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CC BY 4.0 · Rev Bras Ortop (Sao Paulo) 2024; 59(06): e991-e996
DOI: 10.1055/s-0044-1793826
Nota Técnica
Joelho

Anatomic Posterolateral Corner Reconstruction of the Knee Using Single Semitendinosus Autograft: Technical Note for the Borderline-length Graft

Artikel in mehreren Sprachen: português | English

Autoren

  • Francisco Lima-Bernardes 

    1   Serviço de Ortopedia, Centro Hospitalar do Tâmega e Sousa, Penafiel, Portugal

  • Nuno Vieira da Silva 

    1   Serviço de Ortopedia, Centro Hospitalar do Tâmega e Sousa, Penafiel, Portugal

  • Pedro Ribeiro 

    1   Serviço de Ortopedia, Centro Hospitalar do Tâmega e Sousa, Penafiel, Portugal

  • Diogo Manuel Soares 

    1   Serviço de Ortopedia, Centro Hospitalar do Tâmega e Sousa, Penafiel, Portugal

  • Nuno Ferreira 

    1   Serviço de Ortopedia, Centro Hospitalar do Tâmega e Sousa, Penafiel, Portugal

  • Hélder Nogueira 

    1   Serviço de Ortopedia, Centro Hospitalar do Tâmega e Sousa, Penafiel, Portugal


Financial Support The authors declare that they did not receive financial support from agencies in the public, private, or non-profit sectors to conduct the present study.
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Abstract

The original LaPrade technique for anatomic reconstruction of the posterolateral corner of the knee uses two separate allografts. More recently, a modification of this technique, using an adjustable-length suspension device with a cortical button for tibial fixation, allows anatomic reconstruction with a single semitendinosus autograft. This modification is of utmost relevance when sources of allograft are not available for multiligament knee reconstruction. In both techniques interference screws are used for femoral fixation of the fibular collateral ligament and popliteus tendon. The minimum length recommended for the anatomic reconstruction with single semitendinosus is 25 cm, but anatomic variations in the population exist, and a longer semitendinosus may be necessary. Indeed, some patients may only reach the necessary length considering the thinnest limb of the semitendinosus. In these patients, femoral fixation of the thinnest limb with a knotless suture anchor, as we describe, for the popliteus tendon limb, allows expansion of this technique to borderline semitendinosus autografts while reducing the risk of tunnel coalition. We also describe a different sequence of steps: fixation of the fibular collateral ligament in the femoral tunnel followed by its tensioning and fixation in the fibular head tunnel, fixation of the popliteus tendon in its femoral footprint with a knotless suture anchor and, finally, tensioning of the popliteofibular ligament and popliteus tendon. This different sequence also helps avoiding tendon waste, which may be left over, allowing more graft incorporation into the tibial tunnel.

Keywords

knee - igaments, articular - tendon injuries

Ethical Approval

Ethical approval was not sought for the present technical note since no patient data can be identified. Informed consent is also not applicable for the aforementioned reason.


Work carried out at the Orthopedics Department, Centro Hospitalar do Tâmega e Sousa, Penafiel, Portugal.




Publikationsverlauf

Eingereicht: 08. Juni 2023

Angenommen: 04. September 2023

Artikel online veröffentlicht:
21. Dezember 2024

© 2024. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution 4.0 International License, permitting copying and reproduction so long as the original work is given appropriate credit (https://creativecommons.org/licenses/by/4.0/)

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