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  • Title: Efficacy and Safety of Radiofrequency Thermocoagulation with Different Puncture Methods for Treatment of V1 Trigeminal Neuralgia: A Prospective Study.
    Author: Wang T, Xu S, He Q, Tao J, Ni H, Zhu J, Luo G, Fu J, Xie K.
    Journal: Pain Physician; 2021 Mar; 24(2):145-152. PubMed ID: 33740347.
    Abstract:
    BACKGROUND: Radiofrequency thermocoagulation through the supraorbital foramen with a different puncture method is a new approach for the treatment of ophthalmic division trigeminal neuralgia. OBJECTIVES: To compare the efficacy of the vertical puncture method and the transverse puncture method in the treatment of ophthalmic division trigeminal neuralgia during radiofrequency thermocoagulation through the supraorbital foramen. STUDY DESIGN: Randomized, longitudinal prospective, clinical research study. SETTING: Department of Anesthesiology and Pain Medicine, Jiaxing, China. METHODS: A total of 57 patients with ophthalmic division trigeminal neuralgia were enrolled in the study between October 2011 and April 2018, and prospectively randomized into the vertical puncture group (n = 29) or transverse puncture group (n = 28). All these patients received computed tomography guided radiofrequency thermocoagulation through the supraorbital foramen. Patients in the vertical puncture group were treated with a vertical puncture method; patients in the transverse puncture group received a transverse puncture method. Facial pain was evaluated using the Numeric Rating Scale preoperatively and at 1 day, 6 months, 1 year, and 2 years after treatment; facial numbness degree was analyzed at 1 day and 2 years after the treatments were recorded. The short-term and long-term complications during the period of postoperative follow-up were recorded. RESULTS: All surgical procedures were successfully completed. The Numeric Rating Scale scores at 6 months, 1 year, and 2 years after the treatment were significantly lower in the transverse puncture group compared to the vertical puncture group (P < 0.05), while no difference was observed on day one after the treatment (P > 0.05). The numbness degree at 2 years was significantly decreased compared to day one in both groups (P < 0.05). The radiofrequency thermocoagulation for ophthalmic division trigeminal neuralgia in the transverse puncture group showed better long-term outcomes than those in the vertical puncture group (P < 0.05). No short-term or long-term postoperative complications were observed in any of the groups. LIMITATIONS: Additional clinical data should be collected to preserve the results in future work. CONCLUSION: The transverse puncture method during radiofrequency thermocoagulation through the supraorbital foramen had better efficacy and fewer complications in comparison with the vertical puncture method when treating ophthalmic division trigeminal neuralgia.
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