Comparison of initial fixation properties of sutured and nonsutured soft tissue anterior cruciate ligament grafts with femoral cross-pin fixation

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
Jens DargelJürgen Koebke

Abstract

To determine whether or not suturing a soft tissue graft in a whipstitch fashion is an essential procedure in order to ensure sufficient initial fixation strength of the cross-pin fixation technique in anterior cruciate ligament reconstruction. Porcine digital extensor tendons were used as 4-stranded soft tissue grafts. Specimens were fixated within 52 porcine femoral bone tunnels using a cross-pin fixation technique (RigidFix; Ethicon, Norderstedt, Germany). In group I (n = 28), the looped-over part of the grafts was sutured using a whipstitch technique; in group II (n = 28) the grafts were not sutured. Initial fixation properties were determined using either a single cycle load to failure protocol or a dynamic loading protocol, submitting the graft to 1,000 cycles of flexion-extension loading between 0 degrees and 90 degrees , followed by ultimate loading to failure. The graft-pin interaction and the graft-tunnel interface was histomorphologically visualized in unloaded and dynamically loaded grafts. After dynamic loading, the residual displacement in sutured grafts was lower when compared to nonsutured grafts. The ultimate failure loads were significantly lower in nonsutured grafts when compared to sutured grafts after dynam...Continue Reading

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Citations

Aug 22, 2009·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Yuki KatoFreddie H Fu
Sep 29, 2009·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Yuki KatoFreddie H Fu
Mar 30, 2013·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Lawrence CamardaMichele D'Arienzo
Oct 6, 2009·Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association·Jens DargelRüdiger Schmidt-Wiethoff
Aug 2, 2017·Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA·Can YapiciFreddie H Fu

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