尺骨鹰嘴V形截骨术三种不同固定方法的生物力学评估：应用X线立体摄影测量分析
Biomechanical evaluation of three different fixation methods of the Chevron osteotomy of the olecranon: an analysis with Roentgen Stereophotogrammatic Analysis.
作者信息
Wagener Marc L, Driesprong Marco, Heesterbeek Petra J C, Verdonschot Nico, Eygendaal Denise
机构信息
Department of Orthopaedics, St. Radboud University Hospital, Pb 9101, 6500 HB Nijmegen, The Netherlands.
出版信息
Clin Biomech (Bristol). 2013 Aug;28(7):752-6. doi: 10.1016/j.clinbiomech.2013.06.011. Epub 2013 Jul 8.
BACKGROUND
In this study three different methods for fixating the Chevron osteotomy of the olecranon are evaluated. Transcortical fixed Kirschner wires with a tension band, a large cancellous screw with a tension band, and a large cancellous screw alone are compared using Roentgen Stereophotogrammatic Analysis (RSA).
METHODS
The different fixation methods were tested in 17 cadaver specimens by applying increasing repetitive force to the triceps tendon. Forces applied were 200N, 350N, and 500N. Translation and rotation of the osteotomy were recorded using Roentgen Stereophotogrammatic Analysis.
FINDINGS
Both the fixations with a cancellous screw with tension band and with bi-cortical placed Kirschner wires with a tension band provide enough stability to withstand the forces of normal daily use.
INTERPRETATION
Since fixation with a cancellous screw with tension band is a fast and easy method and is related to minimal soft tissue damage this method can preferably be used for fixation of a Chevron osteotomy of the olecranon.
背景
在本研究中，对鹰嘴V形截骨的三种不同固定方法进行了评估。使用X线立体摄影测量分析（RSA）比较了带张力带的经皮质克氏针、带张力带的大松质骨螺钉和单独的大松质骨螺钉。
方法
在17个尸体标本上测试不同的固定方法，对肱三头肌腱施加逐渐增加的重复力。施加的力分别为200N、350N和500N。使用X线立体摄影测量分析记录截骨的平移和旋转。
结果
带张力带的松质骨螺钉固定和带张力带的双皮质克氏针固定都提供了足够的稳定性，以承受日常使用的力量。
解读
由于带张力带的松质骨螺钉固定是一种快速简便的方法，且软组织损伤最小，因此该方法可优选用于鹰嘴V形截骨的固定。
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