Improved footprint location of the femoral tunnel&nbsp; via&nbsp; the tibia and post-operative assessment of the bone tunnel&nbsp; in anterior cruciate ligament reconstruction

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Medical Journal of the Chinese People Armed Police Forces ›› 2012, Vol. 23 ›› Issue (5) : 395-399.

Improved footprint location of the femoral tunnel via the tibia and post-operative assessment of the bone tunnel in anterior cruciate ligament reconstruction

ZHANG Pengli^1，2，WANG Yaoting¹，JIA Yiming³，LIU Shuitao⁴, and XING Gengyan^1，2.

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Abstract

Objective To establish an improved method of footprint location of the femoral tunnel via the tibia and post-operative assessment of the bone tunnel in anterior cruciate ligament (ACL) reconstruction. Methods 196 patients were investigated who underwent the single-bundle ACL reconstruction with autogenous semitendinosus tendon and gracilis tendon using the improved method of footprint location of the femoral tunnel via the tibia under arthroscopy from June 2007 to January 2010. The position of the femoral tunnel was measured by MRI and the knee function was assessed by IKDC scores. Results After a follow-up of 10-36 months, anterior drawer tests and Lachman tests in the patients were all negative. The IKDC scores increased significantly( P <0.05). The location of the bone tunnel was evaluated by the angle between the joint line and the graft on the sagittal view(JGS) and the angle between the joint line and the graft on the coronal image(JGC )on MRI after 6 months and there was no difference in the position of the anterior cruciate ligament between the reconstruction group and control group( P >0.05) . Conclusions The improved method of footprint location of the femoral tunnel via the tibia in single-bundle ACL reconstruction is an ideal method . The stability and functions of knees of the patients can improved significantly. The measurement of knees using JGS and JGC can reflect the tunnel positions objectively and accurately,which are related to the clinical effect.

Key words

knee / anterior cruciate ligament reconstruction / tunnel position

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Improved footprint location of the femoral tunnel via the tibia and post-operative assessment of the bone tunnel in anterior cruciate ligament reconstruction[J]. Medical Journal of the Chinese People Armed Police Forces. 2012, 23(5): 395-399

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