You are very welcome to our forum and I hope we can at least offer you some support. We are a very genuinely caring gruop of people on here.
Personally I don't have CRPS but I believe it's a horriblr condition to have.
As Mark mentioned the SCS has practically saved my life, I have suffered from chronic back and sciatica in my legs for many years and the difference it has made is truly remarkable.
I too suggest going through the trial and with the help of you Doctor and family decide whether to have it permamently.

The very best of luck and if you've any further questions that I might be able answer please feel free to ask.

All the very best,

Sophie