Safety and feasibility of lumbar spine for intralaminar screw fixation: a computed tomography-based morphometric study

dc.authoridkaymaz, burak/0000-0001-6207-8063
dc.contributor.authorKomurcu, Erkam
dc.contributor.authorKaymaz, Burak
dc.contributor.authorAdam, Gurhan
dc.contributor.authorGolge, Umut Hatay
dc.contributor.authorGoksel, Ferdi
dc.contributor.authorOzden, Raif
dc.date.accessioned2024-09-18T20:11:42Z
dc.date.available2024-09-18T20:11:42Z
dc.date.issued2015
dc.departmentHatay Mustafa Kemal Üniversitesien_US
dc.description.abstractObjective: The use of intralaminar screws (ILS) in spinal surgery has experienced a recent increase in popularity. The aim of this study is to define the morphological parameters of the lumbar laminas so that guidance may be defined for ILS placement. Methods: The study involved the evaluation of lumbar computed tomography (CT) images of patients. Two hundred thirty-five patients (127 male, 108 female) were included in the study. The mean patient age was 44.2 years (19-78 years). The measured parameters of the lamina were the transverse inner diameter, transverse outer diameter (lamina width), lamina length, subdural space (safe zone), and spinolaminar angle for each lumbar level (L1-L5). Results: The mean transverse outer diameter (L1-L5) ranged from 7.2-7.8 mm, and mean transverse inner diameter ranged from 2.5-3.0 mm. The lamina of L3 had the largest width and the lamina of L1 and L5 the smallest. The mean lamina length was 26.6 mm, ranging from 21.0-34.0 mm, and the mean spinolaminar angle was 124.7 degrees, ranging from 111-135 degrees. The L1 level had the shortest mean lamina length and L4 the lowest spinolaminar angle. Mean subdural space (safe zone), which was narrowest at the L5 level, was 2.4 mm, ranging from 1.3-3.6 mm. Conclusion: ILS of the appropriate size (3.5-4.5 mm) and length (20 and 25 mm) can be used safely in the lumbar spine. However, further biomechanical studies should be performed to measure strength of the fixation.en_US
dc.identifier.doi10.3944/AOTT.2015.14.0201
dc.identifier.endpage529en_US
dc.identifier.issn1017-995X
dc.identifier.issue5en_US
dc.identifier.pmid26422348en_US
dc.identifier.scopus2-s2.0-84944684079en_US
dc.identifier.scopusqualityQ2en_US
dc.identifier.startpage522en_US
dc.identifier.urihttps://doi.org/10.3944/AOTT.2015.14.0201
dc.identifier.urihttps://hdl.handle.net/20.500.12483/9025
dc.identifier.volume49en_US
dc.identifier.wosWOS:000363025000011en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakScopusen_US
dc.indekslendigikaynakPubMeden_US
dc.language.isoenen_US
dc.publisherTurkish Assoc Orthopaedics Traumatologyen_US
dc.relation.ispartofActa Orthopaedica Et Traumatologica Turcicaen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/openAccessen_US
dc.subjectComputed tomographyen_US
dc.subjectintralaminar screwen_US
dc.subjectlaminaen_US
dc.subjectlumbar vertebraeen_US
dc.subjectmorphologyen_US
dc.subjectsalvage procedureen_US
dc.titleSafety and feasibility of lumbar spine for intralaminar screw fixation: a computed tomography-based morphometric studyen_US
dc.typeArticleen_US

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