• Ya-Dong Zhang, Shu-Xun Hou, Yi-Chao Zhang, Dian-Zhong Luo, Hong-Bin Zhong, and Hong Zhang.
• Department of Orthopaedics, the First Affiliated Hospital of General Hospital of People's Liberation Army, Beijing, China.
• Zhonghua Wai Ke Za Zhi. 2011 Jul 1; 49 (7): 581-5.

ObjectiveTo discuss the minimal invasive arthroscopic surgery technique and clinical results of both the medial and lateral meniscal transplantation following the anterior cruciate ligament reconstruction with double bundles and bone tunnels.MethodsIn August 2008 a minimal invasive surgery of both the medial and lateral meniscal allograft transplantation following anterior cruciate ligament reconstruction was preformed for 1 case with both the medial and lateral meniscectomy by arthroscopic surgery. The method of two bone plugs attached on tibial plateau was employed for medial meniscal allograft transplantation and the technique the bridge in slot for lateral meniscal allograft transplantation. The VAS, Lysholm score and IKDC rating were recorded before and after operation. The stability of knee was assessed by Lachman test, drawer sign and pivot shift test.ResultsThe patient was followed up 26 month after the operations. The degrees of knee flexion, extension and function of walk were normal. The Lachman test, drawer sign and pivot shift test were nearly normal. The VAS after operation was 2 points lower than that before operation. The Lysholm score post-operation was 20 points higher than pre-operation. The IKDC became B degree in late following-up from C degree before the operation. MRI revealed anterior cruciate ligament graft was continuous and the meniscal allograft was normal shape on year 1 after the operation. The posterior horn of medial meniscal allograft and anterior corner of lateral meniscal allograft showed slightly shrunk. The second-look arthroscopy showed that the healing occurring between meniscal allograft and the capsule and meniscal allograft was normal shape on month 18 after the operation. The anterior horn of medial and lateral meniscus was slightly worn.ConclusionsBoth the medial and lateral meniscal transplantation following the anterior cruciate ligament reconstruction in appropriately selected patients with the medial and lateral meniscus-deficient knee may recover the knee mechanic balance and stability, which is a option of treatment for that young and activity patients. It is proposed that the medial and lateral meniscal grafts harvested from a single donator. Attention should be paid to the direction of the bone tunnels fixing the horns of the meniscus in order to avoid communication with the tunnels of anterior cruciate ligament reconstruction.

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