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Background: The reconstruction of the medial patellofemoral ligament (MPFL) is the most suitable treatment for the patellar instability at the present in patients with two or more episodes of dislocation or only one with condral lesion. This is because it is the principal medial stabilizer of the patella. This process could be supplemented with an osseous correction as tibial tuberosity transference. Objectives: assess the clinical results of the reconstruction of the MPLF in patients with patellar instability. Study Design: Case series, level of evidence IV. Methods: We enroll all patients with this procedure between form April 2011 to February 2015, the sample has 27 reconstruction in 25 patients, who has two or more episodes of patellar dislocation. The graft used was gracilis tendon, set with suture anchor, and tibial tuberosity transfer in 9 patients who need an osseous procedure. Results: The average Kujala score was 90,1 points ( 64-100). Was necessary tibial tuberosity transference in one third of se sample. And in those patients there no difference compared with the isolated reconstruction.There was no episode of patellar dislocation or a second surgical time in the sample. Conclusion: The reconstruction of MPLF show excellent clinical outcomes in a short and medium terms , with 0% of dislocation and no second surgical time, in this kind of patients.

Clinical results in reconstruction of medial patellofemoral ligament