Matava M J, Hutton W C
Department of Orthopaedics, Emory University School of Medicine, Atlanta, USA.
Br J Sports Med. 1995 Sep;29(3):178-84. doi: 10.1136/bjsm.29.3.178.
The purpose of this study was to compare the tensile strength of the central one third patellar tendon--as used for reconstruction of the anterior cruciate ligament--to that of the residual patellar tendon. Ten matched pairs of human cadaveric knees were used for this study, each specimen consisting of an intact patella-patellar tendon-proximal tibial unit. One knee from each pair was randomly selected for removal of both the medial and lateral one third of the patellar tendon, leaving the central one third intact. The contralateral knee of each pair underwent removal of the central one third of the patellar tendon, leaving the residual two thirds intact. Each specimen was then mounted in a materials testing machine and tensile tested to failure at a strain rate of 100%.s-1. The most important result to emerge from these experiments was that there was no significant difference in maximum force to failure for the residual patellar tendon compared to the central one third. Thus any thought that removal of the central one third as a graft still leaves a tendon twice as wide and therefore twice as strong as a graft is dispelled by these experiments.
本研究的目的是比较用于前交叉韧带重建的髌腱中央三分之一与剩余髌腱的拉伸强度。本研究使用了十对匹配的人类尸体膝关节，每个标本由完整的髌骨-髌腱-胫骨近端单元组成。从每对中随机选择一个膝关节，切除髌腱的内侧和外侧三分之一，使中央三分之一保持完整。每对的对侧膝关节切除髌腱的中央三分之一，使剩余的三分之二保持完整。然后将每个标本安装在材料试验机上，并以100%·s-1的应变速率进行拉伸试验直至失效。这些实验得出的最重要结果是，与中央三分之一相比，剩余髌腱的最大破坏力没有显著差异。因此，这些实验消除了任何认为切除中央三分之一作为移植物后，剩余的肌腱宽度是移植物的两倍，因此强度也是移植物两倍的想法。
