• Lauren Weinberger Conlon, David L Rodgers, Frances S Shofer, and Gregg Y Lipschik.
• Associate Residency Director, Department of Emergency Medicine, Hospital of the University of Pennsylvania, Assistant Professor, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA. lauren.conlon@uphs.upenn.edu.
• Hosp Pract (1995). 2014 Oct 1;42(4):135-41.

AimIdentifying the modality and fidelity of simulation that offers the greatest benefit to the learner is critical to Advanced Cardiac Life Support (ACLS) training. Our hypothesis is that participants who receive ACLS training on high-fidelity mannequins will perform better than those trained on low-fidelity mannequins.MethodsThe study was performed in the context of an ACLS Initial Provider course for new postgraduate year 1 residents and involved 3 training arms: (1) low-fidelity, (2) mid-fidelity, and (3) high-fidelity. Educational outcomes were evaluated by written scores, student evaluations of the course, and expert rater reviews of megacode performance.ResultsA convenience sample of 54 subjects was randomized to 1 of the 3 training arms. All 3 groups significantly improved based on written posttest scores (P < 0.0001); however, pretest to posttest improvement among the 3 training arms was not significantly different: low-fidelity = 42.3 (95% CI, 35.7-48.9); mid-fidelity = 41.3 (95% CI, 34.7-47.9); high-fidelity = 40.8 (95% CI, 34.3-47.5; P = 0.95). All participants felt the simulator environment was realistic regardless of level of fidelity. Participants in the high-fidelity group were less likely to feel comfortable in the simulator environment (P = 0.0045). Clinical performance as assessed by expert raters' megacode scores was better for high-fidelity (66.3) than mid-fidelity (60.1) (P = 0.04).ConclusionOverall, there was no difference among the 3 groups in test scores or perceived instructor or course quality; however, subjects trained on high-fidelity mannequins performed better than those trained on mid-fidelity with respect to megacode performance.

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