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Abstract
Background
Current studies assessed the learning efficacy of e-learning in ultrasound (US) training using questionnaires, or simulation in well-controlled conditions. This study investigates the effect of e-learning on the clinical US performance of the first postgraduate year (PGY-1) residents.
MethodsIn this prospective observational study, we enrolled PGY-1 and second postgraduate year (PGY-2) residents. The e-learning was introduced on the first day and each PGY-1 was authorized to access the e-learning platform. The point-of-care ultrasound (PoCUS) curriculum for the focused assessment of sonography for trauma (FAST) was conducted on the 7th day for PGY-1 and the objective structured clinical examination (OSCE) followed. The PGY-2 received bedside one-to-one random learning before the study and did not have the authorization to access the e-learning. The FAST examinations performed by the PGY-1 and PGY-2 were collected on the 30th day. The clinical FAST performance was assessed by the instructor not involved in the curriculum and blinded to the use of e-learning, including numbers, image quality, and diagnostic accuracy between PGY-1 e-learning users, non-users, and the PGY-2.
ResultsOne hundred and seventy PGY-1 with 736 FAST examinations and 53 PGY-2 residents with 134 examinations were included. Seventy PGY-1 used e-learning with a median time spent of 13.2 mins (IQR, 6.5–21.1 mins) at the first access. The PGY-2 had more PoCUS experience than the PGY-1, however, the 70 e-learning users performed more FAST examinations than the PGY-2 (median [IQR], 4 [2–6] vs. 2 [1–3], p = 0.0004) and had better image quality than the PGY-2 (3 [3–3.2] vs. 3 [2.7–3], p = 0.044). There were no significant differences in the diagnostic accuracy between the PGY-1 and PGY-2.
ConclusionsE-learning has a positive effect on US learning. The PGY-1 users had comparable performance with the PGY-2 and even better image acquisition although the PGY-2 had more PoCUS experience.
Trial registrationNCT03738033 at ClinicalTrials.gov.
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Details
1 Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan; Department of Emergency Medicine, College of Medicine, National Taiwan University, Taipei, Taiwan
2 Department of Computer Science & Information Engineering, National Taiwan University, Taipei, Taiwan
3 Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan; Diversion of Critical Care Medicine, Department of Emergency and Critical Care Medicine, Fu-Jen Catholic University Hospital, New Taipei, Taiwan
4 Department of Emergency Medicine, National Taiwan University Hospital, Taipei, Taiwan