Abstract
Purpose:This study aimed to assess the impact of ultrasound simulation (SonoSim) on educational outcomes of an introductory point-of-care ultrasound course compared to hands-on training with live models alone.Methods:Fifty-three internal medicine residents without ultrasound experience were randomly assigned to control or experimental groups. They participated in an introductory point-of-care ultrasound course covering eight topics in eight sessions from June 23, 2014 until July 18, 2014. Both participated in lecture and hands-on training, but experimental group received an hour of computerized simulator training instead of a second hour of hands-on training. We assessed clinical knowledge and image acquisition with written multiple-choice and practical exams, respectively. Of the 53 enrolled, 40 participants (75.5%) completed the course and all testing.Results:For the 30-item written exam, mean score of the experimental group was 23.1±3.4 (n=21) vs. 21.8±4.8 (n=19), (P>0 .05). For the practical exam, mean score for both groups was 8.7 out of 16 (P>0 .05).Conclusion:The substitution of eight hours of ultrasound simulation training for live model scanning in a 24 hour training course did not enhance performance on written and image acquisition tests in an introductory ultrasound course for residents. This result suggests that ultrasound simulation technology used as a substitute for live model training on an hour-for-hour basis, did not improve learning outcomes. Further investigation into simulation as a total replacement for live model training will provide a clearer picture of the efficacy of ultrasound simulators in medical education.
Highlights
The benefits of point of care (POC) ultrasound are wellknown; it is inexpensive, noninvasive, portable, and increasingly present in rural and less developed areas [1]
SonoTrainer have already been adopted into medical education programs throughout the United States [7]
This study investigated the effectiveness of ultrasound simulator technology in conjunction with traditional teaching methods, with the hope that the simulators could overcome the logistical barriers to providing ultrasound training to students
Summary
The benefits of point of care (POC) ultrasound are wellknown; it is inexpensive, noninvasive, portable, and increasingly present in rural and less developed areas [1]. Exposure to ultrasound in medical education increases users’ aptitude in diagnostic and procedural sonography [2,3]. The use of simulated clinical experiences (e.g., standardized patients and high-tech mannequins) to augment conventional teaching methods is well-established in medical schools, but the utility of simulation in ultrasound education has yet to be fully investigated [4]. This article discusses the impact of SonoSim ver. (Ultrasound Training Solution, Santa Monica, CA, USA) ultrasound simulators on learning outcomes for medical residents taking an introductory ultrasound course in a hospital, Brazil This article discusses the impact of SonoSim ver. 2.8.1. (Ultrasound Training Solution, Santa Monica, CA, USA) ultrasound simulators on learning outcomes for medical residents taking an introductory ultrasound course in a hospital, Brazil
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