Meniscal Allografts: Biomechanics and Techniques

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Arthroscopic partial meniscectomy is one of the most common orthopedic surgical procedures performed. Numerous clinical and biomechanical studies have shown the long-term consequences of the meniscus-deficient knee, which includes increased loading of the cartilage. This leads to chondromalacia, and ultimately pain and dysfunction. Few treatment options are available for the young patient with pain in the tibiofemoral compartment secondary to meniscus deficiency. Meniscal allograft transplantation is a viable treatment option in this group of patients as short-term results have shown pain relief and functional improvement. Biomechanical studies have shown that the allograft meniscal transplant functions most like a native, intact meniscus when specific surgical principles are followed. Surgical techniques for meniscal allograft transplantation have advanced along with instrumentation. An improvement in function and pain relief can be expected when strict criteria are followed in patient selection and surgical technique.

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