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Tibial tuberosity transfer for episodic patellar dislocation.

Elvire Servien1, Peter C Verdonk, Philippe Neyret

  • 1Department of Orthopaedic Surgery, Centre Livet, Centre Hospital Universitaire, Lyon, France. elvire.servien@chu-lyon.fr

Sports Medicine and Arthroscopy Review
|May 17, 2007
PubMed
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Surgical correction of episodic patellar dislocations involves addressing key anatomic factors. Tibial tuberosity transfer realigns the extensor mechanism, enhancing patellofemoral stability.

Area of Science:

  • Orthopedic Surgery
  • Biomechanical Engineering

Background:

  • Episodic patellar dislocations are frequently treated with various surgical techniques.
  • Four primary anatomic factors contribute to recurrent patellar instability: trochlear dysplasia, patella alta, patellar tilt, and increased tibial tubercle-trochlear groove distance.

Purpose of the Study:

  • To present a treatment algorithm for episodic patellar dislocations based on identified anatomic risk factors.
  • To describe the role of tibial tuberosity transfer in correcting patellar malalignment and instability.

Main Methods:

  • Surgical techniques including tibial tuberosity transfer (distal, medial, or combined) are detailed.
  • Associated procedures like medial patellofemoral ligament reconstruction and trochleoplasty are discussed for specific indications.

Related Experiment Videos

Main Results:

  • Tibial tuberosity transfer effectively addresses patella alta and excessive tibial tubercle-trochlear groove distance.
  • The procedure realigns the extensor mechanism, leading to improved patellofemoral stability.

Conclusions:

  • A structured treatment algorithm incorporating tibial tuberosity transfer can effectively manage episodic patellar dislocations.
  • Combined surgical approaches may be necessary for complex cases involving multiple anatomic abnormalities.