Comparison of Short-Segment Pedicle Instrumentation with Supplemental Hook Fixation under Axial Compression in Relation to Graft Positioning and Posterior Ligamentous Integrity: A Biomechanical Study on the Calf Spine

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dc.authorid0000-0002-7598-2366en_US
dc.authorscopusid57219652000en_US
dc.authorwosid-en_US
dc.contributor.authorMuratlı, Sedit Kıvanç
dc.contributor.authorBerk, Haluk
dc.date.accessioned2023-07-12T08:15:21Z
dc.date.available2023-07-12T08:15:21Z
dc.date.issued2021en_US
dc.departmentFakülteler, Tıp Fakültesi, Cerrahi Tıp Bilimleri Bölümü
dc.description.abstractStudy Design: Biomechanical study. Purpose: This study investigates the benefits of supplemental hook fixation (SHF) on short-segment pedicle instrumentation (SSPI) in relation to anterior strut graft positioning. In addition, it seeks to determine whether the integrity of the posterior ligamentous complex (PLC) affects the stability of the spinal construct. Overview of Literature: Implant and/or bone failure with progressive kyphotic deformity after SSPI is common. To prevent this, several approaches are available, including SHF, anterior strut grafting, use of longer spinal constructs, and extension of the fusion to additional adjacent segments. Methods: A total of eight calf spines were instrumented with SSPI (n=4) and SHF (n=4) with strain gauges on the implants. Strain measurements were performed under axial compression in the following order: intact spine, corpectomy, ventral positioned strut grafting, posterior positioned strut grafting, ventral positioned grafting with resected PLC, and corpectomy with resected PLC. Results: The SHF group showed slightly lower strain values than SSPI in instrumented corpectomy-only specimens, but there were no statistically significant differences between them (p >0.05). The SHF group was significantly more stable than SSPI when strut grafting is employed, regardless of the location of the grafts (p =0.000). In the SSPI group, ventral positioning of the graft contributed significantly to the stability (p =0.000). There was no statistically significant difference between the ventral or posterior positioning of the graft in the SHF group (p =0.187). In addition, the integrity of the PLC did not affect stability in either group (p >0.005). Conclusions: Although not statistically significant, our investigation demonstrated that the most stable method was the SHF along with ventral positioned strut graft. However, if the SSPI is the treatment of choice, ventral positioned strut graft support will be useful in minimizing the risk of implant failure and progressive kyphotic deformity.en_US
dc.identifier.citationMuratlı, S. K., & Berk, H. (2021). Comparison of short-segment pedicle instrumentation with supplemental hook fixation under axial compression in relation to graft positioning and posterior ligamentous integrity: A biomechanical study on the calf spine. Asian Spine Journal, 15(1), 64-71. doi:10.31616/asj.2019.0222en_US
dc.identifier.doi10.31616/asj.2019.0222
dc.identifier.endpage71en_US
dc.identifier.issn1976-1902
dc.identifier.issn1976-7846
dc.identifier.issue1en_US
dc.identifier.pmid31992025
dc.identifier.scopus2-s2.0-85101848198
dc.identifier.startpage64en_US
dc.identifier.urihttps://doi.org/10.31616/asj.2019.0222
dc.identifier.urihttps://hdl.handle.net/20.500.12428/4370
dc.identifier.volume15en_US
dc.identifier.wosWOS:000619818500009
dc.identifier.wosqualityN/A
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorMuratlı, Sedit Kıvanç
dc.language.isoen
dc.publisherKorean Society of Spine Surgeryen_US
dc.relation.ispartofAsian Spine Journalen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.rightsAttribution 3.0 United States*
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/us/*
dc.subjectBiomechanicsen_US
dc.subjectBone graftingen_US
dc.subjectInstrumentationen_US
dc.subjectLumbar vertebraeen_US
dc.subjectSpinal fracturesen_US
dc.titleComparison of Short-Segment Pedicle Instrumentation with Supplemental Hook Fixation under Axial Compression in Relation to Graft Positioning and Posterior Ligamentous Integrity: A Biomechanical Study on the Calf Spine
dc.typeArticle

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