TKA: Similar revision rates and outcomes for all-polyethylene and metal-backed components .
All-polyethylene tibial components are equal to metal-backed components: systematic review and meta-regression
Clin Orthop Relat Res. 2012 Dec;470(12):3549-59. doi: 10.1007/s11999-012-2582-2. Epub 2012 Sep 1326 articles (12,500 TKAs with 231 revisions) were identified to compare the clinical outcomes (revision rates and clinical functioning) of metal- backed and all-polyethylene tibial component in primary TKAs. Results indicated that there were no differences in revision rates or outcome scores between the two components, except for higher migration of the metal-backed components and less migration of all-polyethylene components.
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