Long-term Clinical and Radiographic Results of Revision Anterior Cruciate Ligament Reconstruction Using a Single-bundle Technique and External Tenodesis With Achilles Tendon Allograft.

Plain-language summary

Several techniques for revision of anterior cruciate ligament (ACL) reconstruction and different types of grafts have been used over the years. These include single-bundle techniques, double-bundle techniques, and single-bundle techniques with external tenodesis. We also distinguish between the use of autografts and grafts from donors, or allografts. The choice of surgical technique and graft type is strongly influenced by the progression of damage characterizing these patients (meniscal, chondral, or ligamentous), the surgical decisions made during the initial surgery (graft used, orientation, and number of bone tunnels), or any complications that occurred. The use of a specific type of graft is heavily dependent on its availability: it is likely that the first-choice graft for some surgeons may be unavailable because it has already been used. The use of allografts is now commonly accepted by the scientific community, with the Achilles tendon standing out for its biomechanical properties and size. Unlike autografts, it does not damage the patient's ligamentous tissue, which is thus preserved. Since osteoarthritis is one of the most debated consequences of anterior cruciate ligament revision, an analysis of the results is essential to provide a clearer understanding of the risks and benefits associated with the different types of procedures.

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