Application of augmented reality technology in the standardized residency training of cardiac magnetic resonance
Objective To evaluate the effect of augmented reality(AR)technology on improving the teaching quality of cardiac magnetic resonance(MR).Methods A total of 36 postgraduate students of Tongji University majoring in medical imaging of 2018 and 2019 who received standardized residency training in Tongji Hospital affiliated to Tongji University from September 2019 to January 2022 were prospectively enrolled and randomly divided into experimental group and control group in average.In cardiac MR teaching,the experimental group combined with AR technology on the basis of the traditional electronic courseware teaching mode,and the control group adopted the traditional electronic courseware teaching mode.In order to evaluate the role of AR technology in cardiac MR teaching,theoretical examination,practical examination and satisfaction survey were conducted among the two groups of students after the completion of the teaching content.SPSS Statistics 24 analysis software was used to conduct exploratory analysis and mean comparison(independent-samples t-test)on the theoretical examination,practical examination and satisfaction survey of the two groups of students.All statistical analyses were conducted at 95%confidence level.Results The average scores of theoretical examination of the two groups were(87.56±5.07)points and(75.22±4.04)points,respectively,and the difference was statistically significant(t=10.36,P<0.001).The scores of knowledge points in basic concepts and technical characteristics,normal anatomy and hemodynamics of cardiac MR,basic cardiac lesions and MR manifestations of the two groups of students were as follows:(15.72±2.08)points,(27.00±2.09)points,(44.83±2.60)points vs.(13.28±1.74)points,(21.89±1.78)points,(40.06±2.67)points.The average scores of the practical examination for the students in the experimental group and the control group were(80.83±7.33)points and(71.11±6.98)points,respectively,with statistical significance(t=35.00,P<0.001).In the satisfaction questionnaire,the scores of the experimental group were higher than those of the control group in five aspects:learning motivation,classroom atmosphere,teaching role of the course,mastery of key and difficult points and examination arrangement.The difference between the two groups was statistically significant(all P<0.05).Conclusions In the teaching of cardiac MR,the application of AR technology has achieved good teaching results,improved the ability of students to diagnose and differentiate heart diseases,and improved the teaching effect and quality.
Augmented realityMedical imagingGraduate studentMedical educationStandardized residency training
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