The effect of cement on hip stem fixation: a biomechanical study

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dc.contributor.authorÇelik, Talip
dc.contributor.authorMutlu, İbrahim
dc.contributor.authorÖzkan, Arif
dc.contributor.authorKişioğlu, Yasin
dc.date.accessioned2020-04-30T23:32:52Z
dc.date.available2020-04-30T23:32:52Z
dc.date.issued2017
dc.departmentDÜ, Mühendislik Fakültesi, Biyomedikal Mühendisliği Bölümüen_US
dc.descriptionCelik, Talip/0000-0003-0033-2454en_US
dc.descriptionWOS: 000404137700010en_US
dc.descriptionPubMed: 28321636en_US
dc.description.abstractThis study presents the numerical analysis of stem fixation in hip surgery using with/without cement methods since the use of cement is still controversial based on the clinical studies in the literature. Many different factors such as stress shielding, aseptic loosening, material properties of the stem, surgeon experiences etc. play an important role in the failure of the stem fixations. The stem fixation methods, cemented and uncemented, were evaluated in terms of mechanical failure aspects using computerized finite element method. For the modeling processes, three dimensional (3D) femur model was generated from computerized tomography (CT) images taken from a patient using the MIMICS Software. The design of the stem was also generated as 3D CAD model using the design parameters taken from the manufacturer catalogue. These 3D CAD models were generated and combined with/without cement considering the surgical procedure using SolidWorks program and then imported into ANSYS Workbench Software. Two different material properties, CoCrMo and Ti6Al4V, for the stem model and Poly Methyl Methacrylate (PMMA) for the cement were assigned. The material properties of the femur were described according to a density calculated from the CT images. Body weight and muscle forces were applied on the femur and the distal femur was fixed for the boundary conditions. The calculations of the stress distributions of the models including cement and relative movements of the contacts examined to evaluate the effects of the cement and different stem material usage on the failure of stem fixation. According to the results, the use of cement for the stem fixation reduces the stress shielding but increases the aseptic loosening depending on the cement crack formations. Additionally, using the stiffer material for the stem reduces the cement stress but increases the stress shielding. Based on the results obtained in the study, even when taking the disadvantages into account, the cement usage is more suitable for the hip fixations.en_US
dc.description.sponsorshipScientific Research Projects Unit of Kocaeli UniversityKocaeli University [2015/098, 2015/074HD]; Scientific and Technological Research Council of Turkey (TUBITAK) 2211-C Scholarship programen_US
dc.description.sponsorshipThis work is supported by the Scientific Research Projects Unit of Kocaeli University under project no. 2015/098 and 2015/074HD. The corresponding author thanks The Scientific and Technological Research Council of Turkey (TUBITAK) 2211-C Scholarship program.en_US
dc.identifier.doi10.1007/s13246-017-0539-1en_US
dc.identifier.endpage357en_US
dc.identifier.issn0158-9938
dc.identifier.issn1879-5447
dc.identifier.issue2en_US
dc.identifier.scopusqualityN/Aen_US
dc.identifier.startpage349en_US
dc.identifier.urihttps://doi.org/10.1007/s13246-017-0539-1
dc.identifier.urihttps://hdl.handle.net/20.500.12684/4836
dc.identifier.volume40en_US
dc.identifier.wosWOS:000404137700010en_US
dc.identifier.wosqualityQ4en_US
dc.indekslendigikaynakWeb of Scienceen_US
dc.indekslendigikaynakPubMeden_US
dc.indekslendigikaynakScopusen_US
dc.language.isoenen_US
dc.publisherSpringeren_US
dc.relation.ispartofAustralasian Physical & Engineering Sciences In Medicineen_US
dc.relation.publicationcategoryMakale - Uluslararası Hakemli Dergi - Kurum Öğretim Elemanıen_US
dc.rightsinfo:eu-repo/semantics/closedAccessen_US
dc.subjectHip surgeryen_US
dc.subjectCementen_US
dc.subjectCemented methoden_US
dc.subjectUncemented methoden_US
dc.subjectFinite element analysisen_US
dc.subjectHip stemen_US
dc.titleThe effect of cement on hip stem fixation: a biomechanical studyen_US
dc.typeArticleen_US

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