Neuromodulation reduced postoperative back pain; disability benefits remain uncertain
A review of sham-controlled trials found less pain and lower painkiller use after lumbar surgery, without a statistically significant improvement in functional disability.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
Across randomized trials, neuromodulation reduced pain intensity and painkiller use compared with sham treatment after lumbar spine surgery. The pooled disability result was not statistically significant, so pain relief should not be assumed to mean better daily functioning. The abstract also leaves uncertainty about which techniques work best and how long any benefits last.
The trials varied in their results, and the abstract does not give treatment-specific findings or follow-up lengths. It reports adverse effects without a clear comparison by treatment group, limiting conclusions about comparative safety.
What researchers found
Pain intensity
Neuromodulation versus sham after lumbar surgery; follow-up timing was not reported. The estimate uses standard-deviation units rather than pain-scale points.
Reading the pain estimate
The pooled estimate combines pain scores on a standardized scale. It describes a difference between treatment groups, not a percentage reduction in pain or a change on a specific pain questionnaire.
Daily functioning remains unresolved
Painkiller use also declined, but the analysis did not establish a functional-disability improvement. The uncertainty range for disability crossed the no-difference point, leaving the effect on daily function unresolved.
The original publication
Efficacy of Neuromodulation in Postoperative Acute and Chronic Low Back Pain after Lumbar Spine Surgery: A Systematic Review and Meta-Analysis of Randomized Controlled Trials with Trial Sequential Analysis and Meta-Regression.
Penchev P, Milanova-Ilieva D, Gaydarski L et al.
J Clin Neurosci · 2026
- PubMed ID
- 41418517
- Record checked
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