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中华医学超声杂志(电子版) ›› 2024, Vol. 21 ›› Issue (06) : 602 -607. doi: 10.3877/cma.j.issn.1672-6448.2024.06.009

教育培训

3D打印心脏模型在模拟左心耳封堵术临床教学中的应用价值
曹雨欣1, 毛卓君2, 梁嘉赫2, 伊江浦2, 张泽凯2, 马文帅3, 陈云涛2, 李晓倩2, 张宇新4, 曹铁生2, 袁丽君4,()   
  1. 1. 710048 西安工程大学;710038 空军军医大学第二附属医院3D打印研究中心
    2. 710038 空军军医大学第二附属医院3D打印研究中心;710038 空军军医大学第二附属医院超声医学科
    3. 710038 空军军医大学第二附属医院心血管内科
    4. 710038 空军军医大学第二附属医院超声医学科
  • 收稿日期:2024-03-27 出版日期:2024-06-01
  • 通信作者: 袁丽君
  • 基金资助:
    陕西省重点研发计划"双链融合"增材制造(3D打印)重点研发计划(2021LLRH-08)

Application of three-dimensional printed heart model in simulating clinical teaching of left atrial appendage closure

Yuxin Cao1, Zhuojun Mao2, Jiahe Liang2, Jiangpu Yi2, Zekai Zhang2, Wenshuai Ma3, Yuntao Chen2, Xiaoqian Li2, Yuxin Zhang4, Tiesheng Cao2, Lijun Yuan4,()   

  1. 1. Xi'an Engineering University, Xi'an 710048, China; 3D Printing Research Center, the Second Affiliated Hospital of Air Force Military Medical University, Xi'an 710038, China
    2. 3D Printing Research Center, the Second Affiliated Hospital of Air Force Military Medical University, Xi'an 710038, China; Department of Ultrasound Medicine, the Second Affiliated Hospital of Air Force Military Medical University, Xi'an 710038, China
    3. Department of Cardiovascular Medicine, the Second Affiliated Hospital of Air Force Military Medical University, Xi'an 710038, China
    4. Department of Ultrasound Medicine, the Second Affiliated Hospital of Air Force Military Medical University, Xi'an 710038, China
  • Received:2024-03-27 Published:2024-06-01
  • Corresponding author: Lijun Yuan
引用本文:

曹雨欣, 毛卓君, 梁嘉赫, 伊江浦, 张泽凯, 马文帅, 陈云涛, 李晓倩, 张宇新, 曹铁生, 袁丽君. 3D打印心脏模型在模拟左心耳封堵术临床教学中的应用价值[J/OL]. 中华医学超声杂志(电子版), 2024, 21(06): 602-607.

Yuxin Cao, Zhuojun Mao, Jiahe Liang, Jiangpu Yi, Zekai Zhang, Wenshuai Ma, Yuntao Chen, Xiaoqian Li, Yuxin Zhang, Tiesheng Cao, Lijun Yuan. Application of three-dimensional printed heart model in simulating clinical teaching of left atrial appendage closure[J/OL]. Chinese Journal of Medical Ultrasound (Electronic Edition), 2024, 21(06): 602-607.

目的

探讨基于超声和CT影像融合数据的3D打印心脏模型用于模拟左心耳封堵术在临床教学中的应用效果。

方法

2023年5月至2023年10月,选取空军军医大学第二附属医院心血管内科60名医师作为教学对象,根据随机分组的方式将受试者分为教学试验组和对照组,每组各30人。对照组采用理论授课的传统教学方法,教学试验组采用理论授课结合基于超声和CT影像融合数据的3D打印心脏模型模拟手术的教学方法。培训结束后,对全部医师进行理论考核、实践考核以及教学问卷调查评分,比较对照组与试验组的教学效果。

结果

在理论考核方面,教学试验组医师的理论笔试成绩(93.37±2.17)分高于对照组(90.13±2.13)分,差异有统计学意义(P < 0.0001)。在实践考核方面,试验组医师的实践操作成绩(90.03±1.85)分,高于对照组医师(84.73±3.76)分,差异有统计学意义(P < 0.0001)。教学问卷调查结果显示,教学试验组评分(24.73±0.64)分高于对照组评分(20.60±1.75)分,差异有统计学意义(P < 0.0001)。

结论

与传统教学方法相比,应用3D打印心脏模型进行体外模拟左心耳封堵术的教学方法有助于激发临床医师的学习兴趣,帮助临床医师快速掌握新技术、新器械的操作要点,提高问题分析能力并积累手术实践经验,值得进一步推广应用。

Objective

To evaluate the value of three-dimensional (3D) printed heart model based on ultrasound and CT image fusion data in simulating the teaching of left atrial appendage closure procedure.

Methods

From May 2023 to October 2023, 60 physicians from the Department of Cardiology at the Second Affiliated Hospital of the Air Force Military Medical University were selected and randomly divided into either an experimental group or a control group, with 30 physicians in each group. The control group adopted Traditional methods of theoretical teaching were adopted in the control group, while the experimental group adopted a teaching method of combining theoretical teaching with simulation of surgery using 3D printed heart model based on ultrasound and CT image fusion data. After training, all physicians underwent a theoretical test, a practice test, and a teaching questionnaire survey, and the scores in each group were compared.

Results

The mean theoretical test score in the experimental group (93.37±2.17 points) was significantly higher than that of the control group (90.13±2.13 points; P < 0.001). The mean practice test score in the experimental group (90.03±1.85 points) was also significantly higher than that of the control group (84.73±3.76 points; P < 0.001). The score of the teaching questionnaire survey in the experimental group (24.73±0.64 points) was also significantly higher than that of the control group (20.60±1.75 points; P < 0.001).

Conclusion

Compared with traditional teaching methods, the teaching method of using 3D printed heart model to simulate left atrial appendage closure in vitro can stimulate the learning interest of clinical physicians, help them quickly grasp the key points of the procedure, improve their ability to analyze problems, and accumulate surgical practice experience.

图1 基于经食管超声心动图(TEE)和CT融合数据的3D打印心脏模型。图a为左心耳TEE影像数据;图b为左心耳TEE影像分割(红色标记为3D心脏建模描记标识);图c为3D-TEE左心耳数字模型;图d为心脏CT影像数据;图e为心脏CT影像分割(红色标记为3D心脏建模描记标识);图f为将基于TEE数据的3D左心耳影像融合至基于CT数据的3D全心数字模型中
图2 基于经食管超声心动图数据的3D打印左心耳模型
图3 3D打印心脏模型用于左心耳封堵术教学。图a为多角度观察左心耳解剖;图b为左心耳的测量方法(黄色虚线为左心耳的径深测量);图c为根据左心耳大小、形态进行封堵器选择;图d为模拟左心耳封堵术手术路径(黄色箭头指向左心耳封堵器置入部位)注:LAA为左心耳;LA为左心房;LSPV为左肺上静脉;MV为二尖瓣;TV为三尖瓣;AV为主动脉瓣
表1 教学评估调查问卷表
表2 对照组与试验组医师专业理论考核成绩比较(±s,分)
表3 对照组与试验组医师实践操作考核成绩比较(±s,分)
表4 对照组与试验组问卷调查教学效果评估比较(±s,分)
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