将数字3D PDF与3D打印心脏模型作为医学学生心声学学习辅助器的有效性进行比较
Kunaal S Sarnaik1, Vishnu Ramasamy2, Kelli Qua3
1Case Western Reserve University School of Medicine, 10900 Euclid Avenue, Cleveland, OH 44106 USA.
Medical science educator
|October 20, 2025
概括
3D打印的心脏模型和3D PDF提供了可比的效果,用于学习心声回声学. 学生报告说,使用3D打印模型的满意度和学习质量更高,尽管两种技术的知识收益相似.
科学领域:
- 医学教育 医学教育
- 心血管成像 - 心血管成像
- 解剖学建模 解剖学建模
背景情况:
- 心声学解释需要将超声波图像与复杂的心脏解剖学相关联.
- 传统的学习辅助工具在可视化心脏结构的横截面方面存在挑战.
- 三维 (3D) 模型为回声心脏学培训中的解剖学理解提供了潜在的解决方案.
研究的目的:
- 为了比较3D打印心脏模型与3D便携式文档格式 (PDF) 心脏模型的有效性,作为医学学生学习心声学的教育工具.
- 用这些不同的3D模型格式来评估学生的满意度,学习质量和知识获取.
主要方法:
- 医学学生被分为两组:一组使用3D打印的心脏模型,另一组使用3D PDF模型.
- 参与者对标准化患者进行了胸前回声心电图.
- 立即和延迟后测试评估了满意度,学习质量和心声回声学知识,使用双向ANOVA进行分析.
主要成果:
- 与3D PDF组相比,3D打印模型组报告了明显更高的满意度和学习质量,无论是立即还是延迟后.
- 虽然随着时间的推移,3D PDF组的满意度和学习质量下降,但3D打印模型组没有观察到显著下降.
- 两组之间没有发现心声回声学知识得分的显著差异,尽管对照组随着时间的推移显示了知识的改善.
结论:
- 无论是3D打印的还是3D PDF的心脏模型,都在提高学生对心声回声学学习的效果上同样有效.
- 与3D PDF相比,3D打印模型可能会带来更高的学生满意度和持续的学习质量.
- 进一步的研究可以探索将3D建模最佳集成到心声回声学课程中.
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