ArticleInternational orthopaedics2019
Factors affecting the choice of constrained prostheses when performing revision total knee arthroplasty.
Article in International orthopaedics, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers.
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Who cites it
6 citing papers in PubMed.
- Short-term outcomes of elective revision total knee arthroplasty in elderly patients: a comparative analysis of octogenarians and septuagenarians.Archives of orthopaedic and trauma surgery · 2025Article
- Revision of medial unicompartmental knee arthroplasty-Not as uncomplicated as one thought? Analysis of survival and re-revisions from a single centre.Journal of experimental orthopaedics · 2025Article
- Prostheses option in revision total knee arthroplasty, from the bench to the bedside: (1) basic science and principles.EFORT open reviews · 2022Review
- Mid-term lifetime survivals of octogenarians following primary and revision total knee arthroplasties were satisfactory: a retrospective single center study in contemporary period.Knee surgery & related research · 2020Article
- Options and limitations of implant constraint.Journal of orthopaedicsArticle
- Is varus-valgus constraint a reliable option in complex primary total knee arthroplasty? A systematic review.Journal of orthopaedicsReview
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Authors and funding
3 authors.
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Abstract
purposeThe purposes of the present study were to assess the levels of prosthetic constraint chosen during revision total knee arthroplasty (TKA) and to identify factors influencing the choice of a constrained prosthesis.
methodsWe retrospectively reviewed data on 274 revision TKAs. The mean follow-up period after revision TKA was 7.2 years. The femorotibial angle (FTA), joint line height (JLH), and Insall-Salvati ratio (ISR) were radiographically evaluated. Factors affecting the extent of constraint chosen were evaluated in terms of age, gender, body mass index, primary diagnosis, the cause of revision TKA, the Anderson Orthopedic Research Institute (AORI) classification, and changes in the JLH and ISR.
resultsTotals of 247 (90.1%), 11 (4.0%), and 9 (3.4%) knees received posteriorly stabilized prostheses, constrained condylar knees, and rotating hinge prostheses, respectively. On multivariate analysis, the cause of revision TKA including loosening and instability and the changes in the JLH and ISR affected independently the choice of a constrained prosthesis.
conclusionsThe frequency of implantation of constrained prostheses was 7.4% in the present study. Consideration of various factors including the cause of revision TKA and changes in the JLH and ISR will aid the TKA surgeon in selecting prostheses with appropriate constraints when performing revision TKAs.
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