Please use this identifier to cite or link to this item:
https://hdl.handle.net/2440/118464
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dc.contributor.author | Munro, J. | - |
dc.contributor.author | Fernandez, J. | - |
dc.contributor.author | Millar, J. | - |
dc.contributor.author | Walker, C. | - |
dc.contributor.author | Howie, D. | - |
dc.contributor.author | Shim, V. | - |
dc.date.issued | 2014 | - |
dc.identifier.citation | Journal of Biomechanical Engineering, 2014; 136(11):114502-1-114502-7 | - |
dc.identifier.issn | 0148-0731 | - |
dc.identifier.issn | 1528-8951 | - |
dc.identifier.uri | http://hdl.handle.net/2440/118464 | - |
dc.description.abstract | Periprosthetic osteolysis in the retroacetabular region with cancellous bone loss is a recognized phenomenon in the long-term follow-up of total hip replacement. The effects on load transfer in the presence of defects are less well known. A validated, patient-specific, 3D finite element (FE) model of the pelvis was used to assess changes in load transfer associated with periprosthetic osteolysis adjacent to a cementless total hip arthroplasty (THA) component. The presence of a cancellous defect significantly increased (p < 0.05) von Mises stress in the cortical bone of the pelvis during walking and a fall onto the side. At loads consistent with single leg stance, this was still less than the predicted yield stress for cortical bone. During higher loads associated with a fall onto the side, highest stress concentrations occurred in the superior and inferior pubic rami and in the anterior column of the acetabulum with larger cancellous defects. | - |
dc.description.statementofresponsibility | Jacob T. Munro1, Justin W. Fernandez, James S. Millar, Cameron G. Walker, Donald W. Howie and Vickie B. Shim | - |
dc.language.iso | en | - |
dc.publisher | American Society of Mechanical Engineers | - |
dc.rights | © 2014 ASME The American Society of Mechanical Engineers | - |
dc.source.uri | http://dx.doi.org/10.1115/1.4028522 | - |
dc.subject | Finite element model; subject specific; cementless acetabular component; pelvic bone; osteolysis | - |
dc.title | Altered load transfer in the pelvis in the presence of periprosthetic osteolysis | - |
dc.type | Journal article | - |
dc.identifier.doi | 10.1115/1.4028522 | - |
pubs.publication-status | Published | - |
dc.identifier.orcid | Howie, D. [0000-0003-1702-3279] | - |
Appears in Collections: | Aurora harvest 4 Mechanical Engineering publications |
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