Isolated Medial Patellofemoral Ligament Reconstruction for Recurrent Patellar Dislocations With Increased Femoral Anteversion and an Absent/Mild J-sign

Key Points

• To evaluate the effectiveness of isolated MPFL reconstruction in patients with recurrent patellar dislocations, increased femoral anteversion, and absent/mild J-sign.
• Assessment of short-term stability outcomes after MPFL reconstruction
• Evaluation of functional outcomes in patients with severe trochlear dysplasia
• Comparison of results based on femoral anteversion angles
• Isolated MPFL reconstruction achieved excellent short-term stability for patients with recurrent dislocations.
• Functional outcomes remained positive despite the presence of severe trochlear dysplasia.
• Patients with greater than 30° of femoral anteversion demonstrated significant improvements.