• Arch Orthop Trauma Surg · Jan 2015

    Randomized Controlled Trial Comparative Study

    A comparison of acute and chronic anterior cruciate ligament reconstruction using LARS artificial ligaments: a randomized prospective study with a 5-year follow-up.

    • Jia Chen, Aiqun Gu, Haitao Jiang, Wenjie Zhang, and Xiangrong Yu.
    • Orthopedic Department, The Affiliated Taizhou People's Hospital of Nantong University, Taizhou, 225300, Jiangsu, People's Republic of China, chenjia360@hotmail.com.
    • Arch Orthop Trauma Surg. 2015 Jan 1;135(1):95-102.

    PurposeThis prospective randomized study compared acute and chronic anterior cruciate ligament (ACL) reconstruction using ligament advanced reinforcement system (LARS) artificial ligament in young active adults with a 5-year follow-up.MethodsFifty-five patients were enrolled in this study and divided into two groups based on the elapsed time between the injury and reconstruction: the acute group (3-7 weeks) and the chronic group (6-11 months). The clinical outcomes were evaluated using the Lysholm knee scoring scale, the Tegner activity rating, a KT-1000 Arthrometer, and the International Knee Documentation Committee (IKDC) scoring system. Isokinetic strength of the quadriceps and hamstring was assessed using the Biodex System 3 isokinetic dynamometer.ResultsAnterior laxity was decreased and quadriceps/hamstring muscle strength was increased in the acute group compared to the chronic group (p > 0.05). There were no statistically significant differences in Lysholm scores, Tegner activity scores, and the IKDC evaluation form between the two groups.ConclusionsThese results suggest that earlier ACL reconstruction using a LARS artificial ligament may provide an advantage in the treatment and rehabilitation of ACL rupture.

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