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Updated: Jan 15, 2026
Subcutaneous Trigeminal Nerve Field Stimulation for Refractory Facial Pain
Published on: May 10, 2017
末梢神経刺激療法は三叉神経痛の管理に有効である：システマティックレビューおよびメタアナリシス
Kan Yue1, Xinyu Lei2, Ruilin He2
1Department of Pain Management, The First Affiliated Hospital of Bengbu Medical University, Bengbu City, 233000, Anhui Province, People's Republic of China.
Introduction:
Trigeminal Neuralgia (TN) patients usually experience severe facial pain, leading to a significant reduction in quality of life.
Objective:
To evaluate the effect of peripheral nerve stimulation (PNS) on pain relief in patients with TN.
Methods:
The databases of EMBASE, WEB OF SCIENCE, and PUBMED were searched from inception to 2024 for clinical trials of PNS for TN. The inclusion criteria consisted of any study using PNS to treat TN and reporting outcomes of pain intensity. Risk of bias was assessed using Revised Cochrane Risk of Bias 2.0 and Methodological Index of Non-Randomised Studies (MINORS) tool. Meta-analysis was conducted with RevMan 5.3 and publication bias was evaluated via Egger's test through STATA17.
Results:
We identified 1,574 citations, and included 9 trials comprising 112 participants. In terms of efficacy, PNS was associated with significant pain relief compared to baseline (MD, -6.23 cm [95% CI, -7.20 to -5.26 cm], P < 0.05, I2 = 89%), with the reduction closely approaching the minimal important difference (MID) threshold of 6.25 cm. Subgroup analysis showed that patients with baseline pain scores ≥ 8 experienced greater pain relief (N = 52, MD, -7.06 cm [95% CI, -8.30 to -5.82 cm], I2 = 87%, p = 0.02) compared to patients with pain scores < 8(N = 60, MD, -4.75 cm [95% CI, -6.22 to -3.28 cm], I2 = 89%) .
Conclusions:
The meta-analysis results showed PNS leads to a statistically and clinically significant improvement in pain. PNS may be a promising approach in the management of TN.
