if the nerve blocks helped, you really might want to look into RFA. I've had it done in my entire cervical spine and my lumbar spine for pain. I started out with medial branch nerve blocks, which helped a lot with arthritis type pain in the joints. However, similarly the effect wasn't very long lasting. After 2 rounds of nerve blocks I was able to do RFA which lasts longer. I'm getting the RFAs on my cervical spine redone soon, they were last done in March//April so a decent amount of time.