Acupuncture review reports lower back-pain scores alongside brain imaging differences
Pain scores favored acupuncture over sham, but the abstract leaves their practical importance and proposed brain mechanisms uncertain.
Based on the published abstract. The full paper may contain additional methods, results and limitations.
The 30-second takeaway
The review found lower pain scores with acupuncture than with sham treatment in both acute and chronic nonspecific low back pain. Imaging analyses described different activation patterns for acute and chronic pain. These findings suggest symptom differences in the included studies, but do not establish that the observed brain changes explain the pain effects.
This abstract-based summary cannot establish that brain changes caused pain relief. The review included nonrandomized studies, and its authors call for stronger research to validate the proposed mechanisms.
What researchers found
Acute low back pain: weighted mean difference
The pooled average pain-score difference favors acupuncture over sham; the minus sign means lower scores with acupuncture. The pain scale and assessment timing were not reported, preventing a judgment of clinical importance.
What imaging added
Researchers combined symptom results with resting-state functional MRI findings. The imaging analysis described different activation patterns in acute and chronic pain, including changes involving the insula and other brain regions.
Why subgroups cannot be ranked
Pain scores favored acupuncture over sham in both acute and chronic pain analyses. Their effect sizes cannot establish which group benefits more, because the abstract reports no direct comparison between those subgroups.
The original publication
Neuroimaging evidence for central mechanisms of acupuncture in non-specific low back pain: a systematic review and meta-analysis.
Huang FF, Liu J, Lu M et al.
Front Med (Lausanne) · 2025
- PubMed ID
- 41179904
- Record checked
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