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Trochlear dysplasia: imaging and treatment options.

Cécile Batailler1, Philippe Neyret2

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|June 29, 2018
PubMed
Summary

Surgical trochleoplasty techniques improve clinical scores and reduce recurrent patellar dislocation, allowing a return to sport. However, these procedures do not prevent the progression of patellofemoral arthritis.

Keywords:
Bereiter trochleoplastycrossing signdeepening trochleoplastypatellar instabilitypatellofemoral osteoarthritisrecession trochleoplastysupra-trochlear spur

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Area of Science:

  • Orthopedic surgery
  • Biomedical engineering

Background:

  • Recurrent patellar dislocation can cause cartilage damage, instability, and osteoarthritis.
  • Trochlear dysplasia is a key factor in patellar dislocation.

Purpose of the Study:

  • To review surgical techniques for trochleoplasty in treating patellar instability.
  • To evaluate the mid-term outcomes of different trochleoplasty methods.

Main Methods:

  • Review of sulcus deepening, 'Bereiter', and recession trochleoplasty techniques.
  • Analysis of mid-term clinical outcomes, recurrence rates, and return to sport.

Main Results:

  • All reviewed trochleoplasty techniques demonstrated improved clinical scores post-surgery.
  • A low rate of recurrent dislocation and a potential for return to sport were observed.
  • These surgical interventions did not halt the progression of patellofemoral arthritis.

Conclusions:

  • Trochleoplasty offers mid-term benefits for recurrent patellar dislocation but does not prevent arthritis progression.
  • Surgical strategies should consider patient-specific factors for optimal outcomes.