透视还是眼镜?以混合现实辅助教育方法教授胸主动脉解剖--一项双臂随机试点研究

IF 2.1 3区 医学 Q2 SURGERY
Lea Zimmer, Johannes Hatzl, Christian Uhl, Samuel Kilian, Moritz S. Bischoff, Dittmar Böckler, Katrin Meisenbacher
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引用次数: 0

摘要

目的解剖学理解是医学教学的重要基础,尤其是在外科教学中。但通过二维可视化解读复杂的血管结构却很困难,尤其是对学生而言。本研究的目的是调查 MxR 辅助教学法在血管外科本科教育中的可行性,比较基于 MxR 的教学干预和基于 CT 的材料,以学习和理解胸主动脉的血管形态。方法在一项前瞻性随机对照试验中,对 120 例胸主动脉可视化进行了调查,研究了基于 MxR 和基于 CT 的干预后的学习成功率和诊断技能。次要结果包括动机、系统可用性以及工作量/满意度。此外,还对动机因素和培训经验进行了评估。12 名学生(7 名女性;平均年龄:23 岁)被随机分为两组,接受 MxR 或 CT 的教育干预。结果学习成功率评估显示平均提高了 1.17 分(最高分:10;95%CI:0.36-1.97)。MxR 组平均提高了 1.33 分[95%CI:0.16-2.51],而 CT 组提高了 1.0 分[95%CI:-0.71-2.71]。在诊断技能方面,两组表现相当(CT 组:58.25 ± 7.86 vs. MxR 组:58.5 ± 6.60;最高分 92.0)。11/12 名学员认为 MxR 有助于学习血管形态。MxR系统的可用性得到了积极的评价,而且感觉到的工作量较低。需要在更大的教学环境中对该技术进行进一步评估。特别是在实践技能的学习方面,MxR 系统的使用为外科教学提供了有趣的应用可能性。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

Perspective or Spectacle? Teaching thoracic aortic anatomy in a mixed reality assisted educational approach– a two-armed randomized pilot study

Perspective or Spectacle? Teaching thoracic aortic anatomy in a mixed reality assisted educational approach– a two-armed randomized pilot study

Purpose

Anatomical understanding is an important basis for medical teaching, especially in a surgical context. The interpretation of complex vascular structures via two-dimensional visualization can yet be difficult, particularly for students. The objective of this study was to investigate the feasibility of an MxR-assisted educational approach in vascular surgery undergraduate education, comparing an MxR-based teaching-intervention with CT-based material for learning and understanding the vascular morphology of the thoracic aorta.

Methods

In a prospective randomized controlled trial learning success and diagnostic skills following an MxR- vs. a CT-based intervention was investigated in 120 thoracic aortic visualizations. Secondary outcomes were motivation, system-usability as well as workload/satisfaction. Motivational factors and training-experience were also assessed. Twelve students (7 females; mean age: 23 years) were randomized into two groups undergoing educational intervention with MxR or CT.

Results

Evaluation of learning success showed a mean improvement of 1.17 points (max.score: 10; 95%CI: 0.36–1.97). The MxR-group has improved by a mean of 1.33 [95% CI: 0.16–2.51], against 1.0 points [95% CI: -0.71- 2.71] in the CT-group. Regarding diagnostic skills, both groups performed equally (CT-group: 58.25 ± 7.86 vs. MxR-group:58.5 ± 6.60; max. score 92.0). 11/12 participants were convinced that MxR facilitated learning of vascular morphologies. The usability of the MxR-system was rated positively, and the perceived workload was low.

Conclusion

MxR-systems can be a valuable addition to vascular surgery education. Further evaluation of the technology in larger teaching situations are required. Especially regarding the acquisition of practical skills, the use of MxR-systems offers interesting application possibilities in surgical education.

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来源期刊
CiteScore
3.30
自引率
8.70%
发文量
342
审稿时长
4-8 weeks
期刊介绍: Langenbeck''s Archives of Surgery aims to publish the best results in the field of clinical surgery and basic surgical research. The main focus is on providing the highest level of clinical research and clinically relevant basic research. The journal, published exclusively in English, will provide an international discussion forum for the controlled results of clinical surgery. The majority of published contributions will be original articles reporting on clinical data from general and visceral surgery, while endocrine surgery will also be covered. Papers on basic surgical principles from the fields of traumatology, vascular and thoracic surgery are also welcome. Evidence-based medicine is an important criterion for the acceptance of papers.
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