A Novel Spiked Washer and Screw Technique Provides a Biomechanically Superior Posterolateral Corner and Arcuate Fracture Repair.

IF 1.1 4区 医学 Q3 ORTHOPEDICS
Orthopedics Pub Date : 2024-09-01 Epub Date: 2024-07-29 DOI:10.3928/01477447-20240718-07
Ryne C Jenkins, Bryan K Duell, Michael F Divella, Dennis T Murphy, Nicholas J Montemurro, Charles J Ruotolo
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引用次数: 0

Abstract

Posterolateral corner and arcuate fractures can cause significant disruption to the stability and kinematics of the knee. This study aimed to determine the biomechanical performance of a novel spiked washer (SW) and intramedullary screw technique compared with a tension slide technique (TST) for the repair of arcuate fractures. Sixteen matched fresh-frozen cadaver knees underwent repair. Each specimen underwent transection of the posterolateral corner and lateral capsule along with a proximal fibula osteotomy to simulate an arcuate fracture. Eight specimens underwent repair with a SW technique and 8 underwent repair with a TST. Each specimen underwent cyclic loading followed by load to failure. Gap formation, ultimate load to failure, energy to failure, and stiffness were assessed. The SW technique had significantly less gap formation and higher load to failure. Furthermore, the SW technique had significantly higher stiffness and energy to failure. A SW and screw technique provided a significantly stronger construct with less gap formation when compared with a TST. [Orthopedics. 2024;47(5):e277-e281.].

新颖的尖头垫圈和螺钉技术提供了一种生物力学上极佳的后外侧角和弓形骨折修复方法。
后外侧角和弧形骨折会严重破坏膝关节的稳定性和运动学特性。本研究旨在确定在修复弧形骨折时,新型带钉垫圈(SW)和髓内螺钉技术与张力滑动技术(TST)的生物力学性能比较。16 个匹配的新鲜冷冻尸体膝关节接受了修复。每个标本都进行了后外侧角和外侧囊横断以及腓骨近端截骨,以模拟弧形骨折。8 个标本采用 SW 技术进行修复,8 个标本采用 TST 技术进行修复。每个试样都接受了循环加载,然后加载至破坏。对间隙形成、破坏极限载荷、破坏能量和刚度进行了评估。SW 技术的缝隙形成明显较少,破坏载荷明显较高。此外,SW 技术的刚度和破坏能量也明显更高。与 TST 相比,SW 和螺钉技术提供的结构强度更高,间隙形成更少。[骨科。202x;4x(x):xx-xx]。
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
Orthopedics
Orthopedics 医学-整形外科
CiteScore
2.20
自引率
0.00%
发文量
160
审稿时长
3 months
期刊介绍: For over 40 years, Orthopedics, a bimonthly peer-reviewed journal, has been the preferred choice of orthopedic surgeons for clinically relevant information on all aspects of adult and pediatric orthopedic surgery and treatment. Edited by Robert D''Ambrosia, MD, Chairman of the Department of Orthopedics at the University of Colorado, Denver, and former President of the American Academy of Orthopaedic Surgeons, as well as an Editorial Board of over 100 international orthopedists, Orthopedics is the source to turn to for guidance in your practice. The journal offers access to current articles, as well as several years of archived content. Highlights also include Blue Ribbon articles published full text in print and online, as well as Tips & Techniques posted with every issue.
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