Clinical and radiological outcomes of fixed- versus mobile-bearing total knee replacement: a meta-analysis

Abstract

Controversy exists regarding the clinical and radiological differences in outcomes between fixed- and mobile-bearing total knee replacements (TKR). The aim of this study was to compare these two TKR designs using a meta-analysis of the electronic databases MEDLINE, EMBASE, CINAHL and AMED in addition to a review of unpublished material. All included papers were critically appraised using a modified PEDro critical appraisal tool. Thirty-three studies were eligible, assessing the outcomes of 3532 TKRs. Analysis suggested that there was no significant difference in clinical or radiological outcomes and complication rates between fixed- and mobile-bearing TKRs.

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Acknowledgments

We thank the library staff at the Norfolk and Norwich University Hospital’s Sir Thomas Browne Library for their assistance in gathering the papers required for this study. We would also like to thank all corresponding authors for their assistance in obtaining additional data that contributed to this meta-analysis.

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Correspondence to Toby O. Smith.

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Smith, T.O., Ejtehadi, F., Nichols, R. et al. Clinical and radiological outcomes of fixed- versus mobile-bearing total knee replacement: a meta-analysis. Knee Surg Sports Traumatol Arthrosc 18, 325–340 (2010). https://doi.org/10.1007/s00167-009-0909-7

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Keywords

  • Knee replacement
  • Bearing
  • Systematic review
  • Meta-analysis