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[Patellar instability].

S Endres1, N Endres, K Lappas

  • 1Klinik für Orthopädie, Unfallchirurgie und Rheumatologie, Elisabeth-Klinik GmbH, Bigge/Olsberg, Olsberg. endres_s@freenet.de

Sportverletzung Sportschaden : Organ Der Gesellschaft Fur Orthopadisch-Traumatologische Sportmedizin
|February 7, 2007
PubMed
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This study shows that the Elmslie-Trillat reconstruction combined with soft tissue intervention is highly effective for treating patellar instability. The procedure resulted in excellent outcomes for most patients, with a low redislocation rate after three years.

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Biomechanical Engineering

Background:

  • Patellar instability, including recurrent dislocation and lateral displacement, significantly impacts patient quality of life and athletic function.
  • Traditional surgical interventions for patellar instability have varying success rates and complication profiles.

Purpose of the Study:

  • To evaluate the efficacy of the Elmslie-Trillat reconstruction combined with soft tissue intervention for treating patellar instability.
  • To assess clinical outcomes, including redislocation rates and return to sport, at a three-year follow-up.

Main Methods:

  • Retrospective study of 23 patients with patellar instability undergoing combined Elmslie-Trillat reconstruction and soft tissue intervention.
  • Preoperative and follow-up radiographic evaluation using weight-bearing anteroposterior and merchant views, assessing Insall-Salvati index, sulcus angle, and congruence angle.

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  • Clinical outcomes evaluated using Knee-Society and Tegner scores at three-year follow-up.

    • Main Results:

    • Excellent or good subjective results were reported in 22 out of 23 patients at three years.
    • A low redislocation rate of 1 out of 26 was observed.
    • Most patients successfully returned to their previous level of sporting activity.

    Conclusions:

    • The combined Elmslie-Trillat reconstruction and soft tissue intervention technique demonstrates excellent efficacy in managing patellar instability.
    • This combined approach effectively corrects abnormal patellar parameters, leading to dynamic stability and high patient satisfaction.
    • The technique facilitates a successful return to pre-injury levels of athletic activity.