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Medtronic Presents 7-year Clinical Data for Artificial Disc Replacement BY ANDREW VAHRADIAN, DECEMBER 12, 2013

Medtronic presented 7-year clinical and radiographic outcomes of artificial disc replacement procedures with its PRESTIGE Cervical Disc, which is a stainless steel device that articulates through a ball and trough mechanism.

The study enrolled a total 541 patients and compared PRESTIGE to anterior cervical discectomy and fusion (ACDF) procedures. Of the 541 patients involved, 395 of those patients (212 PRESTIGE Disc and 183 fusion patients) completed seven years of clinical follow-up. Results indicated that significant improvements in pain and functional outcomes observed within 1.5 months in both groups were sustained at seven years.

This conclusion was supported by results demonstrating: effectiveness and safety measures, as well as the rate of maintenance or improvement in neurological statuses, were greater in the PRESTIGE Disc group compared to fusion. Additionally, the study determined that patients in the PRESTIGE Disc group experienced lower overall neck pain and had a lower rate of additional surgeries at the index level. Of note, one incident of screw loosening in the investigational group classified as associated with implant/surgical procedure was observed.

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