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Non-anatomic proximal realignment for recurrent patellar dislocation does not sufficiently prevent redislocation.

Turgay Efe1, Julia Seibold, Markus Geßlein

  • 1Department of Trauma, Hand and Reconstructive Surgery, University Hospital Marburg, Germany.

The Open Orthopaedics Journal
|March 21, 2012
PubMed
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Insall's proximal realignment for recurrent patellar dislocation shows low patient satisfaction and does not adequately prevent redislocation. Many patients experienced poor outcomes or dissatisfaction with the surgical procedure.

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Biomechanics

Background:

  • Recurrent patellar dislocation presents a significant clinical challenge.
  • Various surgical techniques exist, but clinical outcomes are inconsistent.
  • Insall's proximal realignment is one such technique for patellar instability.

Purpose of the Study:

  • To evaluate the mid-term clinical outcomes of Insall's proximal realignment procedure.
  • To assess patient satisfaction and functional recovery following surgery for recurrent patellar dislocation.

Main Methods:

  • A cohort of 45 patients undergoing Insall's procedure for recurrent patellar dislocation was reviewed.
  • Follow-up averaged 49 months, assessing redislocations, complications, and patient-reported outcomes (Kujala score, Tegner activity scale).
Keywords:
InsallPatellar instabilityProximal realignmentRedislocation.

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  • Subjective patient assessments were also collected.

    • Main Results:

    • No statistically significant improvements were observed in patient-reported outcome measures.
    • 35% of patients reported poor to fair results on the Kujala score.
    • 27% were dissatisfied, 22% experienced redislocations, and 9% developed intra-articular hematoma requiring arthroscopy.

    Conclusions:

    • Insall's proximal realignment demonstrates low patient satisfaction at mid-term follow-up.
    • The non-anatomic approach may not effectively prevent recurrent patellar dislocations.
    • Further research into optimal surgical strategies for recurrent patellar dislocation is warranted.