Title |
Compression and contact area of anterior strut grafts in spinal instrumentation: a biomechanical study
|
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Published in |
BMC Musculoskeletal Disorders, August 2013
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DOI | 10.1186/1471-2474-14-254 |
Pubmed ID | |
Authors |
Antonius Pizanis, Jörg H Holstein, Felix Vossen, Markus Burkhardt, Tim Pohlemann |
Abstract |
Anterior bone grafts are used as struts to reconstruct the anterior column of the spine in kyphosis or following injury. An incomplete fusion can lead to later correction losses and compromise further healing. Despite the different stabilizing techniques that have evolved, from posterior or anterior fixating implants to combined anterior/posterior instrumentation, graft pseudarthrosis rates remain an important concern. Furthermore, the need for additional anterior implant fixation is still controversial. In this bench-top study, we focused on the graft-bone interface under various conditions, using two simulated spinal injury models and common surgical fixation techniques to investigate the effect of implant-mediated compression and contact on the anterior graft. |
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