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Athymic Rat Model for Evaluation of Engineered Anterior Cruciate Ligament Grafts
Published on: March 26, 2015
Anatomic anterior cruciate ligament reconstruction using distally inserted doubled hamstrings tendons
Roberto Buda1, Alberto Ruffilli, Francesca Vannini
1Department I of Orthopaedics and Traumatology, Rizzoli Orthopaedic Institute, Via Pupilli, 1–40134, Bologna, Italy.
Insights
This study introduces a novel anterior cruciate ligament (ACL) reconstruction technique preserving hamstring tendon neurovascular supply. The new method enhances graft healing and proprioception compared to traditional hamstring tendon ACL surgeries.
Area of Science:
- Orthopedic Surgery
- Sports Medicine
- Biomedical Engineering
Background:
- Current anterior cruciate ligament (ACL) reconstruction techniques using hamstring tendons often involve detaching the tibial insertion.
- This detachment can damage the tendons' neurovascular supply, potentially leading to reduced graft proprioception and impaired healing (ligamentization).
Purpose of the Study:
- To describe a novel surgical technique for anatomical single-bundle ACL reconstruction.
- To utilize distally inserted doubled hamstring tendons while preserving their neurovascular supply.
Main Methods:
- A new surgical technique for ACL reconstruction is detailed.
- This method employs distally inserted doubled hamstring tendons.
- Fixation is achieved at the femoral level using a second-generation cortical suspensory device.
Main Results:
- The described technique allows for anatomical single-bundle ACL reconstruction.
- It preserves the neurovascular supply to the hamstring tendons by avoiding tibial insertion detachment.
- This is expected to improve graft ligamentization and residual proprioceptivity.
Conclusions:
- The novel technique offers an alternative for ACL reconstruction using hamstring tendons.
- It aims to improve graft outcomes by preserving tendon neurovascularity.
- This approach may lead to better functional recovery and long-term graft success.
Abstract:
Many surgical techniques aimed to obtain an anatomical anterior cruciate ligament reconstruction using the hamstrings tendons are described in the literature. All of these techniques encompass the detachment of the tibial insertion of the hamstrings tendons, thus damaging the neurovascular supply of the tendons and resulting in lower residual proprioceptivity and worse ligamentization of the graft. This article describes a new technique that permits an anatomic single-bundle ACL reconstruction using distally inserted doubled hamstrings tendons fixed at the femoral level with a second-generation cortical suspensory device.
