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Related Experiment Videos

Bone imaging after acute knee hemarthrosis

D Fritschy1, D M Daniel, D Rossman

  • 1Department of Orthopedic Surgery, Kaiser Hospital, San Diego, California, USA.

Knee Surgery, Sports Traumatology, Arthroscopy : Official Journal of the ESSKA
|January 1, 1993
PubMed
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Long-term follow-up of knee injuries reveals significant joint deterioration in most patients. Anterior cruciate ligament reconstruction did not prevent these changes, with higher scores in reconstructed knees.

Area of Science:

  • Orthopedics
  • Sports Medicine
  • Radiology

Background:

  • Acute traumatic hemarthrosis of the knee can lead to long-term joint issues.
  • Initial assessment identified a high prevalence of anterior instability in injured knees.
  • Previous studies have explored the outcomes of knee injuries, but long-term joint deterioration patterns require further documentation.

Purpose of the Study:

  • To evaluate long-term joint deterioration in patients with a history of acute traumatic knee hemarthrosis.
  • To assess the impact of anterior cruciate ligament reconstruction on joint health over time.
  • To correlate findings from bone scintigraphy and conventional radiography with knee stability and treatment history.

Main Methods:

  • Follow-up evaluations were conducted 5-8 years post-injury in 84 patients.

Related Experiment Videos

  • Bone scintigraphy and conventional radiography (anteroposterior, lateral, tunnel views) were used to assess joint deterioration.
  • Scoring systems were applied to bone scan uptake (medial, lateral, patellofemoral, patellar) and radiological variables at multiple sites.

    • Main Results:

    • A significant majority of patients (75% bone scan, 82% X-ray) exhibited signs of joint deterioration at follow-up.
    • Both bone scan and X-ray scores were significantly higher in knees that had undergone anterior cruciate ligament reconstruction.
    • Initial knee instability was a common finding, with a substantial number of patients undergoing reconstruction at different time points.

    Conclusions:

    • Acute traumatic knee hemarthrosis is associated with substantial long-term joint deterioration.
    • Anterior cruciate ligament reconstruction, while potentially addressing instability, did not prevent the progression of joint deterioration.
    • Radiological and scintigraphic evidence indicates ongoing degenerative changes in the knee joint years after the initial injury, irrespective of surgical intervention.