Key Components of the Pathogenesis of Aseptic Loosening in Joint Prostheses
- Authors: Kamenskii A.D.1, Parakhin Y.V.2, Parshikov M.V.1
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Affiliations:
- Federal State Budgetary Educational Institution of Higher Education "Russian University of Medicine" of the Ministry of Health of the Russian Federation
- Private Healthcare Institution "Clinical Hospital 'RZD-Medicine' named after N.A. Semashko".
- Section: SCIENTIFIC REVIEWS
- Submitted: 03.04.2025
- Accepted: 16.07.2025
- URL: https://journals.eco-vector.com/0869-8678/article/view/678098
- DOI: https://doi.org/10.17816/vto678098
- ID: 678098
Cite item
Abstract
This literature review provides a comprehensive analysis of the pathogenetic mechanisms underlying aseptic loosening (AL) of joint prostheses and associated periprosthetic osteolysis. By systematizing current scientific data, the review examines key factors contributing to these complications. A central focus is placed on debris-induced inflammation, where wear particles from prosthetic materials (metals, polyethylene, bone cement) activate macrophages, triggering the release of pro-inflammatory cytokines (TNF-α, IL-1, IL-6). These mediators disrupt bone remodeling balance by stimulating osteoclastogenesis via the RANKL/RANK/OPG signaling pathway while suppressing osteoblast function. Special attention is given to mechanical factors, including physiological implant micromotion. When exceeding tolerance thresholds (50–150 μm), micromotion hinders osseointegration and promotes the formation of a fibrous synovial-like interface membrane. Stress shielding, another critical factor, leads to bone resorption due to altered load distribution. The review also explores the impact of pressurized fluid flow (up to 150 mmHg), which exacerbates bone destruction through direct effects on osteocytes. The analysis details specific immune responses to prosthetic components: haptenic properties of metal ions (Co, Cr, Ti) and bone cement initiate delayed-type hypersensitivity reactions, forming neo-antigens and activating T-cell responses. Local and systemic toxicity of metal particles is discussed, including DNA damage, inhibition of osteoblast proliferation, and impaired differentiation of mesenchymal stem cells. The role of bacterial endotoxins adsorbed onto wear particles is highlighted, demonstrating their capacity to amplify inflammation even in the absence of clinical infection. The review emphasizes that AL is a multifactorial process where the combined effects of these mechanisms shift the balance toward osteolysis. Promising strategies for reducing AL risk are explored, including investigations into genetic predisposition, development of advanced biocompatible materials with improved tribological properties, and targeted approaches to suppress inflammatory cascades. Systematizing these pathogenetic mechanisms provides a foundation for enhancing prosthetic longevity and reducing revision rates.
Full Text
About the authors
Aleksandr D. Kamenskii
Federal State Budgetary Educational Institution of Higher Education "Russian University of Medicine" of the Ministry of Health of the Russian Federation
Author for correspondence.
Email: alexkamenskiyvm@yandex.ru
ORCID iD: 0009-0007-3489-3555
SPIN-code: 9994-8149
Postgraduate student of the Department of Traumatology, Orthopedics and Disaster Medicine
Yurii V. Parakhin
Private Healthcare Institution "Clinical Hospital 'RZD-Medicine' named after N.A. Semashko".
Email: parachinyuri@mail.ru
ORCID iD: 0009-0000-2591-0949
SPIN-code: 2524-0855
Head of the Center for Traumatology and Orthopedics
Russian Federation, 109386, Moscow, Stavropolskaya street, 23Mikhail V. Parshikov
Federal State Budgetary Educational Institution of Higher Education "Russian University of Medicine" of the Ministry of Health of the Russian Federation
Email: parshikovmikhail@gmail.com
ORCID iD: 0000-0003-4201-4577
SPIN-code: 5838-4366
Professor of the Department of Traumatology, Orthopedics and Disaster Medicine
Russian Federation, 127006, Russian Federation, Moscow, Dolgorukovskaya street, building 4References
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