Last updated on March 2020

Medial Retinacular Plication Versus Medial Patellofemoral Ligament Reconstruction for Recurrent Patellar Instability


Are you eligible to participate in this study?

You may be eligible for this study if you meet the following criteria:

  • Conditions: Familial Recurrent Dislocation Of | Patella
  • Age: Between 15 - 35 Years
  • Gender: Male or Female

Inclusion Criteria:

  • Recurrent lateral patellar instability has been described by the patient

Imaging criteria include:

  • TT-TG distance (on CT or MRI) is between 10-20 mm
  • Insall-Salvati Index is between 0.9 - 1.2
  • Trochlea angle is lower than 145 degrees

Exclusion Criteria:

  • Only a single event of lateral patellar instability occured

Imaging criteria include:

  • TT-TG distance (on CT or MRI) is below 10 mm or above 20 mm
  • Insall-Salvati Index is below 0.9 or above 1.2
  • Trochlea angle is above 145 degrees
  • Other concomitant intra-articular patholgies, injuries, and surgeries, besides the patella instability, with were recorded at the lower limbs and did not uneventfuly healed, and as a result cause dysfunction of the lower limbs
  • Significant ligamentous injuries of the knees, including cruciate and collateral injuries, as well as meniscal injuries that interfere with function

Recruitment Status: Open


Brief Description Eligibility Contact Research Team


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