ArticleJournal of the American Academy of Orthopaedic Surgeons. Global research & reviews2017
Malpositioning of Prosthesis: Patient-specific Total Knee Arthroplasty Versus Standard Off-the-Shelf Total Knee Arthroplasty.
Article in Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 6 papers, 1 of them a synthesis that pooled it.
What it found
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
The trial behind it
Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.
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Who cites it
6 citing papers in PubMed, 1 synthesis or guideline pooled it, 12 citations in OpenAlex.
- Use of intraoperative technology in total knee arthroplasty is not associated with reductions in postoperative pain.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2023Pooled it
- The Effect of the Coronal Alignment of Extension Stem on Component Displacement and Stress During Total Knee Arthroplasty: A Finite Element Study.Orthopaedic surgery · 2026Article
- Biomechanical Effect of Coronal Alignment and Ligament Laxity in Total Knee Arthroplasty: A Simulation Study.Frontiers in bioengineering and biotechnology · 2022Article
- Comparison of the contact stress between the sensor and real polyethylene insert in total knee arthroplasty: a finite element analysis.Annals of translational medicine · 2020Article
- Finite-element analysis of the proximal tibial sclerotic bone and different alignment in total knee arthroplasty.BMC musculoskeletal disorders · 2019Article
- Effect of geometric variations on tibiofemoral surface and post-cam design of normal knee kinematics restoration.Journal of experimental orthopaedics · 2018Article
Corrections and comments
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Authors and funding
4 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
introductionA recent study has challenged the premise that a patient-specific (PS)-designed total knee arthroplasty (TKA) component has better clinical survival than an off-the-shelf (OTS) prosthesis.
methodsWe developed the finite element models for PS TKA and OTS TKA with 5° varus and valgus malalignment and 5° internal and external malrotations.
resultsContact stress on the medial side of the insert increased with internal femoral malrotation and varus tibial malalignment, but it decreased with external femoral malrotation and varus tibial malalignment in both PS TKA and OTS TKA. An increase in ligament force occurred in valgus malalignment and external malrotation, and in particular, the force exerted on the medial collateral ligament increased. However, PS TKA provided better biomechanical effects than did the standard OTS TKA with malpositioning in TKA. DISCUSSION: These results emphasize the importance of precise surgical preservation in regard to the TKA position.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.