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dc.contributor.authorGüvenç, Yahya
dc.contributor.authorAkyoldaş, Göktuğ
dc.contributor.authorŞentürk, Salim
dc.contributor.authorErbulut, Deniz
dc.contributor.authorYaman, Onur
dc.contributor.authorÖzer, Ali Fahir
dc.date.accessioned10.07.201910:49:13
dc.date.accessioned2019-07-10T19:49:54Z
dc.date.available10.07.201910:49:13
dc.date.available2019-07-10T19:49:54Z
dc.date.issued2019en_US
dc.identifier.citationGüvenç, Y., Akyoldaş, G., Şentürk, S., Erbulut, D., Yaman, O. ve Özer, A. F. (2019). How to reduce stress on the pedicle screws in thoracic spine? Importance of screw trajectory: A finite element analysis. Turkish Neurosurgery, 29(1), 20-25. https://dx.doi.org/10.5137/1019-5149.JTN.21895-17.2en_US
dc.identifier.issn1019-5149
dc.identifier.urihttps://dx.doi.org/10.5137/1019-5149.JTN.21895-17.2
dc.identifier.urihttps://hdl.handle.net/20.500.12511/1811
dc.descriptionWOS: 000454722700004en_US
dc.descriptionPubMed ID: 29368324en_US
dc.description.abstractAIM: To investigate the biomechanical comparison of thoracic transpedicular screw trajectories on the sagittal plane. MATERIAL and METHODS: A three-dimensional, non-linear finite element analysis (FEA) model of T8 through T9 was used. Anatomic trajectory (AT) and Straightforward trajectory (ST) models of the transpedicular screws were used in the intact FEA model. The von-Mises stress and range of motion (ROM) of the transpedicular screws were evaluated. RESULTS: The difference in ROM between both techniques was negligible. In lateral bending and axial rotation, FEA showed decrease in stress by 25% and 8%, respectively, when pedicle screws were placed using AT. CONCLUSION: AT decreased the von-Mises stress of the pedicle screws, thereby reducing the rates of screw breakage and fatigue risks. In addition, we believe that AT could protect against screw loosening because the von-Mises stress of the internal fixation was scattered.en_US
dc.description.sponsorshipTurkish Neurosurgical Societyen_US
dc.description.sponsorshipPreparation for publication of this article is partly supported by the Turkish Neurosurgical Society.en_US
dc.language.isoengen_US
dc.publisherTurkish Neurosurgical Societyen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectFinite Elementen_US
dc.subjectScrew Fixationen_US
dc.subjectSpineen_US
dc.subjectThoracicen_US
dc.subjectTrajectoryen_US
dc.titleHow to reduce stress on the pedicle screws in thoracic spine? Importance of screw trajectory: A finite element analysisen_US
dc.typearticleen_US
dc.relation.ispartofTurkish Neurosurgeryen_US
dc.departmentİstanbul Medipol Üniversitesi, Mühendislik ve Doğa Bilimleri Fakültesi, Biyomedikal Mühendisliği Bölümüen_US
dc.authorid0000-0002-5700-3515en_US
dc.identifier.volume29en_US
dc.identifier.issue1en_US
dc.identifier.startpage20en_US
dc.identifier.endpage25en_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.identifier.doi10.5137/1019-5149.JTN.21895-17.2en_US
dc.identifier.wosqualityQ4en_US
dc.identifier.scopusqualityQ3en_US


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