Intraarticular arthrofibrosis of the knee alters patellofemoral contact biomechanics View Full Text


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Article Info

DATE

2017-12

AUTHORS

Jacob D. Mikula, Erik L. Slette, Kimi D. Dahl, Scott R. Montgomery, Grant J. Dornan, Luke O’Brien, Travis Lee Turnbull, Thomas R. Hackett

ABSTRACT

BACKGROUND: Arthrofibrosis in the suprapatellar pouch and anterior interval can develop after knee injury or surgery, resulting in anterior knee pain. These adhesions have not been biomechanically characterized. METHODS: The biomechanical effects of adhesions in the suprapatellar pouch and anterior interval during simulated quadriceps muscle contraction from 0 to 90° of knee flexion were assessed. Adhesions of the suprapatellar pouch and anterior interval were hypothesized to alter the patellofemoral contact biomechanics and increase the patellofemoral contact force compared to no adhesions. RESULTS: Across all flexion angles, suprapatellar adhesions increased the patellofemoral contact force compared to no adhesions by a mean of 80 N. Similarly, anterior interval adhesions increased the contact force by a mean of 36 N. Combined suprapatellar and anterior interval adhesions increased the mean patellofemoral contact force by 120 N. Suprapatellar adhesions resulted in a proximally translated patella from 0 to 60°, and anterior interval adhesions resulted in a distally translated patella at all flexion angles other than 15° (p < 0.05). CONCLUSIONS: The most important finding in this study was that patellofemoral contact forces were significantly increased by simulated adhesions in the suprapatellar pouch and anterior interval. Anterior knee pain and osteoarthritis may result from an increase in patellofemoral contact force due to patellar and quadriceps tendon adhesions. For these patients, arthroscopic lysis of adhesions may be beneficial. More... »

PAGES

40

References to SciGraph publications

  • 2010-04. How to Treat the Stiff Total Knee Arthroplasty?: A Systematic Review in CLINICAL ORTHOPAEDICS AND RELATED RESEARCH®
  • 2007-01. Arthroscopic treatment of patients with moderate arthrofibrosis after total knee replacement in KNEE SURGERY, SPORTS TRAUMATOLOGY, ARTHROSCOPY
  • 2005-10. Anatomical analysis of the medial patellofemoral ligament of the knee, especially the femoral attachment in KNEE SURGERY, SPORTS TRAUMATOLOGY, ARTHROSCOPY
  • 2009-09. Stiffness in total knee arthroplasty in JOURNAL OF ORTHOPAEDICS AND TRAUMATOLOGY
  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1186/s40634-017-0110-8

    DOI

    http://dx.doi.org/10.1186/s40634-017-0110-8

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1099599486

    PUBMED

    https://www.ncbi.nlm.nih.gov/pubmed/29260429


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