Reduced ASD incidence seen at 5 years with maintained lumbar TDR motion
By Admin | October 15, 2018
LOS ANGELES — The evolution of total disc replacement prostheses over time from devices with constrained cores to ones with more mobile cores may ultimately help mitigate adjacent segment disease in patients, according to results of a post hoc analysis presented at the North American Spine Society Annual Meeting.
At 5-year follow-up, Scott L. Blumenthal, MD, and colleagues studied changes in range of motion (ROM) using radiographs for the ProDisc-L (DePuy Synthes) and activL (Aesculap Implant Systems LLC) lumbar total disc replacement (TDR) devices, which have a constrained and mobile core, respectively. In addition, in their study of the FDA investigational device exemption trial data for the two devices, the researchers compared any differences in rates of adjacent segment disease (ASD) with the two prosthesis designs.
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