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Pedicle screw-based posterior dynamic stabilisation of the lumbar spine: in vitro cadaver investigation and a finite element study

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dc.contributor.coauthorKiapour, A.
dc.contributor.coauthorKaner, T.
dc.contributor.coauthorGoel, V. K.
dc.contributor.departmentDepartment of Mechanical Engineering
dc.contributor.departmentSchool of Medicine
dc.contributor.departmentKUH (Koç University Hospital)
dc.contributor.facultymemberYes
dc.contributor.kuauthorErbulut, Deniz Ufuk
dc.contributor.kuauthorLazoğlu, İsmail
dc.contributor.kuauthorÖktenoğlu, Bekir Tunç
dc.contributor.kuauthorÖzer, Ali Fahir
dc.contributor.kuauthorSasani, Mehdi
dc.contributor.schoolcollegeinstituteCollege of Engineering
dc.contributor.schoolcollegeinstituteSCHOOL OF MEDICINE
dc.contributor.schoolcollegeinstituteKUH (KOÇ UNIVERSITY HOSPITAL)
dc.date.accessioned2024-11-09T22:51:19Z
dc.date.issued2015
dc.description.abstractPedicle screw-based dynamic constructs either benefit from a dynamic (flexible) interconnecting rod or a dynamic (hinged) screw. Both types of systems have been reported in the literature. However, reports where the dynamic system is composed of two dynamic components, i.e. a dynamic (hinged) screw and a dynamic rod, are sparse. In this study, the biomechanical characteristics of a novel pedicle screw-based dynamic stabilisation system were investigated and compared with equivalent rigid and semi-rigid systems using in vitro testing and finite element modelling analysis. All stabilisation systems restored stability after decompression. A significant decrease in the range of motion was observed for the rigid system in all loadings. In the semi-rigid construct the range of motion was significantly less than the intact in extension, lateral bending and axial rotation loadings. There were no significant differences in motion between the intact spine and the spine treated with the dynamic system (P>0.05). The peak stress in screws was decreased when the stabilisation construct was equipped with dynamic rod and/or dynamic screws.
dc.description.fulltextNo
dc.description.harvestedfromManual
dc.description.indexedbyWOS
dc.description.indexedbyScopus
dc.description.indexedbyPubMed
dc.description.openaccessNO
dc.description.peerreviewstatusPeer-Reviewed
dc.description.publisherscopeInternational
dc.description.readpublishN/A
dc.description.sponsoredbyTubitakEuN/A
dc.description.sponsorshipAmerican Hospital in Istanbul
dc.description.sponsorshipSurface Science and Technology Center (KUYTAM), Koc University This study was supported by the American Hospital in Istanbul and the Surface Science and Technology Center (KUYTAM), Koc University.
dc.description.studentonlypublicationNo
dc.description.studentpublicationNo
dc.description.versionN/A
dc.identifier.WoSQuartileQ3
dc.identifier.doi10.1080/10255842.2014.890187
dc.identifier.eissn1476-8259
dc.identifier.embargoN/A
dc.identifier.endpage1261
dc.identifier.issn1025-5842
dc.identifier.issue11
dc.identifier.pubmed24708377
dc.identifier.scopus2-s2.0-84918542720
dc.identifier.startpage1252
dc.identifier.urihttps://doi.org/10.1080/10255842.2014.890187
dc.identifier.urihttps://hdl.handle.net/20.500.14288/6829
dc.identifier.volume18
dc.identifier.wos000346066800010
dc.keywordsLumbar spine
dc.keywordsDynamic pedicle screw-based system
dc.keywordsSpine biomechanics
dc.keywordsFinite element modelling
dc.keywordsCadaver investigation
dc.keywordsMotion segments
dc.keywordsAdjacent
dc.keywordsSystem
dc.keywordsNeutralization
dc.keywordsStability
dc.keywordsImplants
dc.keywordsStenosis
dc.keywordsFusion
dc.keywordsDisc
dc.keywordsBiomechanical evaluation
dc.language.isoeng
dc.publisherTaylor and Francis
dc.relation.affiliationKoç University
dc.relation.collectionKoç University Institutional Repository
dc.relation.ispartofComputer Methods in Biomechanics and Biomedical Engineering
dc.relation.openaccessN/A
dc.rightsN/A
dc.subjectComputer science
dc.subjectEngineering
dc.subjectBiomedical engineering
dc.titlePedicle screw-based posterior dynamic stabilisation of the lumbar spine: in vitro cadaver investigation and a finite element study
dc.typeJournal Article
dspace.entity.typePublication
local.contributor.kuauthorÖktenoğlu, Bekir Tunç
local.contributor.kuauthorErbulut, Deniz Ufuk
local.contributor.kuauthorLazoğlu, İsmail
local.contributor.kuauthorÖzer, Ali Fahir
local.contributor.kuauthorSasani, Mehdi
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