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  • Title: Simulation-based mastery learning reduces complications during central venous catheter insertion in a medical intensive care unit.
    Author: Barsuk JH, McGaghie WC, Cohen ER, O'Leary KJ, Wayne DB.
    Journal: Crit Care Med; 2009 Oct; 37(10):2697-701. PubMed ID: 19885989.
    Abstract:
    OBJECTIVE: To determine the effect of a simulation-based mastery learning model on central venous catheter insertion skill and the prevalence of procedure-related complications in a medical intensive care unit over a 1-yr period. DESIGN: Observational cohort study of an educational intervention. SETTING: Tertiary-care urban teaching hospital. SUBJECTS: One hundred three internal medicine and emergency medicine residents. INTERVENTIONS: Twenty-seven residents were traditionally trained and did not receive simulation-based education. These residents were surveyed regarding complications and procedural self-confidence on actual central venous catheters they inserted in the medical intensive care unit. Subsequently, 76 residents completed simulation-based training in internal jugular and subclavian central venous catheter insertions. Simulator-trained residents were expected to meet or exceed a minimum passing score set by an expert panel and measured by performance on a skills checklist (given both before and after the educational intervention), using a central venous catheter simulator. Simulator-trained residents also took a written pre and posttest. Simulator-trained residents were surveyed regarding complications and procedural self-confidence on actual central venous catheters they inserted in the medical intensive care unit. MEASUREMENTS AND MAIN RESULTS: Simulator-trained residents reported fewer needle passes (p < .0005), arterial punctures (p < .0005), catheter adjustments (p = .002), and higher success rates (p = .005) for actual central venous catheters inserted in the medical intensive care unit than traditionally trained residents. At clinical skills examination pretest, 12 (16%) of 76 simulator-trained residents met the minimum passing score for internal jugular central venous catheter insertion and 11 (14%) of 76 residents met the minimum passing score for subclavian central venous catheter insertion: mean (internal jugular) = 50.6%, SD = 23.4%; mean (subclavian) = 48.4%, SD = 26.8%. After simulation training, all residents met or exceeded the minimum passing score at posttest: mean (internal jugular) = 93.9%, SD = 10.2; mean (subclavian) = 91.5%, SD = 17.1 (p < .0005). Written examination performance improved from mean = 70.3%, SD = 7.7%, to 84.8%, SD = 4.8% (p < .0005). CONCLUSIONS: A simulation-based mastery learning program increased residents' skills in simulated central venous catheter insertion and decreased complications related to central venous catheter insertions in actual patient care.
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