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Related Experiment Videos

Cartilage resurfacing: filling defects.

Allan E Gross1

  • 1Division of Orthopaedic Surgery, Mount Sinai Hospital, 600 University Avenue, Suite 476A, Toronto, Ontario M5G 1X5, Canada.

The Journal of Arthroplasty
|May 6, 2003
PubMed
Summary

Various surgical techniques address chondral defects, ranging from arthroscopic surface treatments for small lesions to osteochondral grafts and cell transplantation for larger defects. The choice depends on defect size and type.

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Area of Science:

  • Orthopedic Surgery
  • Regenerative Medicine
  • Sports Medicine

Background:

  • Chondral defects are common joint injuries.
  • Current treatments vary based on defect size and depth.

Purpose of the Study:

  • To review and categorize surgical management options for chondral defects.
  • To outline the indications for different arthroscopic and open surgical techniques.

Main Methods:

  • Arthroscopic debridement, abrasion arthroplasty, and microfracture for small defects.
  • Osteochondral autografts (mosaicplasty), cartilage cell transplantation, and periosteal grafts for medium to large defects.
  • Osteochondral allografts for large, uncontained defects.

Main Results:

  • Arthroscopic surface treatments are suitable for small chondral defects.
  • Mosaicplasty and cell transplantation can manage defects up to 3 cm.
  • Periosteal grafting is investigational for large defects; osteochondral allografts are used for defects >3 cm and >1 cm deep.
  • Realignment osteotomy is indicated with coexisting deformities.

Conclusions:

  • Treatment selection for chondral defects is guided by defect characteristics.
  • A range of arthroscopic and open surgical options exist, with ongoing development in regenerative techniques.

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