Evaluating the outcomes of three dimensional printing-assisted osteotomy on treating varus knee deformity from old tibial plateau fractures.

IF 2 3区医学 Q2 ORTHOPEDICS

International Orthopaedics Pub Date : 2025-02-01 Epub Date: 2024-11-06 DOI:10.1007/s00264-024-06365-4

Bin Zhu, Kaixiao Xue, Bowen Cai, Jiahu Fang

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引用次数: 0

Abstract

Purpose: This study aimed to evaluate the outcomes of three-dimensional (3D) Printing-Assisted Osteotomy in treating varus knee deformity from old tibial plateau fractures.

Methods: The study retrospectively analyzed patients with varus deformity induced by old-tibial plateau fractures between January 2019 and June 2023. All patients utilized 3D printed models for surgical planning. The Lysholm Knee Score (LKS), Visual Analog Scale (VAS) and Knee Society Score (KSS) were measured for functional outcomes. Medial Proximal Tibial Angle (MPTA), Joint Line Convergence Angle (JLCA), Mechanical Axis (%MA), Medial Tibial Plateau Depression (MTPD), and Femorotibial Angle (FTA) were measured for radiological outcomes.

Results: 15 patients (12 males and 3 females) were included in this study and followed up for 21.9 ± 8.6 (range, 12 to 28) months. Healing of the osteotomy sites were achieved in all patients at 15.8 ± 1.5 (range, 13 to 18) weeks. The knee varus deformities were significantly corrected as reflected by %MA (2.13 ± 13.1°(range, -20 to 22) versus 57.06 ± 9.8°(range, 41 to 70), p < 0.01), FTA (186.7 ± 3.2°(range, 181 to 193) versus 172.3 ± 2.1°(range, 169 to 175), p < 0.01), JLCA (5.8 ± 1.7°(range, 3 to 8) versus 1.3 ± 0.8°(range, 0 to 3), p < 0.01), and MPTA (5.6 ± 1.2°(range, 3 to 8) versus 1.2 ± 1.1°(range, -1 to 3), p < 0.01). Postoperative knee function showed dramatic improvements as reflected by VAS (4.6 ± 1.6 (range, 1 to 7) versus 0.7 ± 0.9 (range, 0 to 2), p < 0.01), KSS (50.1 ± 16.5 (range, 27 to 88) versus 88.5 ± 5.2 (range, 80 to 95), p < 0.01), and LKS (49.5 ± 10.2 (range, 37 to 69) versus 89.2 ± 2.5 (range, 87 to 94), p < 0.01).

Conclusions: 3D printing technology provides a valuable tool for understanding deformities and optimizing osteotomy strategies, thereby improving surgical efficacy and treatment outcomes. Its clinical application is highly recommended.

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评估三维打印辅助截骨术治疗陈旧性胫骨平台骨折引起的膝关节内翻畸形的效果。

目的：本研究旨在评估三维（3D）打印辅助截骨术治疗陈旧性胫骨平台骨折引起的膝关节屈曲畸形的效果：研究回顾性分析了2019年1月至2023年6月期间因陈旧性胫骨平台骨折诱发膝关节屈曲畸形的患者。所有患者均采用3D打印模型进行手术规划。在功能结果方面，测量了 Lysholm 膝关节评分（LKS）、视觉模拟量表（VAS）和膝关节社会评分（KSS）。胫骨内侧近端角度（MPTA）、关节线收敛角度（JLCA）、机械轴（%MA）、胫骨内侧平台凹陷（MTPD）和股胫角度（FTA）则用于测量放射学结果：本研究共纳入 15 名患者（12 男 3 女），随访 21.9 ± 8.6 个月（12 至 28 个月）。所有患者的截骨部位均在 15.8 ± 1.5（13 至 18）周内愈合。膝关节内翻畸形得到了明显的矫正，这体现在%MA（2.13 ± 13.1°（范围：-20 至 22）对 57.06 ± 9.8°（范围：41 至 70），P 结论：三维打印技术为了解畸形和优化截骨策略提供了宝贵的工具，从而提高了手术疗效和治疗结果。强烈建议将其应用于临床。

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

International Orthopaedics 医学-整形外科

CiteScore

5.50

自引率

7.40%

发文量

360

审稿时长

1 months

期刊介绍： International Orthopaedics, the Official Journal of the Société Internationale de Chirurgie Orthopédique et de Traumatologie (SICOT) , publishes original papers from all over the world. The articles deal with clinical orthopaedic surgery or basic research directly connected with orthopaedic surgery. International Orthopaedics will also link all the members of SICOT by means of an insert that will be concerned with SICOT matters. Finally, it is expected that news and information regarding all aspects of orthopaedic surgery, including meetings, panels, instructional courses, etc. will be brought to the attention of the readers. Manuscripts submitted for publication must contain a statement to the effect that all human studies have been approved by the appropriate ethics committee and have therefore been performed in accordance with the ethical standards laid down in the 1964 Declaration of Helsinki. It should also be stated clearly in the text that all persons gave their informed consent prior to their inclusion in the study. Details that might disclose the identity of the subjects under study should be omitted. Reports of animal experiments must state that the "Principles of laboratory animal care" (NIH publication No. 85-23, revised 1985) were followed, as well as specific national laws (e.g. the current version of the German Law on the Protection of Animals) where applicable. The editors reserve the right to reject manuscripts that do not comply with the above-mentioned requirements. The author will be held responsible for false statements or for failure to fulfil the above-mentioned requirements.