ArticleBMC musculoskeletal disorders2025
Lateral patellar tilting can also result in cartilage lesions of tibial plateau - the characteristic features of excessive lateral pressure syndrome: a retrospective study of 141 cases.
Article in BMC musculoskeletal disorders, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 3 papers.
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3 citing papers in PubMed.
- Factors associated with patient dissatisfaction after unicompartmental knee arthroplasty: a retrospective cohort analysis of 978 patients.BMC musculoskeletal disorders · 2026Article
- The Lateral Alignment Angle: A Novel Method for Evaluating Lateral Patellar Tilt With High Accuracy, Good Reproducibility, and Independence From Patellofemoral Joint Morphology.Orthopaedic surgery · 2026Article
- Impact of Wiberg patellar morphology on patient-reported outcomes following unicompartmental knee arthroplasty: A 3 ~ 5 year retrospective cohort analysis.BMC musculoskeletal disorders · 2025Article
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Abstract
backgroundTo comprehensively summarize the characteristics of cartilage and other knee joint lesions associated with excessive lateral pressure syndrome (ELPS).
methodsPatients diagnosed with ELPS and admitted to our department between October 1, 2015, and September 30, 2023 were retrospectively included in this study. Prior to undergoing arthroscopic examination and surgery, all included patients underwent knee MRI evaluation. The lesion regions and corresponding lesion grading of each knee joint were meticulously documented, and the concordance between imaging and arthroscopic evaluation was quantified. All patients were categorized based on age and gender, and further comparison of each group was made.
resultsThere were 82 male participants and 59 female participants included. No significant differences in age or side distribution were observed. Regarding gender comparison, there were no statistically significant differences in imaging observations (P = 0.940) and arthroscopic examinations (P = 0.237). There were no significant differences observed in radiographic incidences among all three groups divided by age, while during arthroscopic examination, a significantly higher incidence was found in over 50 group compared to both those under 20 and those aged between 20 and 50. The incidence of Graded that both radiographic evaluation and arthroscopic observation demonstrated a significantly higher incidence in the > 50 years old group compared to the other two groups.
conclusionsIn addition to patellofemoral joint cartilage lesions, excessive lateral pressure syndrome (ELPS) of the patella can also cause cartilage lesions in the central region of the medial tibial plateau and posterior region of the lateral tibial plateau. These specific sites of lesion are not influenced by gender or age. The incidence of full-thickness cartilage defects gradually increases with age.
trial registrationThe Ethics Committee of the Third Hospital of Peking University approved this study. (No.: IRB00006761-M2021002) LEVEL OF EVIDENCE: IV Case series.
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