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Pediatric patellar instability requires recognizing diverse patterns for effective treatment. Complex cases may need more than medial patellofemoral ligament reconstruction, considering growth risks.

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Area of Science:

  • Orthopedic Surgery
  • Pediatric Orthopedics
  • Sports Medicine

Background:

  • Patellar instability in children and adolescents presents diverse challenges, from episodic to fixed dislocations.
  • Recognizing varied instability patterns and risk factors is crucial for selecting appropriate surgical interventions.
  • Medial patellofemoral ligament (MPFL) reconstruction alone may be insufficient for complex pediatric patellar instability.

Purpose of the Study:

  • To review the pathophysiology, risk factors, and classification systems for pediatric patellar instability.
  • To focus on surgical techniques specific to the pediatric population for patellar instability.
  • To summarize the outcomes of surgical techniques for treating patellar instability in children and adolescents.

Main Methods:

  • Review of current literature on pediatric patellar instability.
  • Analysis of pathophysiology, risk factors, and classification systems.
  • Evaluation of surgical techniques and their outcomes in pediatric patients.

Main Results:

  • Diverse forms of patellar instability exist in pediatric populations.
  • Complex instability patterns necessitate surgical approaches beyond isolated MPFL reconstruction.
  • Early treatment balances functional outcomes with the risk of growth disturbances.

Conclusions:

  • Accurate diagnosis of patellar instability patterns in children is essential for treatment planning.
  • Surgical techniques must be tailored to the pediatric population, considering open physes.
  • Understanding the relationship between trochlea, MPFL, and distal femoral physis can advance safe surgical care.