Methods
Patient Simulation
Scoring
Simulated patients
Students, Medical
Study and teaching
Technology application
Traumatology
Web applications
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Summary:Virtual patient simulations are interactive, computer-based cases. We designed scenarios based on the McGill Simulation Complexity Score (MSCS), a previously described objective complexity score. We aimed to establish validity of the MSCS and introduce a novel learning tool in trauma education at our institution. After design of an easy and difficult patient scenario, we randomized medical students and residents to each perform 1 of the 2 scenarios. We conducted a 2-way analysis of variance of training level (medical student, resident) and scenario complexity (easy, difficult) to assess their effects on virtual time, the number of steps taken in the scenario, beneficial and harmful actions, and the ratio of beneficial over harmful actions. Virtual patient scenarios were successfully designed using the MSCS. Twenty-four medical students and 12 residents participated in the easy scenario (MSCS = 3), and 27 medical students and 12 residents did the difficult scenario (MSCS = 18). Though beneficial actions were similar between students and residents, sudents performed more harmful actions, particularly when the scenario was difficult. One virtual patient died in the easy scenario and 3 died in the difficult one (all medical students). Performance varied with level of complexity and there was significant interaction between level of training and number of steps, as well as with number of harmful actions. Decreasing performance with increasing level of complexity, as defined by the MSCS, suggests this score can accurately quantify difficulty. We established validity of the MSCS and showed its successful application on virtual patient scenario design.
ISSN:0008-428X
1488-2310
DOI:10.1503/cjs.003121