Medial patellofemoral ligament reconstruction with a quadriceps autograft and using a pre-operative 3-d ct scan to locate the femoral anatomical point
DOI:
https://doi.org/10.1016/j.rccot.2019.12.005Keywords:
medial patellofemoral ligament, quadriceps tendon, 3-D CTAbstract
Background: The reconstruction of the medial patellar-femoral ligament (MPFL) has become increasingly important in recent years. The most used technique is a hamstring tendons autograft. Complications of greater than 26% have been reported in some series. The aim of this study is to demonstrate the use of quadriceps autograft for the reconstruction of the MPFL, without patellar tunnels and without the use of intraoperative fluoroscopy.
Methods: A Case Series study was performed. Patients with a clinical history of at least two episodes of dislocation were included. A series of x-rays, axial Computed Tomography (CT), patellae, 3D CT, and MR image were taken in all patients. Scores on the Lysholm, Tegner, and Kujala scales were used in the postoperative period, with controls at 6, 12 and 18 months being recorded
Results: A total of 24 patients, 16 women and 8 men, with a mean age of 23 years, met the selection criteria. An improvement was observed in the scores on the Lysholm, Tegner, and Kujala scales in the postoperative period, with controls at 6, 12, and 18 months. No new episodes of patellar dislocation or other relevant complications were observed. There was a return to sports activity in all cases.
Discussion: This study reaffirms that the quadriceps tendon is a graft that reproduces the anatomy of the MPFL better, shows figures comparable or functionally better than with the other grafts used at present. Using the preoperative protocol of 3-D CT scans, the adductor and medial epicondyle tubules have been identified individually and with the anatomical specificity of each patient, giving greater certainty in the anatomical location of the MPFL femoral insert. This also has the additional advantages of decreasing surgical time, and avoiding unnecessary radiation in the surgical team.
Evidence Level: IV
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