Biomechanical analysis and solution suggestions of screw replacement scenarios in femoral neck fracture surgeries: Finite element method

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dc.authorid0000-0003-1861-2083
dc.authorid0000-0003-0407-1685
dc.authorid0000-0002-7835-0831
dc.authorid0000-0001-7983-7265
dc.authorid0000-0003-3290-2343
dc.authorid0000-0002-2558-2487
dc.authorid0000-0002-6514-6663
dc.authorid0009-0009-6473-0997
dc.authorid0000-0002-6211-6645
dc.contributor.authorGüvercin, Yılmaz
dc.contributor.authorYaylacı, Murat
dc.contributor.authorDizdar, Ayberk
dc.contributor.authorÖzdemir, Mehmet Emin
dc.contributor.authorAy, Sevil
dc.contributor.authorUzun Yaylacı, Ecren
dc.contributor.authorKarahasanoğlu, Ümitcan
dc.contributor.authorUygun, Hüseyin
dc.contributor.authorPeker, Gökhan
dc.date.accessioned2025-03-18T05:41:29Z
dc.date.available2025-03-18T05:41:29Z
dc.date.issued2025
dc.departmentAÇÜ, Borçka Acarlar Meslek Yüksekokulu, Yapı Denetimi Bölümü
dc.description.abstractObjective: Despite several surgical options, there has yet to be a consensus on the best treatment for femoral neck fracture (FNF) due to higher complication rates compared to other bone fractures. This study aims to examine the possible consequences and solution suggestions of changing screws during surgery for various reasons in FNF surgical treatment from a biomechanical perspective. Method: FNF and treatment materials were analyzed biomechanically using a package program based on the finite element method (FEM). This study created a solid model with images of femur bone tomography. Dynamic hip screws (DHS), cannulated screws (CCS), and medial buttress plates (MBP) were obtained by making three-dimensional designs. The required elements for the models were assigned, and the material properties of the elements were defined. The solutions were obtained as crack distance and deformation results after defining the boundary conditions and applying the necessary loading. Results: The strain and crack distance values created by six models on the fracture line under different parameters were obtained, and the numerical results were evaluated. The DHS and CCS models produced the highest crack distance and deformation values when all screws were loose. The lowest values were obtained in the intact-85 model when all CCS were tight. When the results are evaluated, it is seen that the MBP has a decreasing effect on the results. Mechanical evaluation of six different options used in femoral neck fractures was performed. 85 mm CCS applied to our standard model gave the best results, while the use of 80 mm CCS in the same model showed promising results compared to other models. It is understood that CCS have the best stability even in loosening models with the medial support plate. Different models are from intact-85 mm DHS+1CS+MBP to DHS+1CS, which was worked with LSR+USR-2, according to decreasing stability. Conclusion: This study offers various biomechanical solutions to possible intraoperative problems in FNF treatment. The following results were obtained from the study data. When the CCS needs to be lengthened or replaced, it is appropriate to use the CCS with the MBP. A single anti-rotation screw is sufficient for lag screw extensions of the DHS plate, and the MBP may be a savior procedure in surgery.
dc.identifier.doi10.1111/os.14337
dc.identifier.endpage623
dc.identifier.issn17577853
dc.identifier.issue2
dc.identifier.pmid39762119
dc.identifier.scopus2-s2.0-85214381074
dc.identifier.scopusqualityQ2
dc.identifier.startpage614
dc.identifier.urihttps://hdl.handle.net/11494/5449
dc.identifier.volume17
dc.identifier.wosWOS:001390145700001
dc.identifier.wosqualityQ2
dc.indekslendigikaynakWeb of Science
dc.indekslendigikaynakScopus
dc.indekslendigikaynakPubMed
dc.institutionauthorAy, Sevil
dc.institutionauthorid0000-0003-3290-2343
dc.language.isoen
dc.publisherWILEY
dc.relation.ispartofOrthopaedic Surgery
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanı
dc.rightsinfo:eu-repo/semantics/openAccess
dc.subjectBiomechanics
dc.subjectFemoral neck fracture
dc.subjectFinite element method
dc.subjectMedial buttress plates
dc.subjectScrew
dc.titleBiomechanical analysis and solution suggestions of screw replacement scenarios in femoral neck fracture surgeries: Finite element method
dc.typeArticle

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