An efficient method to capture the impact of total knee replacement on a variety of simulated patient types: A finite element study

Highlights • A novel method to generate femur models incorporating ageing and osteoporosis is presented. • Application of this method to pre- and post-knee arthroplasty scenarios is then considered. • Stresses in the anterior region of the femoral cortex increase significantly post-implantation. • S...

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Bibliographic Details
Published in:Medical engineering & physics 2016-09, Vol.38 (9), p.959-968
Main Authors: Conlisk, Noel, Howie, Colin R, Pankaj, Pankaj
Format: Article
Language:English
Subjects:
Arthroplasty, Replacement, Knee
Biomechanical Phenomena
Femur - surgery
Finite Element Analysis
Humans
Mechanical Phenomena
osteoporosis
Radiology
Total knee arthroplasty
Variable properties
Young vs. old
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Summary:Highlights • A novel method to generate femur models incorporating ageing and osteoporosis is presented. • Application of this method to pre- and post-knee arthroplasty scenarios is then considered. • Stresses in the anterior region of the femoral cortex increase significantly post-implantation. • Stresses in the periprosthetic region increase dramatically with both ageing and thinning. • These findings help explain why old osteoporotic patients are at greater risk of fracture.
ISSN:1350-4533
1873-4030
DOI:10.1016/j.medengphy.2016.06.014