Biomechanical Performance of Total Wrist Arthrodesis Plates With and Without Arthrodesis of the Carpometacarpal Joint.

IF 1.8 Q2 ORTHOPEDICS

HAND Pub Date : 2025-03-01 Epub Date: 2023-10-07 DOI:10.1177/15589447231198263

David H Owen, Dongyang Wang, Xu Cong, Cameron Mowbray, Diana M Perriman, Chris J Roberts, Paul N Smith, Herwig Drobetz, David Ackland

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引用次数: 0

Abstract

Background: It is unknown whether total wrist arthrodesis (TWA) should be performed with or without arthrodesis of the carpometacarpal joint (CMCJ). The aim of this study is to compare CMCJ-spanning TWA plates using 3D printed wrist arthrodesis model with and without arthrodesis of the CMCJ.

Methods: Total wrist arthrodesis plates mounted to 3D printed models were tested under a 4-N bending load at 4 Hz for 50 000 cycles, increased by 15% every 10 000 cycles until failure.

Results: Plates with arthrodesis CMCJ were stiffer and failed at a significantly greater load and number of cycles than plates mounted to models without CMCJ arthrodesis. The Synthes stainless steel locking TWA plate performed better than the Trimed plate applied to the model without CMCJ arthrodesis and the Acumed plate applied to the model with CMCJ arthrodesis. Based on these findings, we recommend arthrodesis of the CMCJ in TWA.

Conclusions: Incorporation of the CMCJ in TWA may protect against plate failure. If arthrodesis of the CMCJ is not performed, plate removal should be considered before breakage occurs.

Level of evidence: IV.

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腕关节固定钢板在腕关节固定和不固定的情况下的生物力学性能。

背景：目前尚不清楚全腕关节融合术（TWA）是否应在有或无腕掌关节融合术的情况下进行。本研究的目的是比较使用3D打印的腕关节融合术模型的CMCJ跨TWA钢板与不使用CMCJ的关节融合术。方法：安装在3D打印模型上的全腕关节融合术钢板在4Hz的4-N弯曲载荷下测试50 000次循环，每10次增加15% 000次循环直到失效。结果：与安装在没有CMCJ关节融合术的模型上的钢板相比，带有CMCJ关节融合的钢板更硬，并且在显著更大的载荷和循环次数下失效。Synthes不锈钢锁定TWA钢板的性能优于应用于无CMCJ关节融合术的模型的Trimed钢板和应用于有CMCJ关节融合的模型的Acumed钢板。基于这些发现，我们建议在TWA中采用CMCJ关节融合术。如果不进行CMCJ关节融合术，则应在骨折发生前考虑取出钢板。证据级别：四。

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

HAND Medicine-Surgery

CiteScore

3.30

自引率

0.00%

发文量

209

期刊介绍： HAND is the official journal of the American Association for Hand Surgery and is a peer-reviewed journal featuring articles written by clinicians worldwide presenting current research and clinical work in the field of hand surgery. It features articles related to all aspects of hand and upper extremity surgery and the post operative care and rehabilitation of the hand.