Development and promotion of a 3D-printed phantom model for ultrasound-guided caudal block followed by intracavitary/interstitial brachytherapy for gynecological cancer

IF 1.7 4区医学 Q4 ONCOLOGY

Brachytherapy Pub Date : 2024-07-27 DOI:10.1016/j.brachy.2024.05.006

Terufumi Kawamoto , Masaki Oshima , Naoya Murakami, Noriyuki Okonogi, Yoichi Muramoto, Tatsuki Karino, Kotaro Iijima, Jun Takatsu, Tatsuya Inoue, Naoto Shikama

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引用次数: 0

Abstract

PURPOSE

We developed a 3D-printed phantom model for ultrasound-guided caudal block for educational or training purposes because there have been no reports of the 3D-printed phantom model for ultrasound-guided caudal block. This study aimed to identify the needs for the phantom model in a lecture and demonstration at hands-on training (HoT) to promote the use of caudal block for sufficient pain control during high-dose-rate intracavitary/interstitial brachytherapy for gynecological cancers.

MATERIALS AND METHODS

The sacrum and formwork were designed by computed tomography imaging. A 3D-modeling software program was used to create the sacrum and formwork. The phantom was solidified by injecting a gelatin-based gel. Ultrasonography was performed to visualize the sacral hiatus and puncture needle in the phantom. In October 2023, 10 radiation oncologists who did not perform caudal block in daily clinical practice from ten Japanese facilities participated in HoT on ultrasound-guided caudal block. After the HoT, questionnaires were distributed to each participant, and feedback was obtained through online channels.

RESULTS

After receiving a lecture and demonstration on ultrasound-guided caudal block, 90% of the respondents would like to practice the procedure in their daily clinical practice. Moreover, 100% of the respondents would like to use the 3D-printed phantom model for ultrasound-guided caudal block for educational or training purposes.

CONCLUSION

The 3D-printed phantom model for ultrasound-guided caudal block can be used in training and is in demand for facilities introducing caudal block.

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开发和推广用于妇科癌症超声引导尾部阻滞后腔内/间质近距离放射治疗的三维打印模型。

目的：我们开发了一种用于超声引导下尾部阻滞的三维打印模型，用于教育或培训目的，因为目前还没有关于超声引导下尾部阻滞的三维打印模型的报道。本研究旨在确定在实操培训（HoT）的讲座和演示中对人体模型的需求，以促进在妇科癌症的高剂量率腔内/间质近距离治疗中使用尾椎阻滞来充分控制疼痛：通过计算机断层扫描成像设计骶骨和模板。使用三维建模软件创建骶骨和模板。通过注入明胶凝胶使模型凝固。通过超声波检查来观察模型中的骶骨裂隙和穿刺针。2023 年 10 月，来自日本 10 家医疗机构的 10 名在日常临床实践中未实施尾椎阻滞的放射肿瘤科医生参加了关于超声引导下尾椎阻滞的 HoT。培训结束后，向每位学员发放了调查问卷，并通过网络渠道获得了反馈：结果：90%的受访者在接受了关于超声引导下尾椎阻滞的讲座和演示后，表示愿意在日常临床实践中练习这一操作。此外，100% 的受访者愿意将超声引导下尾椎阻滞的 3D 打印模型用于教育或培训目的：结论：用于超声引导下尾椎阻滞的 3D 打印模型可用于培训，引进尾椎阻滞的医疗机构对其有需求。

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

Brachytherapy 医学-核医学

CiteScore

3.40

自引率

21.10%

发文量

119

审稿时长

9.1 weeks

期刊介绍： Brachytherapy is an international and multidisciplinary journal that publishes original peer-reviewed articles and selected reviews on the techniques and clinical applications of interstitial and intracavitary radiation in the management of cancers. Laboratory and experimental research relevant to clinical practice is also included. Related disciplines include medical physics, medical oncology, and radiation oncology and radiology. Brachytherapy publishes technical advances, original articles, reviews, and point/counterpoint on controversial issues. Original articles that address any aspect of brachytherapy are invited. Letters to the Editor-in-Chief are encouraged.