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Finite element analysis and cadaveric cinematic analysis of fixation options for anteriorly implanted trabecular metal interbody cages

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Finite element analysis and cadaveric cinematic analysis of fixation options for anteriorly implanted trabecular metal interbody cages

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dc.contributor.author Berjano, Pedro es_ES
dc.contributor.author Francisco Blanco, Juan es_ES
dc.contributor.author Rendon, Diego es_ES
dc.contributor.author Villafane, Jorge Hugo es_ES
dc.contributor.author Pescador, David es_ES
dc.contributor.author Atienza Vicente, Carlos Manuel es_ES
dc.date.accessioned 2016-10-07T12:46:38Z
dc.date.available 2016-10-07T12:46:38Z
dc.date.issued 2015-11
dc.identifier.issn 0940-6719
dc.identifier.uri http://hdl.handle.net/10251/71421
dc.description.abstract Purpose To assess, with finite element analysis and an in vitro biomechanical study in cadaver, whether the implementation of an anterior interbody cage made of hedrocel with nitinol shape memory staples in compression increases the stiffness of the stand-alone interbody cage and to compare these constructs' stiffness to other constructs common in clinical practice. Methods A biomechanical study with a finite element analysis and cadaveric testing assessed the stiffness of different fixation modes for the L4-L5 functional spinal unit: intact spine, destabilized spine with discectomy, posterior pedicle-screw fixation, anterior stand-alone interbody cage, anterior interbody cage with bilateral pedicle screws and anterior interbody cage with two shape memory staples in compression. These modalities of vertebral fixation were compared in four loading modes (flexion, extension, lateral bending, and axial rotation). Results The L4-L5 spinal unit with an anterior interbody cage and two stapleswas stiffer than the stand-alone cage. The construct stiffness was similar to that of a model of posterior pedicular stabilization. The stiffness was lower than that of the anterior cage plus bilateral pedicle-screw fixation. Conclusion The use of an anterior interbody implant with shape memory staples in compression may be an alternative to isolated posterior fixation and to anterior isolated implants, with increased stiffness. es_ES
dc.language Inglés es_ES
dc.publisher Springer Verlag es_ES
dc.relation.ispartof European Spine Journal es_ES
dc.rights Reserva de todos los derechos es_ES
dc.subject Anterior lumbar fusion es_ES
dc.subject Biomechanics es_ES
dc.subject Lumbar vertebrae es_ES
dc.subject Anatomic study es_ES
dc.subject.classification INGENIERIA MECANICA es_ES
dc.title Finite element analysis and cadaveric cinematic analysis of fixation options for anteriorly implanted trabecular metal interbody cages es_ES
dc.type Artículo es_ES
dc.identifier.doi 10.1007/s00586-015-4277-3
dc.rights.accessRights Cerrado es_ES
dc.contributor.affiliation Universitat Politècnica de València. Departamento de Ingeniería Mecánica y de Materiales - Departament d'Enginyeria Mecànica i de Materials es_ES
dc.contributor.affiliation Universitat Politècnica de València. Instituto Universitario Mixto de Biomecánica de Valencia - Institut Universitari Mixt de Biomecànica de València es_ES
dc.description.bibliographicCitation Berjano, P.; Francisco Blanco, J.; Rendon, D.; Villafane, JH.; Pescador, D.; Atienza Vicente, CM. (2015). Finite element analysis and cadaveric cinematic analysis of fixation options for anteriorly implanted trabecular metal interbody cages. European Spine Journal. 24:S918-S923. doi:10.1007/s00586-015-4277-3 es_ES
dc.description.accrualMethod S es_ES
dc.relation.publisherversion http://dx.doi.org/10.1007/s00586-015-4277-3 es_ES
dc.description.upvformatpinicio S918 es_ES
dc.description.upvformatpfin S923 es_ES
dc.type.version info:eu-repo/semantics/publishedVersion es_ES
dc.description.volume 24 es_ES
dc.relation.senia 305944 es_ES
dc.identifier.eissn 1432-0932
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