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Management of first-time patellar dislocation: The ESSKA 2024 formal consensus-Part 1.

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Summary

This consensus provides recommendations for first-time patellar dislocation (FTPD) diagnosis and evaluation. Early MRI is crucial for identifying risk factors and lesions in FTPD patients, guiding treatment decisions.

Keywords:
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Area of Science:

  • Orthopaedics
  • Sports Medicine
  • Knee Surgery

Background:

  • First-time patellar dislocation (FTPD) is a common knee injury.
  • Accurate diagnosis and evaluation are critical for effective management.
  • Understanding underlying pathoanatomic factors influences treatment strategies.

Purpose of the Study:

  • To establish expert consensus recommendations for the diagnosis and evaluation of first-time patellar dislocation (FTPD).
  • To outline key clinical findings, imaging modalities, and risk factors associated with FTPD.

Main Methods:

  • A European consensus methodology involving 54 orthopaedic surgeons and 1 physiotherapist.
  • Development and evaluation of 32 statements based on expert experience and literature review.
  • Consensus achieved on 13 statements regarding FTPD diagnosis and evaluation.

Main Results:

  • An inverse correlation exists between trauma intensity and underlying pathoanatomic risk factors in FTPD.
  • Clinical evaluation should include patient history, age, family history, and injury mechanism.
  • Early magnetic resonance imaging (MRI) is recommended to detect predisposing factors (e.g., trochlear dysplasia, patella alta) and osteochondral lesions, except in asymptomatic cases.
  • Recurrent instability affects ~25% of patients, while 50% experience pain, swelling, and functional limitations, impacting quality of life.

Conclusions:

  • Consensus was reached on 13 statements concerning the diagnosis and evaluation of first-time patellar dislocation.
  • These recommendations aim to standardize the initial management of FTPD patients.