Thanks for replys and the encouragement regarding the blocks. I guess I'll just have to wait and see what happens next. I was just expecting the bier block to work longer as it kinda felt like a magic bullet after 4 years, but as you suggest Beverly maybe it's a question of tweaking. I do trust this doc, so I guess I'm half way over the hurdle. I guess I shouldn't be so impatient.
Thanks again to you both.