Case Report

Bilateral Intra-Articular Radiofrequency Ablation for Cervicogenic Headache

Figure 2

(a) Changes in visual analog pain score before procedure, and up to 12 weeks after procedure. (b) Changes in neck disability index, given as a percentage, before procedure and up to 12 weeks after procedure. A decrease of 10% from baseline score was used as an indicator of treatment success.
(a)
(b)