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Anteromedial Portal Technique for Creating the Anterior Cruciate Ligament Femoral Tunnel

Published:October 29, 2007DOI:https://doi.org/10.1016/j.arthro.2007.07.019

      Abstract

      There has been a renewed focus on anterior cruciate ligament (ACL) insertional anatomy and its biomechanics. It has been postulated that traditional single-bundle transtibial reconstructions have placed grafts in a less anatomic location relative to the true ACL insertion site. In traditional transtibial techniques, the femoral tunnel is predetermined by the position of the tibial tunnel. It is our belief that achieving the most anatomic position for the graft requires the femoral and tibial tunnels to be drilled independently. Use of the anteromedial portal technique provides us with more flexibility in accurately placing the femoral tunnel in the true ACL insertion site as compared with the transtibial technique. Advantages include anatomic tunnel placement, easy preservation of any remaining ACL fibers when performing ACL augmentation procedures, and flexibility in performing either single- or double-bundle reconstructions in primary or revision settings. This technique is not limited by the choice of graft or fixation and offers the advantage of true parallel screw placement through the same portal as that used for tunnel drilling in the case of interference fixation.

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