The Impact of Wear and Lift-Off on Coronal Plane Alignment in TKA and Implications to Future Constrained Revision: A Retrieval Study

Current discussion exists whether to position a total knee arthroplasty (TKA) in slight undercorrection in varus osteoarthritis. The goal of this study was to analyse the effect of wear and lateral lift-off in primary TKA on coronal plane alignment and the implication to future constrained revision...

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Vydáno v:The Journal of arthroplasty Ročník 30; číslo 11; s. 2017 - 2020
Hlavní autoři: Vandekerckhove, Pieter-Jan T.K., Teeter, Matthew G., Naudie, Douglas D.R., Howard, James L., MacDonald, Steven J., Lanting, Brent A.
Médium: Journal Article
Jazyk:angličtina
Vydáno: United States Elsevier Inc 01.11.2015
Témata:
Aged
Aged, 80 and over
Arthroplasty, Replacement, Knee - methods
Arthroplasty, Replacement, Knee - statistics & numerical data
Bone Anteversion - complications
Bone Anteversion - surgery
constrained
coronal plane alignment
Humans
Knee Joint - surgery
lift-off
Male
Middle Aged
Orthopedics
Osteoarthritis, Knee - complications
Osteoarthritis, Knee - surgery
Reoperation
retrieval study
total knee arthroplasty
wear
coronal plane alignment
wear
total knee arthroplasty
lift-off
constrained
retrieval study
ISSN:0883-5403, 1532-8406
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Shrnutí:Current discussion exists whether to position a total knee arthroplasty (TKA) in slight undercorrection in varus osteoarthritis. The goal of this study was to analyse the effect of wear and lateral lift-off in primary TKA on coronal plane alignment and the implication to future constrained revision TKA. Seventy-six retrieved tibial inserts were analysed for the ratio of wear (RW), lateral lift-off and implications for future constrained revision surgery according to the coronal plane alignment. The RW significantly affects the coronal plane alignment in TKA. Progressive wear and lateral lift-off were seen with progressive varus alignment. However, there was no difference in constrained revision between mild varus and moderate varus aligned TKAs.
Bibliografie:ObjectType-Article-2
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content type line 23
ISSN:0883-5403
1532-8406
DOI:10.1016/j.arth.2015.05.048