Article ; Online: Estimation of two wear factors for total hip arthroplasty: A simulation study based on musculoskeletal modelling.
Clinical biomechanics (Bristol, Avon)
2023 Volume 107, Page(s) 106035
Abstract: Background: Primary causes of surgical revision after total hip arthroplasty are polyethylene wear and implant loosening. These factors are particularly related to joint friction and thus patients' physical activity. Assessing implant wear over time ... ...
Abstract | Background: Primary causes of surgical revision after total hip arthroplasty are polyethylene wear and implant loosening. These factors are particularly related to joint friction and thus patients' physical activity. Assessing implant wear over time according to patients' morphology and physical activity level is key to improve follow-up and patients' quality of life. Methods: An approach initially proposed for tibiofemoral prosthetic wear estimation was adapted to compute two wear factors (force-velocity, directional wear intensity) using a musculoskeletal model. It was applied on 17 participants with total hip arthroplasty to compute joint angular velocity, contact force, sliding velocity, and wear factors during common daily living activities. Findings: Differences were observed between gait, sitting down, and standing up tasks. An incremental increase of both global wear factors (time-integral) was observed during gait from slow to fast speeds (p ≤ 0.01). Interestingly, these two wear factors did not result in same trend for sitting down and standing up tasks. Compared to gait, one cycle of sitting down or standing up tends to induce higher friction-related wear but lower cross-shear-related wear. Depending on the wear factor, significant differences can be found between sitting down and gait at slow speed (p ≤ 0.05), and between sitting down (p ≤ 0.05) or standing up (p ≤ 0.05) and gait at fast speed. Furthermore, depending on the activity, wear can be fostered by joint contact force and/or sliding velocity. Interpretation: This study demonstrated the potential of wear estimation to highlight activities inducing a higher risk of implant wear after total hip arthroplasty from motion capture data. |
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MeSH term(s) | Humans ; Arthroplasty, Replacement, Hip/adverse effects ; Hip Prosthesis/adverse effects ; Quality of Life ; Polyethylene ; Gait ; Prosthesis Failure |
Chemical Substances | Polyethylene (9002-88-4) |
Language | English |
Publishing date | 2023-06-28 |
Publishing country | England |
Document type | Journal Article ; Research Support, Non-U.S. Gov't |
ZDB-ID | 632747-3 |
ISSN | 1879-1271 ; 0268-0033 |
ISSN (online) | 1879-1271 |
ISSN | 0268-0033 |
DOI | 10.1016/j.clinbiomech.2023.106035 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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