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https://hdl.handle.net/2440/70096
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Type: | Journal article |
Title: | Role of polyethylene particles in peri-prosthetic osteolysis: A review |
Author: | Atkins, G. Haynes, D. Howie, D. Findlay, D. |
Citation: | World Journal of Orthopedics, 2011; 2(10):93-101 |
Publisher: | Baishideng Publishing Group |
Issue Date: | 2011 |
ISSN: | 2218-5836 2218-5836 |
Statement of Responsibility: | Gerald J Atkins, David R Haynes, Donald W Howie and David M Findlay |
Abstract: | There is convincing evidence that particles produced by the wear of joint prostheses are causal in the peri-prosthetic loss of bone, or osteolysis, which, if it progresses, leads to the phenomenon of aseptic loosening. It is important to fully understand the biology of this bone loss because it threatens prosthesis survival, and loosened implants can result in peri-prosthetic fracture, which is disastrous for the patient and presents a difficult surgical scenario. The focus of this review is the bioactivity of polyethylene (PE) particles, since there is evidence that these are major players in the development and progression of osteolysis around prostheses which use PE as the bearing surface. The review describes the biological consequences of interaction of PE particles with macrophages, osteoclasts and cells of the osteoblast lineage, including osteocytes. It explores the possible cellular mechanisms of action of PE and seeks to use the findings to date to propose potential non-surgical treatments for osteolysis. In particular, a non-surgical approach is likely to be applicable to implants containing newer, highly cross-linked PEs (HXLPEs), for which osteolysis seems to occur with much reduced PE wear compared with conventional PEs. The caveat here is that we know little as yet about the bioactivity of HXLPE particles and addressing this constitutes our next challenge. |
Keywords: | Polyethylene Aseptic loosening Osteolysis Wear particle Peri-prosthetic |
Rights: | ©2011 Baishideng Publishing Group Co. |
DOI: | 10.5312/wjo.v2.i10.93 |
Published version: | http://dx.doi.org/10.5312/wjo.v2.i10.93 |
Appears in Collections: | Aurora harvest 5 Orthopaedics and Trauma publications |
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