Stress shielding in periprosthetic bone following a total knee replacement: Effects of implant material, design and alignment

Highlights • The effects of implant material, design and alignment on stress shielding post a TKR were examined. • Stress shielding is found most significantly influenced by implant material. • The effects of misalignment of AP components on periprosthetic bone are more significant than those of MB...

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Bibliographic Details
Published in:Medical engineering & physics 2016-12, Vol.38 (12), p.1481-1488
Main Authors: Zhang, Qing-Hang, Cossey, Andrew, Tong, Jie
Format: Article
Language:English
Subjects:
Arthroplasty, Replacement, Knee - adverse effects
Biomechanical Phenomena
Finite element
Finite Element Analysis
Humans
Malalignment
Periprosthetic
Prosthesis Design
Radiology
Stress shielding
Stress, Mechanical
Tibia
Tibial component
Total knee replacement
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Summary:Highlights • The effects of implant material, design and alignment on stress shielding post a TKR were examined. • Stress shielding is found most significantly influenced by implant material. • The effects of misalignment of AP components on periprosthetic bone are more significant than those of MB components. • Varus position is the worst for AP as well as MB with an increased risk in fracture and bone resorption.
ISSN:1350-4533
1873-4030
DOI:10.1016/j.medengphy.2016.09.018