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Osteoarticular Transfer System (OATS) Procedure for Repairing Articular Cartilage Defects of the Talus

Indications

A symptomatic osteochondral lesion (OCL) greater than 8-10 mm. Authors vary on which size need to be treated with an ostechondral graft. With a smaller OCL, debridement is best.  

Preoperative Planning

X-rays and an MRI should be taken.

Positioning

Detailed below.  

Approach

Detailed below. 

Techniques

Step by step description to illustrate surgical technique

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Pearls and Pitfalls

Obtaining proper alignment of graft so excellent congruency is achieved is of the utmost importance. 

Postoperative Care

Include immediate postoperative care and rehabilitation

Outcome

Include functional and prosthetic survivorship data as applicable

Complications

A possible complication is adjacent cyst formation in the talus probably due to inadaquate cartilage growth. Results can possibly be mitigated by obtaining best fit and through the use of PRP or BMAC. Fixation of the medial malleolar osteotomy to achieve anatomic reduction and avoid proximal migration is very important.

References

Include limited reference list

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Academic Resources

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