An Interesting Case of Osteolysis With Accompanying Metallosis in a Primary Total Knee Arthroplasty

Arthroplasty implants are comprised of metal alloys designed to function within the human body. Implant-related issues and associated soft-tissue reactions have been well documented for modular revision hip and knee constructs. This case highlights findings of metallosis in the context of polyethyle...

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Autores principales:	Collin Lamba, MD, Krista Denning, MD, Eric Ouellette, PhD, Steven Kurtz, PhD, Matthew Bullock, DO MPT
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	Osteolysis Metallosis Primary Total Knee Arthroplasty Locking Mechanism Orthopedic surgery RD701-811
Acceso en línea:	https://doaj.org/article/6e7733d1e6304481a9f976cb6cf370cb
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spelling	oai:doaj.org-article:6e7733d1e6304481a9f976cb6cf370cb2021-11-14T04:33:46ZAn Interesting Case of Osteolysis With Accompanying Metallosis in a Primary Total Knee Arthroplasty2352-344110.1016/j.artd.2021.07.002https://doaj.org/article/6e7733d1e6304481a9f976cb6cf370cb2021-10-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S2352344121001205https://doaj.org/toc/2352-3441Arthroplasty implants are comprised of metal alloys designed to function within the human body. Implant-related issues and associated soft-tissue reactions have been well documented for modular revision hip and knee constructs. This case highlights findings of metallosis in the context of polyethylene wear in a failed primary total knee arthroplasty. Fretting of a polyethylene reinforcement pin within the tibial baseplate as a direct result of knee joint instability appears to be the root cause of observed periprosthetic metallosis. Enhanced design principles and improved polyethylene locking mechanisms may be useful to potentially mitigate fretting-related issues in future knee replacement designs. The authors recommend surveillance in patients with this construct especially when prosthetic instability is present.Collin Lamba, MDKrista Denning, MDEric Ouellette, PhDSteven Kurtz, PhDMatthew Bullock, DO MPTElsevierarticleOsteolysisMetallosisPrimary Total Knee ArthroplastyLocking MechanismOrthopedic surgeryRD701-811ENArthroplasty Today, Vol 11, Iss , Pp 81-87 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	Osteolysis Metallosis Primary Total Knee Arthroplasty Locking Mechanism Orthopedic surgery RD701-811
spellingShingle	Osteolysis Metallosis Primary Total Knee Arthroplasty Locking Mechanism Orthopedic surgery RD701-811 Collin Lamba, MD Krista Denning, MD Eric Ouellette, PhD Steven Kurtz, PhD Matthew Bullock, DO MPT An Interesting Case of Osteolysis With Accompanying Metallosis in a Primary Total Knee Arthroplasty
description	Arthroplasty implants are comprised of metal alloys designed to function within the human body. Implant-related issues and associated soft-tissue reactions have been well documented for modular revision hip and knee constructs. This case highlights findings of metallosis in the context of polyethylene wear in a failed primary total knee arthroplasty. Fretting of a polyethylene reinforcement pin within the tibial baseplate as a direct result of knee joint instability appears to be the root cause of observed periprosthetic metallosis. Enhanced design principles and improved polyethylene locking mechanisms may be useful to potentially mitigate fretting-related issues in future knee replacement designs. The authors recommend surveillance in patients with this construct especially when prosthetic instability is present.
format	article
author	Collin Lamba, MD Krista Denning, MD Eric Ouellette, PhD Steven Kurtz, PhD Matthew Bullock, DO MPT
author_facet	Collin Lamba, MD Krista Denning, MD Eric Ouellette, PhD Steven Kurtz, PhD Matthew Bullock, DO MPT
author_sort	Collin Lamba, MD
title	An Interesting Case of Osteolysis With Accompanying Metallosis in a Primary Total Knee Arthroplasty
title_short	An Interesting Case of Osteolysis With Accompanying Metallosis in a Primary Total Knee Arthroplasty
title_full	An Interesting Case of Osteolysis With Accompanying Metallosis in a Primary Total Knee Arthroplasty
title_fullStr	An Interesting Case of Osteolysis With Accompanying Metallosis in a Primary Total Knee Arthroplasty
title_full_unstemmed	An Interesting Case of Osteolysis With Accompanying Metallosis in a Primary Total Knee Arthroplasty
title_sort	interesting case of osteolysis with accompanying metallosis in a primary total knee arthroplasty
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/6e7733d1e6304481a9f976cb6cf370cb
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An Interesting Case of Osteolysis With Accompanying Metallosis in a Primary Total Knee Arthroplasty

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