Implementing Three-Dimensional Printed Pelvises with Idealized Acetabular Fractures to Improve Resident Education

Q2 Medicine

Journal of Clinical Orthopaedics and Trauma Pub Date : 2025-04-04 DOI:10.1016/j.jcot.2025.102996

Omar A. Manzur BS , Angel Valencia MD , Richard Samade MD, PhD , Alexandra Callan MD , Robert C. Weinschenk MD

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Abstract

BACKGROUND

The complex anatomy of the acetabulum makes preoperative planning a challenging topic in orthopedic education. Effectively interpreting plain radiographs of acetabular fractures is important for time-sensitive cases and remains an initial step for guiding downstream care. Modern implementations of 3D printing include physical reconstructions from CT scans but is not easily accessible. This study aims to evaluate the value of cost-effective generic 3D printed models to improve resident performance on classifying real patient acetabular fracture examples.

METHODS

22 orthopaedic surgery residents (PGY 1-5) were selected as participants to classify acetabular fractures in the pre-test and post-test surveys. Participants classified 10 acetabulum fracture examples using only the five standard X-ray views in the pre-test survey, then had 3 minutes at each of 10 stations to review the 3D models and X-rays of acetabular fractures, and finally at the end completed a post-test survey. The total number of correct answers and average perceived confidence were calculated at the participant level for both pre-test and post-test.

RESULTS

Results showed significantly different total scores between PGY cohorts for both total score (p = 0.00729) and average confidence (p = 0.0034). Factorial ANOVA of total score against PGY and test type displayed a significant improvement in PGY test scores from pre-test to post-test (p = 0.0453), as well as a significant difference between each PGY year (p = 0.00418). Factorial ANOVA of average confidence against PGY and test type displayed no significant improvement from pre-test to post-test (0.372), however PGY cohorts were shown to be significantly different in their average confidence (0.00677).

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应用三维打印骨盆治疗理想髋臼骨折提高住院医师教育水平

背景髋臼的解剖结构复杂，因此术前计划是骨科教育中一个具有挑战性的课题。有效解读髋臼骨折的普通放射线照片对于时间敏感的病例非常重要，而且仍然是指导下游治疗的第一步。现代 3D 打印技术包括根据 CT 扫描进行物理重建，但不易获得。本研究旨在评估具有成本效益的通用 3D 打印模型的价值，以提高住院医师对真实患者髋臼骨折病例的分类能力。方法选取 22 名骨科外科住院医师（PGY 1-5）作为参与者，在测试前和测试后调查中对髋臼骨折进行分类。参与者在测试前调查中仅使用五种标准 X 光视图对 10 例髋臼骨折进行分类，然后在 10 个站点中的每个站点用 3 分钟时间查看髋臼骨折的 3D 模型和 X 光片，最后完成测试后调查。结果表明，在总分（P = 0.00729）和平均信心（P = 0.0034）方面，不同 PGY 组群的总分有显著差异。总分与 PGY 和测试类型的因子方差分析显示，从测试前到测试后，PGY 的测试分数有了显著提高（p = 0.0453），各 PGY 年级之间也有显著差异（p = 0.00418）。平均信心与 PGY 和测试类型的因子方差分析显示，从测试前到测试后，PGY 的平均信心没有明显改善（0.372），但 PGY 组群的平均信心有显著差异（0.00677）。

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来源期刊

Journal of Clinical Orthopaedics and Trauma Medicine-Orthopedics and Sports Medicine

CiteScore

4.30

自引率

0.00%

发文量

181

审稿时长

92 days

期刊介绍： Journal of Clinical Orthopaedics and Trauma (JCOT) aims to provide its readers with the latest clinical and basic research, and informed opinions that shape today''s orthopedic practice, thereby providing an opportunity to practice evidence-based medicine. With contributions from leading clinicians and researchers around the world, we aim to be the premier journal providing an international perspective advancing knowledge of the musculoskeletal system. JCOT publishes content of value to both general orthopedic practitioners and specialists on all aspects of musculoskeletal research, diagnoses, and treatment. We accept following types of articles: • Original articles focusing on current clinical issues. • Review articles with learning value for professionals as well as students. • Research articles providing the latest in basic biological or engineering research on musculoskeletal diseases. • Regular columns by experts discussing issues affecting the field of orthopedics. • "Symposia" devoted to a single topic offering the general reader an overview of a field, but providing the specialist current in-depth information. • Video of any orthopedic surgery which is innovative and adds to present concepts. • Articles emphasizing or demonstrating a new clinical sign in the art of patient examination is also considered for publication. Contributions from anywhere in the world are welcome and considered on their merits.