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Related Experiment Video

Updated: May 10, 2026

Establishment and Evaluation of a Sheep Model of Full-thickness Osteochondral Defect
05:23

Establishment and Evaluation of a Sheep Model of Full-thickness Osteochondral Defect

Published on: April 14, 2026

Osteochondral scaffold reconstruction for complex knee lesions: a comparative evaluation.

G Filardo1, E Kon, F Perdisa

  • 1Nano-Biotechnology Laboratory, II Orthopaedic Clinic, Rizzoli Orthopaedic Institute, Via di Barbiano 1/10, 40136 Bologna, Italy.

The Knee
|July 2, 2013
PubMed
Summary

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Osteochondral scaffolds combined with comorbidity treatment show promising results for complex knee lesions. This regenerative approach may be superior to chondral scaffolds alone for knee articular surface repair.

Area of Science:

  • Orthopedic Surgery
  • Regenerative Medicine
  • Biomaterials Science

Background:

  • Challenging knee lesions require innovative treatment strategies.
  • Complex cases involve factors like intra-articular fractures, tibial plateau lesions, and concurrent procedures.
  • Previous treatments often focused on chondral defects, leaving osteochondral issues unaddressed.

Purpose of the Study:

  • To evaluate the efficacy of osteochondral scaffold implantation for complex knee lesions.
  • To compare outcomes of osteochondral scaffolds versus chondral scaffolds in knee joint repair.
  • To assess the impact of treating comorbidities alongside scaffold implantation.

Main Methods:

  • A comparative study involving patients with complex knee articular surface lesions.
Keywords:
CartilageCombined surgeryComplex casesOsteochondral scaffoldRegenerative medicine

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Treatment of Osteochondral Defects in the Rabbit's Knee Joint by Implantation of Allogeneic Mesenchymal Stem Cells in Fibrin Clots

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Related Experiment Videos

Last Updated: May 10, 2026

Establishment and Evaluation of a Sheep Model of Full-thickness Osteochondral Defect
05:23

Establishment and Evaluation of a Sheep Model of Full-thickness Osteochondral Defect

Published on: April 14, 2026

Treatment of Osteochondral Defects in the Rabbit's Knee Joint by Implantation of Allogeneic Mesenchymal Stem Cells in Fibrin Clots
11:22

Treatment of Osteochondral Defects in the Rabbit's Knee Joint by Implantation of Allogeneic Mesenchymal Stem Cells in Fibrin Clots

Published on: May 21, 2013

  • Thirty-three patients received osteochondral scaffolds; 23 patients previously treated with chondral scaffolds served as a comparison group.
  • Complex cases were defined by specific criteria including fracture history, lesion location, and concurrent procedures.

    • Main Results:

    • Significant improvements in IKDC subjective scores were observed post-operatively for both groups.
    • Osteochondral scaffold group showed better subjective IKDC scores at final follow-up compared to the chondral scaffold group (p=0.034).
    • Positive trends were also noted in VAS and Tegner scores, indicating enhanced knee function and activity levels.

    Conclusions:

    • Regenerative procedures addressing the entire osteochondral unit are effective for complex knee lesions.
    • Treating comorbidities concurrently with scaffold implantation improves outcomes.
    • Osteochondral scaffolds offer a viable alternative to non-biological resurfacing for challenging knee injuries.