Double‐Bundle Medial Patellofemoral Ligament Reconstruction With a Single Patellar Tunnel

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Abstract
Medial patellofemoral ligament (MPFL) reconstruction is an established method to prevent patellofemoral instability. Nevertheless, the anatomy and the biomechanical behavior of native MPFL are still under investigation, but in recent years they have become more defined. We propose a technique for MPFL reconstruction based on the results of recent anatomic studies regarding the patellar insertion of the MPFL. A double‐bundle MPFL is reconstructed by use of the semitendinosus tendon passed through a single patellar tunnel, which crosses the patella from the midpoint of its medial border until its superolateral corner is reached. This method permits a strong patellar fixation, potentially reducing the risk of patellar fracture compared with double–patellar tunnel techniques. Moreover, it requires no fixation devices at the patella and only a single interference screw on the femoral side. Technique Video: video See video under supplementary data.

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