Abstract | BACKGROUND:
Metal allergy in total knee arthroplasty (TKA) is still a controversial topic. Oxinium, ceramic or titanium niobium nitride ( TiNbN) coated implants are available for some knee systems. The hypothesis of this study was that the use of TiNbN-coated components would not lead to inferior results compared to conventional implants and that none of the allergic patients receiving TiNbN-coated implants would require revision for metal allergy. MATERIALS AND METHODS: This study was a retrospective, 2 to 1 matched pairs study with 40 titanium niobium nitride-coated TKA compared with 80 conventional cobalt chrome implants. No demographic differences between these groups were observed. The mean follow-up for this study was 2 years. RESULTS: No differences in clinical, radiological, or patient-reported outcome measurements were observed between the two groups. No patients have been revised at this short- to medium-term outcome evaluation. DISCUSSION: CONCLUSION: The use of titanium niobium nitride-coated implants for primary knee osteoarthritis shows similar clinical and radiological outcomes as conventional TKA without revision for loosening at short- to medium-term follow-up. Level of evidence Level IV study.
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Authors | Emmanuel Thienpont |
Journal | Archives of orthopaedic and trauma surgery
(Arch Orthop Trauma Surg)
Vol. 135
Issue 12
Pg. 1749-54
(Dec 2015)
ISSN: 1434-3916 [Electronic] Germany |
PMID | 26318754
(Publication Type: Journal Article)
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Chemical References |
- Alloys
- Biocompatible Materials
- Chromium Alloys
- titanium-niobium alloy
- Cobalt
- titanium nitride
- Titanium
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Topics |
- Aged
- Alloys
- Arthroplasty, Replacement, Knee
(instrumentation)
- Biocompatible Materials
- Chromium Alloys
- Cobalt
- Female
- Humans
- Knee Joint
(surgery)
- Knee Prosthesis
- Male
- Osteoarthritis, Knee
(diagnostic imaging, surgery)
- Prosthesis Design
- Radiography
- Reoperation
- Retrospective Studies
- Titanium
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