i am not sure about the impact of surgery and implants for crps II. i have crps I so i know that surgery can cause spread in crps I. but i was also told having any kind of implant could cause spread in crps I as well. (that's why i have avoided dental implants for the teeth i had to have pulled.) if i were you i would get several opinions from your drs i.e. pm dr, neurologist and gp and then make the best informed decision you can. personally i've gotten spread from surgery and from just banging my hand accidentally on something. i don't think there is any sure answer to the question of crps/rsd spread but if i had implants that did not need to come out and i wasn't getting spread from them, i would probably avoid surgery if at all possible. but i am not a dr so please don't go by my opinion. it's just what i think i would do if i were in your situation. hope whatever you decide you feel better soon. hugs.