Preservation of meniscal tissue is paramount for long-term joint function, especially in younger patients who are athletically active. Many studies have reported encouraging results following repair of meniscus tears for both simple longitudinal tears located in the periphery and complex multi-planar tears that extend into the central third avascular region. This operation is usually indicated in active patients who have tibiofemoral joint line pain and are less than 50 years of age. However, not all meniscus tears are repairable, especially if considerable damage has occurred. In select patients, meniscus transplantation may restore partial load-bearing meniscus function, decrease symptoms, and provide chondroprotective effects. The initial postoperative goal after both meniscus repair and transplantation is to prevent excessive weight bearing, as high compressive and shear forces can disrupt healing meniscus repair sites and transplants. Immediate knee motion and muscle strengthening are begun the day following surgery. Variations are built into the rehabilitation protocol according to the type, location, and size of the meniscus repair; if concomitant procedures are performed; and if articular cartilage damage is present. Meniscus repairs located in the periphery heal rapidly, whereas complex multiplanar repairs tend to heal more slowly and require greater caution. We have reported the efficacy of the rehabilitation programs and the results of meniscus repair and transplantation in many studies. Noyes FR, Heckmann TP, Barber-Westin SD. J Orthop Sports Phys Ther. 2011 Sep 4. [Epub ahead of print] PMID: 21891878
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