期刊
JOURNAL OF ORTHOPAEDIC SURGERY AND RESEARCH
卷 11, 期 -, 页码 -出版社
BIOMED CENTRAL LTD
DOI: 10.1186/s13018-016-0352-7
关键词
Arthroplasty; Knee; TKA; Ceramic; Hypersensitivity
类别
Background: The aim of the study was to evaluate the safety and efficacy of a novel metal-free ceramic total knee replacement system. Methods: Thirty-eight primary total knee arthroplasties (TKAs) were performed on 34 patients using the metal-free BPK-S ceramic total knee replacement system with both the femoral and tibial components of an alumina/zirconia ceramic composite. The clinical outcome was evaluated pre- and postoperatively at 3 (n = 32 TKA) and 12 months (n = 32 TKA) using the Knee Society Score (KSS), the Oxford Knee Score and the EQ-5D. Safety analysis was performed by radiological examination and assessment of adverse events. Results: Postoperatively, the KSS, Oxford Knee Score and EQ-5D improved significantly at 3 and 12 months (p < 0.001). Non-progressive partial radiolucent lines were observed in six cases, but there was no osteolysis and no implant loosening. Induction or exacerbation of allergies did not occur during the follow-up. Conclusions: The metal-free BPK-S ceramic total knee replacement system proved to be a safe and clinically efficient alternative to metal implants in this short-term follow-up study.
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