Valgus malalignment and prevalence of lateral compartmental radiographic knee osteoarthritis(OA): the wuchuan oa study

Wang, B.; Liu, Q.; Ke, Yan; Xing, Dan; Lin, Jianhao

doi:10.1016/j.joca.2017.02.338

Cited by 3 publications

(4 citation statements)

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“…The association between malalignment and the incidence of KOA is less clear, however [1,2]. More recent studies confirm these assertions [76,77]. In an OAI study, varus thrust (i.e., first appearance/worsening of varus alignment during stance) was associated with KOA progression, but not KOA incidence [77].…”

Section: Risk Factors: Joint-levelmentioning

confidence: 99%

Epidemiology of osteoarthritis: literature update

Vina

Kwoh

2018

Current Opinion in Rheumatology

676

488

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Section: Risk Factors: Joint-levelmentioning

confidence: 99%

Epidemiology of osteoarthritis: literature update

Vina

Kwoh

2018

Current Opinion in Rheumatology

676

488

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“…Although there have been some studies of valgus knee alignment and lateral TF OA progression, no studies have investigated the factors affecting patient decisions regarding lateral TF OA surgery. In a population-based longitudinal study, the prevalence of lateral TF OA was frequent because of the relatively high prevalence of valgus malalignment [12]. In an animal model, valgus knee alignment may result in knee OA because of loss of cartilage and bone height [25].…”

Section: Discussionmentioning

confidence: 99%

“…There have been previous studies evaluating the relationship between TF OA severity and radiographic morphology or alignment [9][10][11][12]. To our knowledge, there has been no study of lateral TF OA and objective decision-making factors about when patients decide to undergo TKA.…”

Section: Introductionmentioning

confidence: 99%

Decision-making factors and their thresholds for total knee arthroplasty in lateral tibiofemoral osteoarthritis patients: a retrospective cohort study

Choi

Kim

Han

2022

Knee Surg & Relat Res

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Background There has been no study examining lateral tibiofemoral (TF) osteoarthritis (OA) and objective decision-making factors affecting when patients decide to have total knee arthroplasty (TKA). The purpose of this study was to assess which factors and their thresholds cause patients with lateral TF OA to decide on TKA. Methods We conducted a retrospective cohort study and identified patients who had initially been diagnosed with isolated lateral TF OA from October 2004 to February 2021. We finally included 56 patients; patients who had chosen conservative treatment followed by in-depth interviews for the deliberation stage (n = 32), and the other patients who decided to undergo TKA for the decision-making stage (n = 24). Demographic, clinical, and radiographic characteristics were considered candidate predictive factors. Radiographic variables included the Ahlbäck grade, hip–knee–ankle (HKA) angle, joint line convergence angle (JLCA), and TF subluxation. Univariate and multivariate logistic regression analyses were performed. Results Clinically, the pain visual analog scale (VAS) score was significantly higher and the knee flexion angle was lower at the decision-making stage. Radiographic measurements showed that the Ahlbäck grade, HKA angle, JLCA, and TF subluxation measured at the center, in addition to the tibiotalar angle, differed statistically between the two stages. According to univariate analyses, two clinical characteristics and six radiographic variables on the ipsilateral side of the leg, and one radiographic variable on the contralateral side of the leg were included as factors influencing the patients’ decision to undergo TKA. After making adjustments based on multivariate analysis, the ipsilateral knee pain VAS (OR = 1.61; 95% CI = 1.14–2.28, p = 0.007) and medial TF subluxation measured at the center (OR = 1.14, 95% CI = 1.01–1.32, p = 0.072) were found to be significant factors for choosing TKA. The area under the curve (AUC) for pain VAS was 0.757 and the cutoff value was 4.5. The AUC for TF subluxation measured at the center was 0.697 and the cutoff value was −4.10% of medial TF subluxation. Conclusion Higher ipsilateral knee pain VAS and more severe medial TF subluxation measured at the center were independent factors affecting patient decisions to undergo TKA with lateral TF OA. Understanding the determining factors that may affect patient decision-making when considering TKA may be an essential aspect of evaluating the prognosis of patients with lateral TF OA. Level of evidence III.

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“…On plain radiographs Fujisawa point should be calculated to determinate osteotomy and evaluate limb alignment after surgical procedures. [16,17,18] Although the most widely used imaging tests are plain radiographies in posteroanterior and lateral weight-bearing projections with 30 degrees of knee flexion Rosenberg view), magnetic resonance imaging also provides highly helpful features, especially those related to the condition status of the menisci, thickness and contour of the articular cartilage in addition to the state of the rest of the compartments within the joint. [20,21] Computerized axial tomography has very specific indications in patients with lateral knee osteoarthritis and its use is reserved for evaluating bone anatomy in surgical planning.…”

Section: Pertinent Physical Examination and Imagingmentioning

confidence: 99%

Lateral Knee Osteoarthritis

López¹

2022

COTC

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Background: gonarthrosis is a common entity characterized by involvement of one or more compartments, of which the lateral one is the one with the lowest incidence in isolation. Aim: the aims of this research are too updated on the most important features on lateral knee osteoarthritis and look for updated bibliography on the subject. Methods: PubMed, Hinari, SciELO and Medline databases were searched for citations from August 1st 2021 to September 30th 2021 using the EndNote search manager and reference manager. Out of 312 articles, 44 selected citations were used in this review, being 42 of the last five years. Results: the main causes of lateral knee osteoarthritis are mentioned, especially the secondary ones. Reference is made to the main clinical and imaging elements for diagnosis based on plain radiography and magnetic resonance imaging. Both conservative and surgical treatment modalities are exposed, in the latter the main indications and complications are described, among which osteotomies and arthroplasties stand out. Conclusions: lateral gonarthrosis is the least common of the unicompartmental gonarthrosis that affect the knee joint. Clinical and imaging diagnosis provides the essential elements for both conservative and surgical therapeutic behaviour, the latter modality includes techniques that preserve the joint such as osteotomies and others that do not, such as arthroplasties.

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Valgus malalignment and prevalence of lateral compartmental radiographic knee osteoarthritis(OA): the wuchuan oa study

Cited by 3 publications

References 0 publications

Epidemiology of osteoarthritis: literature update

Epidemiology of osteoarthritis: literature update

Decision-making factors and their thresholds for total knee arthroplasty in lateral tibiofemoral osteoarthritis patients: a retrospective cohort study

Lateral Knee Osteoarthritis

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