ArticleThe open orthopaedics journal2011
One year after navigated total knee replacement, no clinically relevant difference found between fixed bearing and mobile bearing knee replacement in a double-blind randomized controlled trial.
Article in The open orthopaedics journal, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers, 2 of them syntheses that pooled it.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
11 citing papers in PubMed, 2 syntheses or guidelines pooled it.
- Mobile-bearing versus fixed-bearing total knee arthroplasty: a meta-analysis of randomized controlled trials.European journal of orthopaedic surgery & traumatology : orthopedie traumatologie · 2022Pooled it
- Mobile bearing vs fixed bearing prostheses for posterior cruciate retaining total knee arthroplasty for postoperative functional status in patients with osteoarthritis and rheumatoid arthritis.The Cochrane database of systematic reviews · 2015Pooled it
- Implant design affects walking and stair navigation after total knee arthroplasty: a double-blinded randomised controlled trial.Journal of orthopaedic surgery and research · 2021Trial
- No difference in anterior knee pain between a fixed and a mobile posterior stabilized total knee arthroplasty after 7.9 years.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2014Trial
- Fixed versus mobile weight-bearing prosthesis in total knee arthroplasty.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2012Trial
- Short-term differences in anterior knee pain and clinical outcomes between rotating and fixed platform posterior stabilized total knee arthroplasty with a new femoral component design.World journal of orthopedics · 2019Article
- Increased risk of aseptic loosening for 43,525 rotating-platform vs. fixed-bearing total knee replacements.Acta orthopaedica · 2017Article
- No differences between fixed- and mobile-bearing total knee arthroplasty.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2017Review
- Comparison of fixed- and mobile-bearing total knee arthroplasty with a mean five-year follow-up: A meta-analysis.Experimental and therapeutic medicine · 2013Article
- Comparison of mobile-bearing and fixed-bearing designs in high flexion total knee arthroplasty: using a navigation system.Knee surgery & related research · 2012Article
- Total knee arthroplasty with mobile tibial weight-bearing: clinical evaluation after a minimum of five years of postoperative follow-up.Revista brasileira de ortopediaArticle
Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundThe mobile bearing designs have not yet been shown to improve clinical outcome of total knee arthroplasty (TKA). In this prospective randomized study, we compared the short-term clinical results of a mobile bearing implant with those of the fixed bearing version of the same implant.
methodsWe randomized 100 knees into two double-blind groups who received either the fixed (FB, 52 knees) or the mobile bearing (MB, 48 knees) version of the same implant. We used navigation to standardize the surgical technique. For up to one year, we recorded the Knee Society (KSS) and Oxford (OXF) scores. We performed an exploratory analysis of variance (ANOVA) to determine the influence of baseline scores as covariate and the extent of improvement in clinical outcome over time.
resultsAfter one year, we did not detect any statistically significant difference between the two groups. The KSS scores differed by 2 points, the OXF scores by 1.1 points.
conclusionEven with identical geometry of implant surfaces and a navigated surgical technique, first-year results do not support a preference for either a fixed or a mobile design.
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