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Meniscal impingement syndrome

D A McGuire1, F A Barber, S D Hendricks

  • 1Plano Orthopedic and Sports Medicine Center, Texas, USA.

Arthroscopy : the Journal of Arthroscopic & Related Surgery : Official Publication of the Arthroscopy Association of North America and the International Arthroscopy Association
|December 1, 1996
PubMed
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Meniscal impingement syndrome involves medial meniscus impaction, significant cartilage damage, and knee hyperextension. Treatment through arthroscopic debridement and rehabilitation improved patient scores and reduced hyperextension.

Area of Science:

  • Orthopedic Surgery
  • Sports Medicine
  • Knee Biomechanics

Background:

  • Meniscal impingement syndrome is characterized by specific criteria including medial meniscus impaction, Outerbridge grade 3 or higher articular cartilage damage, and knee hyperextension.
  • This condition is uncommon and requires careful evaluation, particularly in patients presenting with knee hyperextension.

Purpose of the Study:

  • To review the clinical presentation, treatment, and outcomes of meniscal impingement syndrome.
  • To highlight the diagnostic considerations for this specific knee condition.

Main Methods:

  • A retrospective review of seven knees diagnosed with meniscal impingement syndrome.
  • Surgical intervention involved arthroscopic evaluation and debridement of damaged articular cartilage and synovitis.

Related Experiment Videos

  • Postoperative rehabilitation protocol included extension block bracing, hamstring strengthening, and closed-chain exercises.

    • Main Results:

    • The average follow-up period was 39 months, with an average delay of 45 months from symptom onset to surgery.
    • Patients demonstrated improvement in Tegner scores post-treatment.
    • A reduction in postoperative knee hyperextension was observed following the implemented regimen.

    Conclusions:

    • Meniscal impingement syndrome is a distinct clinical entity requiring thorough assessment of the medial femoral condyle in hyperextended knees.
    • Arthroscopic debridement combined with a structured rehabilitation program can lead to positive outcomes, including improved function and reduced hyperextension.