Clinical skills temporal degradation assessment in undergraduate medical education
Journal Title: Journal of Advances in Medical Education and Professionalism - Year 2018, Vol 6, Issue 1
Abstract
Introduction: Medical students’ ability to learn clinical procedures and competently apply these skills is an essential component of medical education. Complex skills with limited opportunity for practice have been shown to degrade without continued refresher training. To our knowledge there is no evidence that objectively evaluates temporal degradation of clinical skills in undergraduate medical education. The purpose of this study was to evaluate temporal retention of clinical skills among third year medical students. Methods: This was a cross-sectional study conducted at four separate time intervals in the cadaver laboratory at a public medical school. Forty-five novice third year medical students were evaluated for retention of skills in the following three procedures: pigtail thoracostomy, femoral line placement, and endotracheal intubation. Prior to the start of third-year medical clerkships, medical students participated in a two-hour didactic session designed to teach clinically relevant materials including the procedures. Prior to the start of their respective surgery clerkships, students were asked to perform the same three procedures and were evaluated by trained emergency medicine and surgery faculty for retention rates, using three validated checklists. Students were then reassessed at six week intervals in four separate groups based on the start date of their respective surgical clerkships. We compared the evaluation results between students tested one week after training and those tested at three later dates for statistically significant differences in score distribution using a one-tailed Wilcoxon Mann-Whitney U-test for non-parametric rank-sum analysis. Results: Retention rates were shown to have a statistically significant decline between six and 12 weeks for all three procedural skills. Conclusion: In the instruction of medical students, skill degradation should be considered when teaching complex technical skills. Based on the statistically significant decline in procedural skills noted in our investigation, instructors should consider administering a refresher course between six and twelve weeks from initial training.
Authors and Affiliations
JOSEPH FISHER, REBECCA VISCUSI, ADAM RATESIC, CAMERON JOHNSTONE, ROSS KELLEY, ANGELA M TEGETHOFF, JESSICA BATES, ELAINE H SITU-LACASSE, WILLIAM J ADAMAS-RAPPAPORT, RICHARD AMINI
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