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Efficacy and Cost Comparison of Case-based Learning to Simulation-based Learning for Teaching Malignant Hyperthermia
Background:
Case-based learning (CBL) is a distinct classroom-based teaching format. We compare learning and retention using a CBL teaching strategy vs simulation-based learning (SBL) on the topic of malignant hyperthermia.
Methods:
In this study, 54 anesthesia residents were assigned to either a CBL or SBL experience. All residents had prior simulation experience, and both groups received a pretest and a lecture on rare diseases with emphasis on malignant hyperthermia followed by a CBL or SBL session. Test questions were validated for face and construct validity. Postsession testing occurred on the same day and at 4 months.
Results:
Twenty-seven residents completed all components of the study. The CBL group had 10 residents, and the SBL group had 17 residents. Most residents (80%) had previous exposure to malignant hyperthermia education. ANOVA for repeated measures demonstrated superior learning and long-term retention in the CBL group. In addition, our cost analysis reveals the cost of SBL to be approximately 17 times more expensive per learner than CBL.
Conclusions:
We found that CBL promoted learning and long-term retention for the topic of malignant hyperthermia and it is a more affordable teaching method. Affordability and effectiveness evidence may guide some programs toward CBL, particularly if access to simulation is limited. The number of participants and full validation of the examination questions are limitations of the study. Further studies are required to validate the findings of this study.
