Validation of a 3D-Printed Multimaterial Transcanal Tympanoplasty Simulator for Endoscopic Ear Surgery.

IF 2 3区医学 Q3 CLINICAL NEUROLOGY

Otology & Neurotology Pub Date : 2025-09-01 Epub Date: 2025-06-02 DOI:10.1097/MAO.0000000000004546

Stéphanie Rançon, Juliette Prebot, Françoise Denoyelle, Roman Hossein Khonsari, François Simon

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引用次数: 0

Abstract

Background: Simulation is an interesting tool to improve the learning curve of total endoscopic ear surgery (TEES), but hard 3D-printed temporal bones, and cadaveric or animal models have their limits. The objective of this study was to establish face, content, and construct validity for a new 3D-printed multimaterial transcanal tympanoplasty simulator.

Methods: Temporal bone hard and soft tissues were segmented from an anonymized CT scan and 3D-printed using Polyjet multimaterial technology. Otolaryngology residents and TEES experts performed posterior perforation myringoplasty procedures on the simulator to assess face, content, and construct validity based on Likert scales. Residents also compared the model to cadaveric subjects.

Results: Twelve residents and six experts gave overall 6.3/7 ± 1.4 and 6.0/7 ± 0.6 face validity scores ( p = 0.06) and overall 6.3/7 ± 0.8 and 6.0/7 ± 0.6 content validity scores ( p = 0.35), respectively. They indicated that the simulator should be incorporated into surgical training (6.5/7 ± 0.7 versus 5.5/7 ± 1.5; p = 0.17) and that it would be useful as a surgical competency evaluation tool (5.5/7 ± 0.8 versus 5.7/7 ± 1.4; p = 0.74). Overall satisfaction was similar to cadaveric subjects (3.7/7 ± 1.2). Construct validity, based on myringoplasty assessment scores for three experts, three fellows, and six residents, was 47.3/50 ± 0.6 versus 36.3/50 ± 3.2 versus 26.5/50 ± 5.3, respectively ( p = 0.009).

Conclusion: The multimaterial tympanoplasty simulator met acceptable face, content, and construct validity scores. This opens a new field for simulation training in otology, moving on from temporal bone drilling to transcanal procedures including TEES.

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用于内窥镜耳部手术的3d打印多材料经鼻鼓室成形术模拟器的验证。

背景：模拟是改善全内窥镜耳部手术（TEES）学习曲线的有趣工具，但硬3d打印颞骨，尸体或动物模型有其局限性。本研究的目的是建立一个新的3d打印多材料经鼻鼓室成形术模拟器的外观、内容和结构效度。方法：采用Polyjet多材料技术对颞骨硬软组织进行匿名CT扫描和3d打印。耳鼻喉科住院医师和tee专家在模拟器上进行后穿孔鼓膜成形术，以评估面部、内容和基于李克特量表的结构效度。居民们还将模型与尸体进行了比较。结果：12名居民和6名专家分别给出了总体面部效度得分（6.3/7±1.4分）和6.0/7±0.6分（p = 0.06），总体内容效度得分（6.3/7±0.8分）和6.0/7±0.6分（p = 0.35）。他们指出，模拟器应纳入手术训练(6.5/7±0.7 vs . 5.5/7±1.5；P = 0.17)，可作为手术能力评估工具(5.5/7±0.8比5.7/7±1.4；P = 0.74)。总体满意度与尸体受试者相似（3.7/7±1.2）。3名专家、3名研究员和6名住院医师的构建效度评估评分分别为47.3/50±0.6、36.3/50±3.2和26.5/50±5.3 （p = 0.009）。结论：多材料鼓室成形术模拟器达到可接受的外观、内容和结构效度评分。这为耳科模拟训练开辟了一个新的领域，从颞骨钻孔到包括tee在内的经鼻手术。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

Otology & Neurotology 医学-耳鼻喉科学

CiteScore

3.80

自引率

14.30%

发文量

509

审稿时长

3-6 weeks

期刊介绍： Otology & Neurotology publishes original articles relating to both clinical and basic science aspects of otology, neurotology, and cranial base surgery. As the foremost journal in its field, it has become the favored place for publishing the best of new science relating to the human ear and its diseases. The broadly international character of its contributing authors, editorial board, and readership provides the Journal its decidedly global perspective.