Early nontraumatic fracture of the polyethylene tibial post in a NexGen LPS-Flex posterior stabilized knee prosthesis.
case_report · Level V
Where this comes from
- Record sourced from PubMed, PMID 19303252.
- Also identified by DOI 10.1016/j.arth.2009.02.013.
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Abstract
Fracture of a polyethylene tibial post in a knee prosthesis after a total knee arthroplasty (TKA) is an uncommon but severe complication of polyethylene tibial post wear. A fractured tibial post results in an unstable and malfunctioning knee. Revision knee surgery is necessary to restore function of the affected knee. We report a case of a nontraumatic fracture of a tibial polyethylene post that occurred in a 63-year-old man with left-sided hemiparesis 3 years after he had undergone left TKA with a NexGen LPS-Flex total knee prosthesis. To our knowledge, this is the first report of a nontraumatic fracture to the tibial post with anterolateral to posterior breakage after a NexGen LPS-Flex TKA.
Medical subject headings
- Arthroplasty, Replacement, Knee
- Joint Instability
- Knee Prosthesis
- Osteoarthritis, Knee
- Prosthesis Failure
Anatomy
- knee
- tibia