The Role of High Tibial Osteotomy in ACL Reconstruction in Knees with Coronal and Sagittal Plane Deformity

Author:

Klek Michal,Dhawan Aman

Publisher

Springer Science and Business Media LLC

Subject

Orthopedics and Sports Medicine

Reference19 articles.

1. Jan de Pol G, Arnold MP, Verdonschot N, van Kampen A. Varus alignment leads to increased forces in the anterior cruciate ligament. Am J Sports Med. 2009;37(3):481–7. https://doi.org/10.1177/0363546508326715.

2. •• Hinckel BB, Demange MK, Gobbi RG, Pecora JR, Camanho GL. The effect of mechanical varus on anterior cruciate ligament and lateral collateral ligament stress: finite element analyses. Orthopedics. 2016;39(4):729–36. https://doi.org/10.3928/01477447-20160421-02The current study analyzed changes in anterior cruciate ligament (ACL) and lateral collateral ligament stress as a result of mechanical varus. In an exploratory pilot study, progressive mechanical varus was introduced to a male finite element model of the lower limb at different knee flexion angles. Nine situations were analyzed (combinations of 0°, 30°, and 60° knee flexion and 0°, 5°, and 10° varus). The ACL stress was measured via changes in section force, von Mises stress, and fiber stress. Lateral collateral ligament stress was measured via changes in section force. For all 3 measures of the ACL, maximum stress values were found in extension, stress decreased with flexion, and the effect of varus introduction was most significant at 30° flexion. With 60° flexion, varus introduction produced a decrease in section force and von Mises stress and a small increase in fiber stress. In all situations and stress measures except fiber stress at 60° flexion, stress was concentrated at the posterolateral bundle. For the lateral collateral ligament, the introduction of 5° and 10° varus caused an increase in section force at all degrees of flexion. Stress in the ligament decreased with flexion. Mechanical varus of less than 10° was responsible for increased ACL stress, particularly at 0° and 30° knee flexion, and for increased lateral collateral ligament stress at all degrees of flexion. Stress was mostly concentrated on the posterolateral bundle of the ACL.

3. Webb JM, Salmon LJ, Leclerc E, Pinczewski LA, Row JP. Posterior tibial slope and further anterior cruciate ligament injuries in the anterior cruciate ligament reconstructed patient. Am J Sports Med. 2013;41(12):2800–4. https://doi.org/10.1177/0363546513503288.

4. Lahav A, Burks R. Evaluation of the failed ACL reconstruction. Sports Med Arthrosc. 2005;13(1):8–16. https://doi.org/10.1097/01.jsa.0000147193.95513.84.

5. Crawford SN, Waterman BR, Lubowitz JH. Long-term failure of anterior cruciate ligament reconstruction. Arthroscopy. 2013;29(9):1566–71. https://doi.org/10.1016/j.arthro.2013.04.014.

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