A small but significant fraction of screw placement in the proximal femur for hip fractures results in iatrogenic fractures associated with the screw hole . There is evidence that the failure occurs under fatigue, and it is likely that those individuals experiencing failure have greater stresses in the proximal femur as dictated by key morphometric variables, such as cortical thickness and bone size. Finite element analysis (FEA) could greatly facilitate fracture risk assessment in the presurgical phase by predicting the local stresses, however, executing FEM in a patient customized fashion would be costly, time consuming, and technically difficult for surgeons to perform.
- Bioengineering Division
Strength of Materials Based Prediction of Critical Stresses at the Proximal Femur: Validation by Finite Element Analysis
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Tsai, AG, Ashworth, T, & Akkus, O. "Strength of Materials Based Prediction of Critical Stresses at the Proximal Femur: Validation by Finite Element Analysis." Proceedings of the ASME 2013 Summer Bioengineering Conference. Volume 1A: Abdominal Aortic Aneurysms; Active and Reactive Soft Matter; Atherosclerosis; BioFluid Mechanics; Education; Biotransport Phenomena; Bone, Joint and Spine Mechanics; Brain Injury; Cardiac Mechanics; Cardiovascular Devices, Fluids and Imaging; Cartilage and Disc Mechanics; Cell and Tissue Engineering; Cerebral Aneurysms; Computational Biofluid Dynamics; Device Design, Human Dynamics, and Rehabilitation; Drug Delivery and Disease Treatment; Engineered Cellular Environments. Sunriver, Oregon, USA. June 26–29, 2013. V01AT09A006. ASME. https://doi.org/10.1115/SBC2013-14208
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