No clinical benefit of titanium nitride coating in cementless mobile-bearing total knee arthroplasty

Hove, Ruud P. van; Brohet, Richard M.; Royen, Barend J. van; Nolte, Peter A.

doi:10.1007/s00167-014-3359-9

Cited by 33 publications

(54 citation statements)

References 43 publications

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“…In a recently published RCT, no differences in postoperative pain, KSS, revision surgery, knee flexion and knee flexion contracture, knee circumference, and knee skin temperature were observed between the TiN-coated CoCrMo TKA ( n = 51) and a CoCrMo TKA ( n = 50) [ 61 ]. In both groups two knees were revised for reasons unrelated to the TiN-coating, which resulted in a 5-year survival of 96% [ 61 ].…”

Section: Resultsmentioning

confidence: 99%

“…There were no clinical studies that compared TiN-coated Ti6Al4V implants with uncoated Ti6Al4V implants. One study compared a TiN-coated CoCrMo implant with an uncoated CoCrMo implant and found no difference in clinical outcome or survival [ 61 ]. Although preclinical studies showed that TiN-coating of implant material supplies the implant surface with favorable properties, there is insufficient evidence that the TiN-coating affects the clinical outcome and survival of implants in clinical studies.…”

Section: Discussionmentioning

confidence: 99%

See 1 more Smart Citation

Titanium-Nitride Coating of Orthopaedic Implants: A Review of the Literature

Hove

Sierevelt²,

Royen

et al. 2015

BioMed Research International

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199

108

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Surfaces of medical implants can be enhanced with the favorable properties of titanium-nitride (TiN). In a review of English medical literature, the effects of TiN-coating on orthopaedic implant material in preclinical studies were identified and the influence of these effects on the clinical outcome of TiN-coated orthopaedic implants was explored. The TiN-coating has a positive effect on the biocompatibility and tribological properties of implant surfaces; however, there are several reports of third body wear due to delamination, increased ultrahigh molecular weight polyethylene wear, and cohesive failure of the TiN-coating. This might be due to the coating process. The TiN-coating process should be optimized and standardized for titanium alloy articulating surfaces. The clinical benefit of TiN-coating of CoCrMo knee implant surfaces should be further investigated.

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Section: Resultsmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Titanium-Nitride Coating of Orthopaedic Implants: A Review of the Literature

Hove

Sierevelt²,

Royen

et al. 2015

BioMed Research International

Self Cite

199

108

View full text Add to dashboard Cite

show abstract

“…32 Only few studies comparing coated and standard implants could not demonstrate better results for coated TKA. 17,33,34 Survival was excellent in both groups, with a calculated 5-year-survival of 100% in the coated and 98.1% in the standard TKA group, respectively. In the National Joint Registry, 32 the cumulative risk of revision was 2.15% after 5 years for cemented TKA, and 3.7% for TKA in patients with osteoarthritis in the Australian National Joint Replacement Registry.…”

Section: Discussionmentioning

confidence: 89%

Midterm Results After Coated and Uncoated TKA: A Randomized Controlled Study

Beyer¹,

Lützner²,

Kirschner³

et al. 2016

Orthopedics

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Patients undergoing total knee arthroplasty (TKA) who have hypersensitivity to metals usually receive hypoallergenic TKA implants. Coating of a standard implant is a common solution. Although in vitro tests have demonstrated reduction in polyethylene wear for these coatings, it is unknown whether these costly implants have a clinical benefit for patients. One hundred twenty patients undergoing TKA were randomly assigned to receive a novel 7-layer-coating implant or a standard TKA implant. One revision occurred in the standard group, resulting in a calculated 5-year survival of 100% in the coated group and 98.1% in the standard group. The Oxford Knee Score improved substantially in both groups from a mean of 21.6 points preoperatively in the coated group and 21.9 points in the standard group to 39.2 points and 39.2 points, respectively. The current authors observed no adverse effects with the new coating during midterm follow-up. However, longer follow-up time is needed to evaluate possible advantages of this coating. [Orthopedics. 2016; 39(3):S13-S17.].

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“…Regarding TiN coatings, several reports indicate a survival rate above 90% [113][114][115][116][117], nevertheless other reports indicate lower survival rates and worse performance in relation to uncoated materials [114,118]. A more detailed analysis of retrieved TiN coatings is given in [118][119][120].…”

Section: Reduced Friction Enables Smooth Introduction Reduced Risk Ofmentioning

confidence: 99%

Electrochemical Corrosion of Nano-Structured Magnetron-Sputtered Coatings

et al. 2019

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Magnetron sputtering has been employed for several decades to produce protective and multi-functional coatings, thanks to its versatility and ability to achieve homogeneous layers. Moreover, it is suitable for depositing coatings with very high melting points and that are thermodynamical unstable, which is difficult to accomplish by other techniques. Among these types of coating, transition metal (Me) carbides/nitrides (MeC/N) and amorphous carbon (a-C) films are particularly interesting because of the possibility of tailoring their properties by selecting the correct amount of phase fractions, varying from pure MeN, MeC, MeCN to pure a-C phases. This complex phase mixture can be even enhanced by adding a fourth element such Ag, Pt, W, Ti, Si, etc., allowing the production of materials with a large diversity of properties. The mixture of phases, resulting from the immiscibility of phases, allows increasing the number of applications, since each phase can contribute with a specific property such as hardness, self-lubrication, antibacterial ability, to create a multifunctional material. However, the existence of different phases, their fractions variation, the type of transition metal and/or alloying element, can drastically alter the global electrochemical behaviour of these films, with a strong impact on their stability. Consequently, it is imperative to understand how the main features intrinsic to the production process, as well as induced by Me and/or the alloying element, influence the characteristics and properties of the coatings and how these affect their electrochemical behaviour. Therefore, this review will focus on the fundamental aspects of the electrochemical behaviour of magnetron-sputtered films as well as of the substrate/film assembly. Special emphasis will be given to the influence of simulated body fluids on the electrochemical behaviour of coatings.

show abstract

No clinical benefit of titanium nitride coating in cementless mobile-bearing total knee arthroplasty

Abstract: Therapeutic study, Level I.

Cited by 33 publications

References 43 publications

Titanium-Nitride Coating of Orthopaedic Implants: A Review of the Literature

Titanium-Nitride Coating of Orthopaedic Implants: A Review of the Literature

Midterm Results After Coated and Uncoated TKA: A Randomized Controlled Study

Electrochemical Corrosion of Nano-Structured Magnetron-Sputtered Coatings

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