Knee After Reconstruction by Single- and Double-Bundle Intra-articular Grafts

Abstract

The surgical treatment of posterior instability of the knee is evolving rapidly; however, there are as yet no prospective randomized studies of operative versus nonoperative treat-ment of the knee when the posterior structures have been injured to guide surgeons as to indications for surgical treatment or selection of reconstruction technique. The pur-pose of this study was to establish, using an in vitro cadav-eric model, the kinematic laxity pattern of the knee after an anatomically defined PCL/posterolateral corner (PLC) injury, for which most authorities advocate surgical treat-ment. Furthermore, we tested the hypothesis that a double-bundle PCL repair is preferable to a single-bundle PCL repair with regard to restoration of normal joint positioning and laxity of a combined PCL/PLC–injured knee. Posterior cruciate ligament injuries make up from 4 % to 20 % of all knee ligament injuries and up to 38 % of liga-mentous injuries seen in trauma patients.7,23 Although th

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