Cervical 2 Paravertebral Block and Cervical Epidural Block for Cervicogenic Headache:A Comparison Between the Two Methods

Objective To evaluate the efficacy of the cervical 2 paravertebral block and cervical epidural block in cervicogenic headache. Methods According to the international diagnostic criteria of cervicogenic headache,62 patients who had cervicogenic headache were randomised in two groups. In group A 33 patients performed cervical 2 paravertebral block. In group B 29 patients performed cervical epidural block. Both of the groups were performed once a week,four as a course of treatment. To compare the efficacy and pain degree(before and after treatment) using numerical rating scale(NRS) in the two groups. Results The effective power of group A was 90.91%,group B was 68.97%,the efficacy of two groups had significant difference(P0.05). Conclusion Both cervical 2 paravertebral block and cervical epidural block for cervicogenic headache were useful,but the former were better than the latter.