Evaluation of outcomes of discectomy with a dynamic neutralization system in treatment of lumbar disk herniation.
OrthoEvidence Journal (OE Journal) - ACE Report
OE Journal. 2023;11(21):20 Neurocirugia (Astur : Engl Ed) . 2023 Jul-Aug;34(4):161-167.What this means for my practice?
Overall, the use of a dynamic neutralization system in discectomy was shown to be advantageous with regard to radiological, intraoperative, and clinical outcomes, with the exception of blood loss and operative time, compared to discectomy alone for the treatment of lumbar disc herniation. The results of this trial were limited by a single-center design, small sample size, and the lack of blinding of surgeons. Larger, multi-center trials are needed to confirm the results of this study.
Study Summary
128 patients with single-segmental lumbar disc herniation were randomized to undergo either discectomy with dynamic neutralization (n=64) or simple discectomy (n=64). Outcomes of interest included operative time, blood loss, complication rates, Oswestry Disability Index (ODI), low back pain and leg pain scores on a Visual Analog Scale (VAS), intervertebral height (ventral and dorsal), and range of motion. Outcomes were assessed at 1, 3, and 6 months, and 1 and 2 years following surgery. All clinical outcomes, with the exception of VAS for leg pain (1-6 months), blood loss, and operative time, were significantly better in the group that received a discectomy with dynamic neutralization.
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