Influence of the bony alignment on the ligaments of the knee joint

In recent years biomechanical and clinical studies have shown that the three-dimensional bony alignment of the lower extremities has a relevant influence on the ligamentous structures of the knee and consequently on the stability of the knee joint. Therefore, in the case of pathological ligamentous...

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Bibliographic Details
Published in:Unfallchirurgie (Heidelberg, Germany) Germany), 2024-01, Vol.127 (1), p.27-34
Main Authors: Mehl, Julian, Siebenlist, Sebastian
Format: Article
Language:ger
Subjects:
Anterior Cruciate Ligament - diagnostic imaging
Humans
Knee Joint - diagnostic imaging
Lower Extremity - surgery
Plastic Surgery Procedures
Tibia - diagnostic imaging
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Summary:In recent years biomechanical and clinical studies have shown that the three-dimensional bony alignment of the lower extremities has a relevant influence on the ligamentous structures of the knee and consequently on the stability of the knee joint. Therefore, in the case of pathological ligamentous damage of the knee joint, a possible malalignment must always be thoroughly evaluated and if necessary, included in the treatment planning. Varus malalignment plays an important role especially with respect to the cruciate ligaments as well as the posterolateral ligamentous structures and has been identified as a significant risk factor for failure after surgical reconstruction of these ligamentous structures. Similar data have also been published for valgus malalignment particularly with respect to its negative influence on the anterior cruciate ligament and the medial capsuloligamentous complex. Alignment deviations in the sagittal plane, especially the inclination of the tibial articular surface (slope), have been extensively investigated in several recent studies. It has been demonstrated that the tibial slope has a relevant influence on the anteroposterior stability of the knee joint and hence on the cruciate ligaments. First clinical studies on the surgical correction of the axis in selected patients showed very promising results with the potential of protecting ligament reconstructions against repeated failure; however, further data especially regarding the importance and the exact indications for an additional alignment correction are necessary.
ISSN:2731-703X
DOI:10.1007/s00113-023-01363-4