Reconstruction of the anterior cruciate- and anterolateral ligament deficient knee with a modified iliotibial graft redu
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KNEE
Reconstruction of the anterior cruciate‑ and anterolateral ligament deficient knee with a modified iliotibial graft reduces instability more than with an intra‑articular hamstring graft Salameh Belal Eljaja1,2,3 · Lars Konradsen2 · Volkert Dirk Siersma4 · Kiron Athwal5 · Andrew Arthur Amis5 · Michael Rindom Krogsgaard1,2 Received: 26 June 2019 / Accepted: 10 January 2020 © European Society of Sports Traumatology, Knee Surgery, Arthroscopy (ESSKA) 2020
Abstract Purpose To compare knee kinematics before and after anterior cruciate ligament ACL reconstruction (ACL-R) using hamstring graft (HG) and a double-stranded iliotibial tract graft attached to Gerdy’s tubercle (providing an extra-articular anterolateral tenodesis) (named the modified iliotibial tract graft = MIT). Method Eighteen cadaveric knees were tested in a 6 degree of freedom kinematics rig. An optical tracking system recorded kinematics of the knee from 0 to 80 degrees of flexion applying no load, internal/external rotation (IR/ER), valgus/varus rotation (VGR/VRR), simulated pivot shift (SPS), anterior translation (AT) and posterior translation loads. The knee was tested before and after resection of the ACL and the anterolateral ligament (ALL), respectively; then after HG-ACL-R and MIT-ACL-R. Grafts were fixed at 20° of flexion. Results were compared to the intact knee. Results ACL resection resulted in a significant increase in AT (p
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