• Baishan Wu, Li Yue, Fenglong Sun, Shan Gao, Bing Liang, and Tao Tao.
• Department of Pain Management, Xuanwu Hospital, Capital Medical University, Beijing, China.
• Pain Med. 2019 Jun 1; 20 (6): 1219-1226.

ObjectiveThe cervicogenic headache is a syndrome caused by dysfunction of the upper cervical spine and its component bony, disc, and/or soft tissue elements. The C2 nerve root may play a pivotal role in cervicogenic headache. In this retrospective study, we evaluated the feasibility and efficacy of ultrasound-guided C2 nerve root coblation in managing 26 patients with cervicogenic headache.Design And SettingThe data were collected retrospectively by reviewing the patient's medical records and pain questionnaires.Subjects And MethodsA total of 109 patients with cervicogenic headache sustained for at least six months were identified. Of those patients, 26 had a visual analog scale score ≥6 and subsequently underwent an ultrasound-guided C2 nerve root coblation.ResultsAll 26 patients had >50% pain relief one day after coblation. Twenty-three of the 26 patients (92.31%) had a decrease in their pain score of 50% or more at 24-week follow-up. The mean pain score was 7.38 ± 1.13 before coblation and 1.85 ± 0.83 one day after coblation (Bonferroni-adjusted P < 0.001). At 12 and 24 weeks after coblation, the mean pain scores were 2.96 ± 0.96 (P < 0.001) and 3.08 ± 1.38 (P < 0.008), respectively.ConclusionsC2 nerve coblation may provide the majority of patients with a pain relief period as long as 24 weeks. And ultrasound guidance is an efficient method with which to perform coblation.© 2018 American Academy of Pain Medicine. All rights reserved. For permissions, please e-mail: journals.permissions@oup.com.

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