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The Feasibility and Efficacy of Ultrasound-Guided C2 Nerve Root Coblation for Cervicogenic Headache.
Pain Medicine 2019 June 2
OBJECTIVE: The 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 SETTING: The data were collected retrospectively by reviewing the patient's medical records and pain questionnaires.
SUBJECTS AND METHODS: A 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.
RESULTS: All 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.
CONCLUSIONS: C2 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.
DESIGN AND SETTING: The data were collected retrospectively by reviewing the patient's medical records and pain questionnaires.
SUBJECTS AND METHODS: A 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.
RESULTS: All 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.
CONCLUSIONS: C2 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.
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