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With recent advances in motion‐sparing techniques in spine surgery, disc nucleus replacement (DNR) has been introduced as a viable method to restore the biomechanical functions of the spine. Several methods of DNR have been proposed in the literature. However, the risk of device migration or extrusion is a major issue that should be addressed for a successful DNR. DNR using a balloon nucleus (BN)...
Introduction. There is a renewed interest in analgesic testing, influenced by several studies reporting robust surgical results when the diagnosis of discogenic pain is confirmed by relief of pain post‐provocative discography after injecting local anesthetic into painful discs.
Objective. We anticipated and sought to confirm that injecting local anesthetic in intervertebral discs would provide convincing...
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