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1000 Titel
  • Tibial slope in the posterolateral quadrant with and without ACL injury
1000 Autor/in
  1. Korthaus, A. |
  2. Krause, M. |
  3. Pagenstert, G. |
  4. Warncke, M. |
  5. Brembach, F. |
  6. Frosch, Karl-Heinz |
  7. Kolb, J. P. |
1000 Erscheinungsjahr 2021
1000 Publikationstyp
  1. Artikel |
1000 Online veröffentlicht
  • 2021-12-28
1000 Erschienen in
1000 Quellenangabe
  • 142(12):3917-3925
1000 Copyrightjahr
  • 2021
1000 Lizenz
1000 Verlagsversion
  • https://doi.org/10.1007/s00402-021-04298-w |
  • https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9596559/ |
1000 Publikationsstatus
1000 Sprache der Publikation
1000 Abstract/Summary
  • Introduction!#!An increased tibial slope is a risk factor for rupture of the anterior cruciate ligament. In addition, a tibial bone bruise or posterior lateral impression associated with slope changes also poses chronic ligamentous instability of the knee joint associated with an anterior cruciate ligament (ACL) injury. In the majority of cases, the slope is measured in one plane X-ray in the lateral view. However, this does not sufficient represent the complex anatomy of the tibial plateau and especially for the posterolateral quadrant. Normal values from a 'healthy' population are necessary to understand if stability of the knee joint is negatively affected by an increasing slope in the posterolateral area. Until now there are no data about the physiological slope in the posterolateral quadrant of the tibial plateau.!##!Materials and methods!#!In 116 MRI scans of patients without ligamentous lesions and 116 MRI scans with an ACL rupture, tibial slope was retrospectively determined using the method described by Hudek et al. Measurements were made in the postero-latero-lateral (PLL) and postero-latero-central (PLC) segments using the 10-segment classification. In both segments, the osseous as well as the cartilaginous slope was measured. Measurements were performed by two independent surgeons.!##!Results!#!In the group without ligamentous injury the mean bony PLL slope was 5.8° ± 4.8° and the cartilaginous PLL slope was 6.7° ± 4.8°. In the PLC segment the mean bony slope was 6.6° ± 5.0° and the cartilaginous slope was 9.4° ± 5.7°. In the cohort with ACL rupture, the bony and cartilaginous slope in both PLL and PCL were significantly higher (P < 0.001) than in the group without ACL injury (bony PLL 9.8° ± 4.8°, cartilage PLL 10.4° ± 4.7°, bony PLC 10.3° ± 4.8°, cartilage PLL 12.8° ± 4.3°). Measurements were performed independently by two experienced surgeons. There were good inter- (CI 87-98.7%) and good intraobserver (CI 85.8-99.6%) reliability.!##!Conclusion!#!The bony and the cartilaginous slope in the posterolateral quadrant of the tibial plateau are different but not independent. Patients with an anterior cruciate ligament injury have a significantly steeper slope in the posterolateral quadrant compared to a healthy group. Our data indicate that this anatomic feature might be a risk factor for a primary ACL injury which has not been described yet.!##!Level of evidence!#!III.
1000 Sacherschließung
lokal Tibia/surgery [MeSH]
lokal Anterior cruciate ligament injury
lokal Knee Injuries/surgery [MeSH]
lokal Humans [MeSH]
lokal Knee Joint/surgery [MeSH]
lokal Retrospective Studies [MeSH]
lokal Standard value tibial slope
lokal Knee instability
lokal Arthroscopy and Sports Medicine
lokal Anterior Cruciate Ligament Injuries/surgery [MeSH]
lokal Tibial slope
lokal Anterior Cruciate Ligament Injuries/diagnostic imaging [MeSH]
lokal Magnetic Resonance Imaging [MeSH]
lokal Reproducibility of Results [MeSH]
lokal Posterolateral tibial impression
1000 Liste der Beteiligten
  1. https://frl.publisso.de/adhoc/uri/S29ydGhhdXMsIEEu|https://frl.publisso.de/adhoc/uri/S3JhdXNlLCBNLg==|https://frl.publisso.de/adhoc/uri/UGFnZW5zdGVydCwgRy4=|https://frl.publisso.de/adhoc/uri/V2FybmNrZSwgTS4=|https://frl.publisso.de/adhoc/uri/QnJlbWJhY2gsIEYu|https://frl.publisso.de/adhoc/uri/RnJvc2NoLCBLYXJsLUhlaW56|https://frl.publisso.de/adhoc/uri/S29sYiwgSi4gUC4=
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