Effects of angle and laminectomy on triangulated pedicle screws

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dc.authoridInceoglu, Serkan/0000-0001-7605-8987
dc.authoridSohn, Moon-Jun/0000-0002-1796-766X
dc.authorwosidInceoglu, Serkan/B-9700-2015
dc.authorwosidKILINÇER, Cumhur/C-7969-2014
dc.contributor.authorKilincer, Curnhur
dc.contributor.authorInceoglu, Serkan
dc.contributor.authorSohn, Moon Jun
dc.contributor.authorFerrara, Lisa A.
dc.contributor.authorBenzel, Edward C.
dc.date.accessioned2024-06-12T10:51:44Z
dc.date.available2024-06-12T10:51:44Z
dc.date.issued2007
dc.departmentTrakya Üniversitesien_US
dc.description.abstractWe aimed to demonstrate the effect of angle and laminectomy on paired pedicle screws to determine whether a 90 degrees screw angle is optimal as has been previously suggested. According to the angle between right and left screws, 28 calf vertebrae were divided into three groups and instrumented as follows: Group I: 60 degrees screw angle; Group II: 90 degrees angle; Group III: 60 degrees angle with laminectomy. The screws were connected using rods and cross-fixators and tested to peak pullout force. Triangulated pedicle screws provided 76.5% more pullout strength than single screws. Most of the specimens failed through loss of convergence angle (toggling of screws on the rods) and subsequent uni- or bilateral screw pullout. Mean +/- SD peak loads were: Group I: 2071 +/- 622 N; Group II: 1753 +/- 497 N; Group III: 2186 +/- 587 N. The differences were not significant (p > 0.05). 90 degrees triangulation was not associated with a superior pullout performance versus conventional 60 degrees triangulation, suggesting that achieving additional triangulation angle is not necessary to obtain increased pullout strength. Laminectomy did not alter the effect of triangulation on fixation strength. (c) 2006 Elsevier Ltd. All rights reserved.en_US
dc.identifier.doi10.1016/j.jocn.2006.10.008
dc.identifier.endpage1191en_US
dc.identifier.issn0967-5868
dc.identifier.issue12en_US
dc.identifier.pmid17719788en_US
dc.identifier.scopus2-s2.0-36048998736en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage1186en_US
dc.identifier.urihttps://doi.org/10.1016/j.jocn.2006.10.008
dc.identifier.urihttps://hdl.handle.net/20.500.14551/18470
dc.identifier.volume14en_US
dc.identifier.wosWOS:000251647300009en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherChurchill Livingstoneen_US
dc.relation.ispartofJournal Of Clinical Neuroscienceen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectAnimal Modelsen_US
dc.subjectBiomechanicsen_US
dc.subjectBone Screwen_US
dc.subjectInternal Fracture Fixationen_US
dc.subjectTestingen_US
dc.subjectTriangulationen_US
dc.subjectPullout Strengthen_US
dc.subjectBiomechanical Analysisen_US
dc.subjectLumbar Spineen_US
dc.subjectFixationen_US
dc.subjectFusionen_US
dc.titleEffects of angle and laminectomy on triangulated pedicle screwsen_US
dc.typeArticleen_US

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