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首页> 美国卫生研究院文献>other >Trigeminal somatosensory-evoked potential: A neurophysiological tool to monitor the extent of lesion of ganglion radiofrequency thermocoagulation in idiopathic trigeminal neuralgia
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Trigeminal somatosensory-evoked potential: A neurophysiological tool to monitor the extent of lesion of ganglion radiofrequency thermocoagulation in idiopathic trigeminal neuralgia

机译：三叉神经体感诱发电位：一种神经生理学工具用于监测特发性三叉神经痛中神经节射频热凝的病变程度

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To reflect the extent of thermolesion of ganglion by testing the change of trigeminal somatosensory-evoked potential (TSEP) before and after ganglion radiofrequency thermocoagulation surgery (GRT), and evaluate long-term clinic effect by follow-up visiting of 1 year.Patients with idiopathic trigeminal neuralgia (TN) in the second division were enrolled between October 2014 and October 2015. They were treated with computed tomography-guided GRT and a follow-up visiting of 1 year. Bilateral TSEP measurements were performed 1 day before and 2 days after the GRT surgery. The latency and peak-to-peak amplitude of W2 and W3 were recorded.Immediate postprocedure pain relief (grades I–III) was 100% and 92.5% 1 year later. Facial numbness rate of grades III and IV was 70%, 40%, and 12.5%, respectively, at immediate, 2 days, and 1 year after GRT. No sever complications happened. The latency of W2 and W3 of patients who had no pain no numbness after 1 year of GRT was 1.74 ± 0.24 and 3.84 ± 0.66 ms, respectively, of TN side, and 1.71 ± 0.39 and 3.63 ± 0.85 ms of the healthy side before GRT. The amplitude of W2 and W3 was 1.13 ± 0.50 and 1.99 ± 1.09 uv, respectively, of TN side and 1.24 ± 0.40 and 1.89 ± 0.81 uv of the healthy side before GRT. There was no statistical difference of the latency and amplitude between 2 sides of W2 and W3 before surgery (P > 0.05). The latency of W2 and W3 delayed and the amplitude reduced especially in TN side after surgery comparing before (P < 0.001). And, comparisons of the latency and amplitude of W2 and W3 between TN side and the healthy side after surgery showed the latency of W2 and W3 delayed (W2: P = 0.02; W3: P = 0.01) and the amplitude of W2 reduced (P = 0.003), but the amplitude of W3 had no statistical difference (P = 0.22). The mean delayed latency and 95% confident interval of W2 and W3 were 0.22 ± 0.35 (0.1–0.34) ms and 0.35 ± 0.64 (0.14–0.57) ms, respectively. The mean decreased amplitude and 95% confident interval of W2 and W3 were 22 ± 24 (14–30)% and 23 ± 32 (12–34)%, respectively.GRT can make the latency delay and the amplitude decrease of TSEP. And the latency and amplitude of W2 and W3 can be considered reliable and safe reference for monitoring the extent of thermolesion.
机译：通过测试神经节射频热凝手术（GRT）前后三叉神经体感诱发电位（TSEP）的变化来反映神经节的热损伤程度，并通过1年的随访来评估长期临床效果。第二部分的特发性三叉神经痛（TN）在2014年10月至2015年10月期间入选。他们接受了X线计算机断层扫描引导的GRT治疗，并进行了为期1年的随访。在GRT手术前1天和术后2天进行双边TSEP测量。记录W2和W3的潜伏期和峰峰幅度。一年后，立即的术后疼痛缓解（I–III级）分别为100％和92.5％。 GRT后立即，2天和1年，III级和IV级的面部麻木率分别为70％，40％和12.5％。没有发生严重的并发症。 GRT一年后无疼痛无麻木的患者的W2和W3潜伏期分别为TN侧为1.74±0.24和3.84±0.66 ms，而GRT之前健康侧为1.71±0.39和3.63±0.85 ms 。在GRT之前，TN侧的W2和W3的振幅分别为1.13±±0.50和1.99±±1.09 uv，而健康侧的振幅为1.24±±0.40和1.89±±0.81 uv。术前W2和W3两侧的潜伏期和幅度无统计学差异（P> 0.05）。与手术前相比，W2和W3的潜伏期延迟，幅度减小，尤其是在手术后的TN侧（P <0.001）。并且，比较手术后TN侧和健康侧的W2和W3潜伏期和幅度，发现W2和W3的潜伏期延迟了（W2：P = 0.02； W3：P = 0.01），W2的幅值降低了（P = 0.003），但是W3的振幅没有统计学差异（P = 0.22）。 W2和W3的平均延迟潜伏期和95％置信区间分别为0.22±0.35（0.1-0.34）ms和0.35±0.64（0.14-0.57）ms。 W2和W3的平均下降幅度和95％置信区间分别为22±24（14–30）％和23±32（12–34）％。GRT可以使潜伏期延迟和TSEP的振幅减小。 W2和W3的潜伏期和幅度可被视为监测热损伤程度的可靠且安全的参考。

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