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Bing Huang, Yongxiang Luo, Yajing Chen, Ming Yao
(Department of Anesthesiology and Pain Medical Center, First Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang, China (mainland))
Med Sci Rev 2019; 6:1-6
Radiofrequency has been used for nearly half a century in the treatment of trigeminal neuralgia, and it has become one of the predominant treatments for trigeminal neuralgia. At present, radiofrequency has demonstrated substantial progress. However, the technique has limitations such as low branch selectivity, and individuals who undergo such treatments are at higher risk of intracranial hemorrhage and intracranial infection associated with intracranial puncture. In this review, we aimed to assess the efficacy of radiofrequency of the extracranial non-semilunar ganglion for trigeminal neuralgia. We changed the target of radiofrequency from the traditional intracranial semilunar ganglion to the cranial foramen (such as superior orbital foramen, foramen rotundum, and oval foramen) to improve branch selectivity and lower the risks of intracranial hemorrhage and intracranial infection associated with intracranial puncture. Moreover, we briefly assessed the technique in terms of therapeutic target, puncture approach, puncture imaging guidance, puncture needle, parameter setting, indications, and comfort during the procedure.