ArticleHealthcare (Basel, Switzerland)2022
Is Static Alignment a Good Predictor of Dynamic Alignment after Total Knee Arthroplasty?
Article in Healthcare (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 8 papers.
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Who cites it
8 citing papers in PubMed.
- Step-by-step insight into gait analysis: A narrative review unlocking knee biomechanics.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2026Review
- Kinematic alignment doesn't tell the whole story: It's time for kinetic alignment.Knee surgery, sports traumatology, arthroscopy : official journal of the ESSKA · 2025Article
- Robotic-assisted "physiological alignment" TKA with a 3-degree varus inclination does not affect gait ability, regardless of pre-arthritic CPAK classification matching.Journal of orthopaedics · 2025Article
- Phenotyping the knee joint-A critical appraisal of CPAK for alignment classification.Journal of experimental orthopaedics · 2025Article
- Effect of posterior-stabilized and cruciate-retaining implants on three-dimensional kinematic characteristics after total knee arthroplasty.Joint diseases and related surgery · 2025Article
- Joint modeling and marker set selection significantly influence functional biomechanics in end-stage knee osteoarthritis: evidence from the sit-to-stand task.Frontiers in bioengineering and biotechnology · 2025Article
- The epidemic of alignment classifications in total knee arthroplasty forgives the kinematic of the human knee.Journal of experimental orthopaedics · 2024Article
- Nomogram in Knee Instability: 3D Gait Analysis of Knee Osteoarthritis Patients.Indian journal of orthopaedics · 2022Article
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Authors and funding
5 authors.
Funding
Abstract
backgroundTotal knee arthroplasty (TKA) is the only effective treatment of end-stage knee osteoarthritis (OA). Lower limb neutral alignment has been a criterion to predict prosthesis life; however, there has been recent controversy over this. Some researchers believe that lower limb static alignment does not significantly affect prosthesis life and some researchers have found that dynamic mechanical alignment may affect prosthesis life, which needs to be further studied.
methodsEighty-seven patients with knee OA were evaluated by a three-dimensional (3D) gait analysis system before TKA and six months after TKA, dynamic mechanical alignment and basic gait parameters were then calculated. Based on the static alignment of the lower limb on the postoperative X-radiographs, they were divided into a neutral alignment group (58 cases), varus alignment group (20 cases), and valgus alignment group (9 cases). Simple linear regression was used to assess the correlation between static and dynamic alignment. One-way analysis of variance (ANOVA) was used to compare the differences in gait parameters between and within groups.
resultsEighty-seven patients were followed up for an average of six months after the operation. There was no significant difference in all gait parameters among the three groups after TKA. There was no correlation found between static alignment and dynamic alignment/knee adduction moment (KAM) after TKA, although patients showed a significant linear correlation before operation. There was a significant linear correlation between dynamic alignment and KAM before and after the operation.
conclusionsStatic alignment has no significant effect on postoperative gait function. Static alignment is no longer an effective predictor of the dynamic alignment or KAM six months after TKA, although they are correlated before TKA. The dynamic alignment allows for better prediction of KAM, which may be a risk factor for the life of the prosthesis.
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