Efficacy of Transcutaneous Auricular Vagus Nerve Stimulation for Postoperative Pain: A Systematic Review and Meta-Analysis
Zheng-Chun Mao, Yue-Zhong Lv, Qi-Hong Shen, Gang Chen · 2026
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Description
Zheng-Chun Mao and co-authors pool trial results on an ear based nerve treatment for pain after surgery. The treatment sends mild pulses through the skin of the ear to reach the vagus nerve. It needs no drugs, which makes it appealing as drug free aid. The team searched four databases for trials that set it against sham treatment.
Seven trials with close to seven hundred patients met the bar. Pain scores fell with the real treatment at early, mid, and late checks after surgery. Use of strong pain drugs, though, did not drop by a clear margin. Fewer patients needed rescue pain relief, and rebound pain and sickness were less common. The authors urge care, since the drug sparing claim stays unproven.
Catalog record
| CREATOR | Zheng-Chun Mao, Yue-Zhong Lv, Qi-Hong Shen, Gang Chen |
|---|---|
| YEAR | 2026 |
| COLLECTION | PAPERS |
| FORMAT | TXT |
| FILE SIZE | 41 KB |
| VERSION | 1.0 |
| LICENSE | CC BY 4.0 |
| RIGHTS | CC BY |
| SOURCE | Europe PMC |