Background
we aimed to evaluate the efficacy of ultrasound-guided distal and proximal greater occipital nerve (GON) radiofrequency approaches in patients with combined chronic migraine and cervicogenic headaches.
Methods
We studied 60 patients with combined chronic migraine and cervicogenic headache, aged between 18 and 65 years and met the specific diagnostic criteria of the International Classification of Headache Disorders (ICHD). Patients were divided into two groups: proximal (Group A) and distal (Group B). The primary endpoint measured changes in headache frequency per month, while secondary endpoints included pain intensity, changes in the Headache Disability Index (HDI), sleep disturbances, and patient satisfaction.
Results
The proximal approach had a lower nocturnal neck and migraine pain intensity compared to the distal approach. Both groups reduced headache episodes and sleep disturbances and improved HDI. However, the proximal approach showed a greater reduction in headache episodes (p = 0.000), fewer sleep disturbances (p = 0.001), more improvement in HDI, and higher patient satisfaction (p = 0.016).
Conclusion
The proximal and distal approaches for GON radiofrequency ablation effectively reduced headache episodes, disability, and sleep disturbance. However, the proximal approach had a more sustained impact on pain intensity, indicating better long-term relief for neck pain and migraines.
Trial registration
ClinicalTrials.gov (identifier: NCT06121037)
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