Knee cartilage transplant, also known as autologous chondrocyte implantation (ACI) or osteochondral transplant, is a surgical procedure used to repair damaged cartilage in the knee. The success rates of this procedure can vary based on several factors, including the patient’s age, the extent of cartilage damage, and the specific technique used.
As of my last update in April 2023:
- Success Rate:
- The success rate for knee cartilage transplants can range widely but is generally reported to be around 70-85%. This rate can vary depending on the specific technique used and the criteria used to define “success” (e.g., pain relief, return to sports, structural repair).
- Factors Influencing Success:
- Age and Activity Level: Younger patients and those with a higher activity level tend to have better outcomes.
- Size and Location of Defect: Smaller, well-contained defects in specific areas of the knee (like the femoral condyles) often have better outcomes.
- Surgical Technique: There are different techniques for cartilage repair, such as mosaicplasty, ACI, and osteochondral allograft transplantation. Each has its own success rates and ideal indications.
- Patient Health: Overall health and weight, as well as the stability and alignment of the knee, can impact the success of the transplant.
- Recovery and Rehabilitation:
- Recovery and rehabilitation play a crucial role in the success of the surgery. This often involves several months of physical therapy.
- Long-Term Outcomes:
- Long-term success also depends on how well the transplanted cartilage integrates with the surrounding tissue and the patient’s adherence to post-operative care and lifestyle modifications.
- Over time, some patients may require additional procedures if the transplant does not fully resolve the symptoms or if new issues arise.
- Risks and Complications:
- As with any surgical procedure, there are risks of complications such as infection, graft failure, or issues with graft integration.
- Patient Selection:
- Ideal candidates for this procedure are typically young adults with a single cartilage defect caused by injury or a specific condition, rather than widespread arthritis.
It’s important to note that these statistics can vary based on the source and the specific patient population. Patients considering this procedure should consult with orthopedic specialists to understand how their individual circumstances might affect the potential outcomes of the surgery.