Femoral Stem Wear in Cemented Total Hip Replacement

L. Blunt, X. Q. Jiang, L. Brown, S. Barrans, Y. Zhao, H. Y. Zhang

Research output: Contribution to journalReview article

41 Citations (Scopus)

Abstract

The great success of cemented total hip replacement to treat patients with end-stage osteoarthritis and osteonecrosis has been well documented. However, its long-term survivorship has been compromised by progressive development of aseptic loosening, and few hip prostheses could survive beyond 25 years. Aseptic loosening is mainly attributed to bone resorption which is activated by an in-vivo macrophage response to particulate debris generated by wear of the hip prosthesis. Theoretically, wear can occur not only at the articulating head-cup interface but also at other load-bearing surfaces, such as the stem-cement interface. Recently, great progress has been made in reducing wear at the head-cup interface through the introduction of new materials and improved manufacture; consequently femoral stem wear is considered to be playing an increasingly significant role in the overall wear of cemented total hip replacement. In this review article, the clinical incidences of femoral stem wear are comprehensively introduced, and its significance is highlighted as a source of generation of wear debris and corrosion products. Additionally, the relationship between femoral stem surface finish and femoral stem wear is discussed and the primary attempts to reproduce femoral stem wear through in-vitro wear testing are summarized. Furthermore, the initiation and propagation processes of femoral stem wear are also proposed and a better understanding of the issue is considered to be essential to reduce femoral stem wear and to improve the functionality of cemented total hip replacement.

Original languageEnglish
Pages (from-to)583-592
Number of pages10
JournalProceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine
Volume222
Issue number5
DOIs
Publication statusPublished - 1 May 2008

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Wear of materials
Hip prostheses
Debris
Bearings (structural)
Macrophages
Bone
Cements
Corrosion
Testing

Cite this

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title = "Femoral Stem Wear in Cemented Total Hip Replacement",
abstract = "The great success of cemented total hip replacement to treat patients with end-stage osteoarthritis and osteonecrosis has been well documented. However, its long-term survivorship has been compromised by progressive development of aseptic loosening, and few hip prostheses could survive beyond 25 years. Aseptic loosening is mainly attributed to bone resorption which is activated by an in-vivo macrophage response to particulate debris generated by wear of the hip prosthesis. Theoretically, wear can occur not only at the articulating head-cup interface but also at other load-bearing surfaces, such as the stem-cement interface. Recently, great progress has been made in reducing wear at the head-cup interface through the introduction of new materials and improved manufacture; consequently femoral stem wear is considered to be playing an increasingly significant role in the overall wear of cemented total hip replacement. In this review article, the clinical incidences of femoral stem wear are comprehensively introduced, and its significance is highlighted as a source of generation of wear debris and corrosion products. Additionally, the relationship between femoral stem surface finish and femoral stem wear is discussed and the primary attempts to reproduce femoral stem wear through in-vitro wear testing are summarized. Furthermore, the initiation and propagation processes of femoral stem wear are also proposed and a better understanding of the issue is considered to be essential to reduce femoral stem wear and to improve the functionality of cemented total hip replacement.",
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Femoral Stem Wear in Cemented Total Hip Replacement. / Blunt, L.; Jiang, X. Q.; Brown, L.; Barrans, S.; Zhao, Y.; Zhang, H. Y.

In: Proceedings of the Institution of Mechanical Engineers, Part H: Journal of Engineering in Medicine, Vol. 222, No. 5, 01.05.2008, p. 583-592.

Research output: Contribution to journalReview article

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T1 - Femoral Stem Wear in Cemented Total Hip Replacement

AU - Blunt, L.

AU - Jiang, X. Q.

AU - Brown, L.

AU - Barrans, S.

AU - Zhao, Y.

AU - Zhang, H. Y.

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