Traumatic Dislodgement of Tibial Polyethylene Insert after a High-Flex Posterior-Stabilized Total Knee Replacement

Many pathologic entities can produce a painful total knee replacement (TKR) that may lead to potential prosthetic failure. Polyethylene insert dissociation from the tibial baseplate has been described most frequently after mobile-bearing and cruciate-retaining TKRs. However, only 3 tibial insert dis...

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Bibliographic Details
Published in:Case reports in orthopedics 2015-01, Vol.2015 (2015), p.1-4
Main Authors: Vestri, Renato, Bongiovanni, Santiago, Kido, Gonzalo Rodrigo, Slullitel, Pablo Ariel Isidoro, Astoul Bonorino, Juan Felix, Carbó, Lisandro
Format: Article
Language:English
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Case Report
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Summary:Many pathologic entities can produce a painful total knee replacement (TKR) that may lead to potential prosthetic failure. Polyethylene insert dissociation from the tibial baseplate has been described most frequently after mobile-bearing and cruciate-retaining TKRs. However, only 3 tibial insert dislocations in primary fixed-bearing High-Flex posterior-stabilized TKRs have been reported. We present a new case of tibial insert dislocation in a High-Flex model that shares similarities and differences with the cases reported, facilitating the analysis of the potential causes, which still remain undefined.
ISSN:2090-6749
2090-6757
DOI:10.1155/2015/810716