The Genesis Total Knee Prosthesis

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Abstract
This current author reports on the results of 100 consecutive patients with osteoarthritis who underwent a primary cemented total knee replacement using the Genesis prosthesis and who have been followed up for at least 10 years after surgery. In patients in whom the posterior cruciate ligament was sacrificed (combined flexion and angular deformities > 15° to 20°) a posterior-stabilized cam module was affixed to the femoral component and a posterior-stabilized polyethylene was used. More than 95% of patients in both groups had excellent pain relief. The mean flexion was 114° in the group of patients in whom the posterior cruciate ligament was sacrificed and 117° in the group of patients in whom the posterior cruciate ligament was retained. Partial bone cement tibial radiolucencies were seen in 12% of the patients in whom the posterior cruciate ligament was retained and 2% of the patients in whom the posterior cruciate ligament was sacrificed. At 10 years, 76% of the group in whom the posterior cruciate ligament was retained had excellent results and 20% had good results. In the group in whom the posterior cruciate ligament was sacrificed 75% had excellent results and 23% had good results. The survivorship was 96% in the group of patients in whom the posterior cruciate ligament was retained and 97% in the group of patients in whom the posterior cruciate ligament was sacrificed.