Guanli Xie, Tao Wang, Han Fu, Duo Liu, Li Deng, Xia Zheng, Lvyu Li, Jianglong Liao
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The quality of evidence was evaluated using the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) framework.</p><p><strong>Results: </strong>A total of 33 studies were included in this study, involving 2716 medical undergraduates. The findings indicate that 3DPMs demonstrated significant advantages over the control group in theory test of the skeletal system with a moderate effect size (N = 646, P < 0.00001, I<sup>2</sup> = 80%, SMD = 0.56, 95% CI 0.20-0.93, Random effect model).Moreover, 3DPMs showed a moderate effect size advantage over the control group in laboratory tests with moderate effect size (N = 299, P < 0.00001, I<sup>2</sup> = 0%, SMD = 0.57, 95% CI 0.34 - 0.80, Fixed effect model). 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引用次数: 0
摘要
目的：探讨三维打印模型在大学生医学教育中的作用。方法：对Medline、EMBASE、CINAHL、Web of SCI、Scopus等3个在线数据库进行综合检索，检索时间跨度从其成立到2024年10月30日。满足预定纳入标准的研究被纳入分析。数据分析采用RevMan 5.4.1软件。基于各种模型进行亚组分析，采用固定效应模型或随机效应模型估计总体效应。采用推荐、评估、发展和评价分级（GRADE）框架评估证据质量。结果：本研究共纳入33项研究，涉及医学本科生2716人。结果表明，3dpm在骨骼系统理论检验中表现出明显的优势，具有中等效应量（N = 646, P = 80%, SMD = 0.56, 95% CI 0.20 ~ 0.93，随机效应模型）。此外，在中等效应量的实验室测试中，3dpm比对照组表现出中等效应量优势（N = 299, P 2 = 0%, SMD = 0.57, 95% CI 0.34 - 0.80，固定效应模型）。此外，在小效应量的总试验中，3DP组优于对照组（N = 832, P = 0.20, I2 = 84%, SMD = 0.26, 95% CI -0.14-0.66，随机效应模型）。结论：三维dpm是传统教学方法的宝贵补充，具有提高医学生理论认识和实践实验技能的潜力。然而，由于模型类型的差异、纳入研究的质量较低以及样本量有限，在解释当前研究结果时必须谨慎。
The role of three-dimensional printing models in medical education: a systematic review and meta-analysis of randomized controlled trials.
Objective: The objective of this study is to evaluate the role of three-dimensional printing models (3DPMs) in the medical education for undergrade students.
Method: A comprehensive search was performed across three online databases including Medline, EMBASE, CINAHL, Web of SCI, and Scopus spanning from their inception to October 30, 2024. Studies that satisfied the predefined inclusion criteria were incorporated into the analysis. Data analysis was executed utilizing RevMan 5.4.1. Subgroup analyses were conducted based on various models, and overall effects were estimated using either the fixed effects model or the random effects model. The quality of evidence was evaluated using the Grading of Recommendations, Assessment, Development, and Evaluation (GRADE) framework.
Results: A total of 33 studies were included in this study, involving 2716 medical undergraduates. The findings indicate that 3DPMs demonstrated significant advantages over the control group in theory test of the skeletal system with a moderate effect size (N = 646, P < 0.00001, I2 = 80%, SMD = 0.56, 95% CI 0.20-0.93, Random effect model).Moreover, 3DPMs showed a moderate effect size advantage over the control group in laboratory tests with moderate effect size (N = 299, P < 0.00001, I2 = 0%, SMD = 0.57, 95% CI 0.34 - 0.80, Fixed effect model). Additionally, 3DP showed advantage over the control group in total tests with small effect size (N = 832, P = 0.20, I2 = 84%, SMD = 0.26, 95% CI -0.14-0.66, Random effect model).
Conclusion: 3DPMs serve as a valuable adjunct to traditional teaching methodologies and have the potential to enhance both the theoretical understanding and practical laboratory skills of medical students. Nevertheless, caution must be exercised in interpreting the current findings due to variations in model types, low quality of included studies, and the limited number of studies with small sample sizes.
期刊介绍：
BMC Medical Education is an open access journal publishing original peer-reviewed research articles in relation to the training of healthcare professionals, including undergraduate, postgraduate, and continuing education. The journal has a special focus on curriculum development, evaluations of performance, assessment of training needs and evidence-based medicine.
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