A Biomechanical Comparison of 2 Femoral Fixation Techniques for Anterior Cruciate Ligament Reconstruction in Skeletally Immature Patients: Over-the-Top Fixation Versus Transphyseal Technique
| Autor: | Yuki Kato, Scott Kramer, Freddie H. Fu, Cesar A. Q. Martins, Patrick Smolinski, Pisit Lertwanich, Monica Linde-Rosen, Akira Maeyama, Sheila Jean McNeill Ingham |
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| Rok vydání: | 2011 |
| Předmět: |
musculoskeletal diseases
medicine.medical_specialty Rotation Anterior cruciate ligament reconstruction Anterior cruciate ligament medicine.medical_treatment Bone Screws medicine.disease_cause Weight-bearing Tendons Weight-Bearing Fixation (surgical) Cadaver medicine Humans Orthopedics and Sports Medicine Femur Anterior Cruciate Ligament Intraoperative Complications Aged Orthodontics Bone Transplantation Tibia biology medicine.diagnostic_test business.industry Anterior Cruciate Ligament Injuries Suture Techniques Arthroscopy Robotics Middle Aged musculoskeletal system biology.organism_classification Biomechanical Phenomena Surgery Valgus surgical procedures operative medicine.anatomical_structure Torque business Cadaveric spasm Epiphyses human activities |
| Zdroj: | Arthroscopy: The Journal of Arthroscopic & Related Surgery. 27:672-680 |
| ISSN: | 0749-8063 |
| DOI: | 10.1016/j.arthro.2010.12.001 |
| Popis: | Purpose The purpose of this study was to compare knee kinematics and in situ forces of the graft between 2 femoral fixation techniques of anterior cruciate ligament (ACL) reconstruction: the over-the-top (OTT) fixation and transphyseal (TP) techniques. Methods ACL reconstruction in skeletally immature patients is a challenging procedure. Regarding the femoral fixation techniques, 2 methods are commonly used: the OTT fixation and TP techniques. Ten cadaveric knees (mean age, 57 years; range, 48 to 65 years) were tested with the robotic/universal force-moment sensor system by use of (1) an 89-N anterior tibial load at full extension and 15°, 30°, 60°, and 90° of knee flexion and (2) a combined 7-Nm valgus torque and 5-Nm internal tibial rotation torque at 15° and 30° of knee flexion. Results Both OTT and TP ACL reconstruction techniques closely restored the intact knee kinematics and had a significant reduction in anterior tibial translation under an anterior tibial load and in coupled anterior tibial translation under a combined rotatory load when compared with an ACL-deficient knee. When both ACL reconstruction techniques were compared, the only difference found was that the in situ force of the ACL graft reconstructed with the OTT technique in response to a combined rotatory load at 30° of flexion was significantly lower than the ACL graft reconstructed with the TP technique (5.3 ± 3.3 N and 10.7 ± 6.0 N, respectively; P = .013). Conclusions This time 0 testing showed that both ACL reconstruction techniques, OTT and TP, can reproduce the kinematics of the intact knee in response to an anterior tibial load and a combined rotatory load. Clinical Relevance Both femoral fixation techniques exhibited comparable time 0 kinematics when subjected to simulated clinical examination loading conditions. |
| Databáze: | OpenAIRE |
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