ArticleZhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery2020
[Biomechanical comparison of single-bundle and anatomical double-bundle reconstructions for grade
Article in Zhongguo xiu fu chong jian wai ke za zhi = Zhongguo xiufu chongjian waike zazhi = Chinese journal of reparative and reconstructive surgery, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo evaluate and compare knee joint stability of grade Ⅲ medial collateral ligament (MCL) injury treated by single-bundle and anatomical double-bundle reconstruction methods, thus providing biomechanical basis for clinical treatment.
methodsNine fresh cadaver specimens of normal human knee joints were randomly divided into 3 groups on average. In intact MCL group: The anterior cruciate ligament (ACL) was detached and reconstructed with single-bundle techniques, and the MCL was intact. In single-bundle and double-bundle reconstruction groups, the superficial MCL (sMCL), posterior oblique ligament (POL), and ACL were all detached to manufacturing grade Ⅲ MCL injury models. After single-bundle reconstruction of ACL, the sMCL single-bundle reconstruction and anatomical double-bundle reconstruction of sMCL and POL were performed, respectively. Biomechanical evaluation indexes included anterior tibial translation (ATT), internal rotation (IR), valgus rotation (VAL), and stresses of MCL and ACL under internal rotation and valgus torques at different ranges of motion of the knee joint.
resultsThere was no significant difference in ATT at full extension and flexion of 15°, 30°, 45°, 60°, and 90° between groups (
conclusionMCL anatomical double-bundle reconstruction can acquire better valgus and rotational stability of the knee joint compared with single-bundle reconstruction.
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