ARTHROPLASTY
Radiostereometric analysis: no additional benefit of Unique femoral stem compared to AGB-I
Acta Orthop. 2014 Apr;85(2):152-8100 patients with primary or secondary osteoarthritis were randomized to investigate any additional benefits associated with the use of the Unique customized stem compared with the conventional ABG-I stem. Patients were evaluated over 5 years using radiostereometric (RSA). The evidence presented in this study revealed no improvement in long-term mechanical stability associated with the Unique stem. It is important to note that no included patients presented with abnormal geometry of the upper femur for which the custom stems are developed.
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