The QT autograft detected comparable rate of Lachman test > 3 mm , Pivot shift test > 3 m and instrumental laxity > 3 mm .
The QT autograft showed a lower rate of autograft failure above all .
The QT autograft detected the reduced rate of AKP than the PT .
Quadriceps tendon autograft may represent a feasible option for primary ACL reconstruction .
The purpose of the current study was to clarify the role of the quadriceps tendon ( QT ) autograft for primary ACL reconstruction .
Thus , a Bayesian network meta- analysis comparing patients undergoing a primary ACL reconstruction with QT versus patellar tendon ( PT ) and hamstring tendon ( HT ) autografts  was conducted .
Technique of anatomical footprint reconstruction of the ACL with oval tunnels and medial portal aimers
Purpose The purpose of this article was to demonstrate an  anterior cruciate ligament ( ACL ) reconstruction technique using oval tunnels . Aim of this single bundle technique is to fit the footprint anatomy of the ACL as closely as possible . Technique and patients The presented technique is a single bundle technique using a semitendinosus graft . For femoral tunnel placement , a specific medial portal aim er ( Karl Storz , Tuttlingen , Germany ) is used . Aim ing and drilling of the femoral tunnel are performed via the medial portal . Oval tunnels are created by stepwise dilatation with ovally shaped dilatators . The position of the femoral tunnel is visualized and controlled with the arthroscope via the medial portal . For the tibial tunnel placement , a specific aim er was used as well . With this technique , 24 patients were operated and all intra- and postoperative complications were analyzed prospect ively . The tunnel position was documented postoperatively by CT scan . Results There were no significant intra- and postoperative complications associated with the oval tunnel technique . The postoperative 3D CT scan revealed that all femoral and tibial tunnels were located within the area of the anatomical ACL insertions . Conclusions This article presents an ACL reconstruction technique using oval dilatators and medial portal aim ers to create oval tunnels . These oval tunnels match the insertion site anatomy much closer than round tunnels do . Level of Evidence Level IV , case series
The QT autograft detected comparable rate of Lachman test > 3 mm , Pivot shift test > 3 m and instrumental laxity > 3 mm .
The QT autograft showed a lower rate of autograft failure above all .
The QT autograft detected the reduced rate of AKP than the PT .
Quadriceps tendon autograft may represent a feasible option for primary ACL reconstruction .
The purpose of the current study was to clarify the role of the quadriceps tendon ( QT ) autograft for primary ACL reconstruction .
Thus , a Bayesian network meta- analysis comparing patients undergoing a primary ACL reconstruction with QT versus patellar tendon ( PT ) and hamstring tendon ( HT ) autografts  was conducted .