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The Bone & Joint Journal
Vol. 104-B, Issue 11 | Pages 1193 - 1195
1 Nov 2022
Rajput V Meek RMD Haddad FS

Periprosthetic joint infection (PJI) remains an extremely challenging complication. We have focused on this issue more over the last decade than previously, but there are still many unanswered questions. We now have a workable definition that everyone should align to, but we need to continue to focus on identifying the organisms involved. Surgical strategies are evolving and care is becoming more patient-centred. There are some good studies under way. There are, however, still numerous problems to resolve, and the challenge of PJI remains a major one for the orthopaedic community. This annotation provides some up-to-date thoughts about where we are, and the way forward. There is still scope for plenty of research in this area.

Cite this article: Bone Joint J 2022;104-B(11):1193–1195.


The Bone & Joint Journal
Vol. 100-B, Issue 1_Supple_A | Pages 9 - 16
1 Jan 2018
Su EP Justin DF Pratt CR Sarin VK Nguyen VS Oh S Jin S

The development and pre-clinical evaluation of nano-texturised, biomimetic, surfaces of titanium (Ti) implants treated with titanium dioxide (TiO2) nanotube arrays is reviewed. In vitro and in vivo evaluations show that TiO2 nanotubes on Ti surfaces positively affect the osseointegration, cell differentiation, mineralisation, and anti-microbial properties. This surface treatment can be superimposed onto existing macro and micro porous Ti implants creating a surface texture that also interacts with cells at the nano level. Histology and mechanical pull-out testing of specimens in rabbits indicate that TiO2 nanotubes improves bone bonding nine-fold (p = 0.008). The rate of mineralisation associated with TiO2 nanotube surfaces is about three times that of non-treated Ti surfaces. In addition to improved osseointegration properties, TiO2 nanotubes reduce the initial adhesion and colonisation of Staphylococcus epidermidis. Collectively, the properties of Ti implant surfaces enhanced with TiO2 nanotubes show great promise.

Cite this article: Bone Joint J 2018;100-B(1 Supple A):9–16.


The Bone & Joint Journal
Vol. 98-B, Issue 7 | Pages 892 - 900
1 Jul 2016
Atrey A Heylen S Gosling O Porteous MJL Haddad FS

Joint replacement of the hip and knee remain very satisfactory operations. They are, however, expensive. The actual manufacturing of the implant represents only 30% of the final cost, while sales and marketing represent 40%. Recently, the patents on many well established and successful implants have expired. Companies have started producing and distributing implants that purport to replicate existing implants with good long-term results.

The aims of this paper are to assess the legality, the monitoring and cost saving implications of such generic implants. We also assess how this might affect the traditional orthopaedic implant companies.

Cite this article: Bone Joint J 2016;98-B:892–900.


The Journal of Bone & Joint Surgery British Volume
Vol. 87-B, Issue 8 | Pages 1046 - 1049
1 Aug 2005
Shepperd JAN Apthorp H