How long do osteochondral allografts last?
Overall, osteochondral allografts to treat chondral lesions of the tibial plateau provide significant functional improvement for 10 years; however, less than 50 % are expected to survive 20 years [35•, 36].
What is osteochondral autograft?
Osteochondral autograft transfer (OATS) involves harvesting bone and intact articular cartilage from a less weight bearing portion of the knee to fill the defect in the weight bearing portion. It can be performed arthroscopically.
What is osteochondral irregularity?
An osteochondral defect refers to a focal area of damage that involves both the cartilage and a piece of underlying bone. These can occur from an acute traumatic injury to the knee or an underlying disorder of the bone.
What is osteochondral allograft transplantation?
Osteochondral grafting is a method of treating cartilage injuries that expose underlying bone. An osteochondral allograft is a piece of tissue containing bone and cartilage that is taken from a deceased donor to replace damaged cartilage that lines the ends of bones in a joint.
How much does osteochondral allograft surgery cost?
Osteochondral allograft transplantation The downsides of this technique are graft availability, cost (with grafts approaching upward of $10,000), and the risk of disease transmission.
Do osteochondral defects get worse?
Treatments. Osteochondral defects generally linger or get worse unless they’re treated.
Do osteochondral defects heal?
Most osteochondral talar defects are caused by trauma. They may heal and remain asymptomatic or progress to subchondral cysts with deep ankle pain on weight bearing.
How long does allograft take to heal?
A small allograft procedure may lead your body to recover in as little as two weeks while larger procedures can take months. Keep in mind that your body will heal faster than the bone graft. An allograft usually takes a minimum of three months to adhere to your bone.
Are allografts permanent?
Background: Skin allograft is the gold standard of wound coverage in patients with extensive burns; however, it is considered as a temporary wound coverage and rejection of the skin allograft is considered inevitable. In our study, skin allograft as a permanent coverage in deep burns is evaluated.
How does the osteochondral autograft transfer system work?
The Osteochondral Autograft Transfer System (OATS; Arthrex, Naples, FL) is an excellent option for the treatment of articular cartilage lesions within the knee. Current literature suggests that at early-term to midterm follow-up, patients experience improved function, alleviation of pain, and good satisfaction with acceptable complication rates.
Where does the bone come from for an osteochondral graft?
Osteochondral grafts replace both the articular cartilage on the surface and the underlying bone. The tissue can come from other parts of the patient’s body (called osteochondral autograft) or from a tissue donor (osteochondral allograft). These techniques are commonly used in the knee but can be used in other joints.
Is there a failure rate for osteochondral allografts?
The systematic review found a significant failure rate with osteochondral allografts for talar lesions. Although there is a potential to delay or avoid arthrodesis or total ankle arthroplasty in younger patients, use of an allograft may be detrimental to future treatments.
What makes a prochondrix an osteochondral allograft?
ProChondrix (AlloSource) and Cartiform (Arthrex) are wafer-thin allografts where the bony portion of the allograft is reduced. The discs are laser etched and contain hyaline cartilage with chondrocytes, growth factors, and extracellular matrix proteins.