Interference screw fixation of hamstring vs patellar tendon grafts for anterior cruciate ligament reconstruction

被引：59

作者：

Aune A.K. ^{[1
,2
]}

Ekeland A. ^{[3
]}

Cawley P.W. ^{[4
]}

机构：

[1] Orthopaedic Department, Buskerud Central Hospital

[2] Institute for Surgical Research, University of Oslo, Oslo

[3] Martina Hansens Hospital, Sandvika

[4] Smith and Nephew Donjoy Inc., Carlsbad, CA

来源：

Knee Surgery, Sports Traumatology, Arthroscopy | 1998年 / 6卷 / 2期

关键词：

Anterior cruciate ligament; Graft fixation; Hamstrings; Patellar tendon; Quadruple semitendinosus-gracilis graft;

D O I：

10.1007/s001670050080

中图分类号：

学科分类号：

摘要：

The present study was designed to investigate the fixation strength of a quadruple semitendinosus-gracilis graft compared with a middle-third bone-patellar tendon-bone graft using a new interference screw developed to fix hamstrings grafts for ACL reconstructions (RCI, Smith & Nephew Donjoy). Five pairs of human cadaveric knees from donors with a mean age of 43 (range 33-52) years were used. One knee of each pair was randomly allocated to be reconstructed on the femoral side with a semitendinosus-gracilis graft from the same donor using RCI screw fixation. As the control, the contralateral knee was correspondingly reconstructed with a bone-patellar tendon-bone graft using the same interference screw. The grafts were pulled out at a velocity of 30 mm/s by an axially applied load using a MTS machine. The mean (SD) failure load for the bone-patellar tendon-bone graft fixations was 505 (25) N, 110% stronger than the mean failure load for the semitendinosus-gracilis graft fixations, which was 240 (47) N (P = 0.003). The stiffness for the patellar tendon-bone graft fixations was 46 (11) N/mm, 120% stiffer than the semitendinosus-gracilis graft fixations, which was 22 (11) N/mm (P = 0.01). This study shows that the interference screw principle used for ACL reconstructions with hamstrings tendons is inferior to that for bone-patellar tendon-bone reconstructions although the screw was developed especially for soft-tissue fixation in bone tunnels.

引用

页码：99 / 102

页数：3

共 19 条

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