I'm sorry you're having trouble with your fistula. Mine ached for the entire 4 years that I had it.Mine started growing into my neck 2 years after tx, so I had to see a vascular surgeon and get it shut down. I didn't have a choice. But my experience is different than yours, so all I can say is that yes, you should see a vascular surgeon just in case something weird is going on. I'm sorry I have nothing worthwhile to say other than I hope you get to the bottom of this. I'll be very interested in hearing what you find out!
I'm sorry to hear about the fistula/graft problems, but when I had thrombosis in my fistula a couple of years into TX they removed everything (day surgery) The thing is that you could get an infection with your compromised immune system.Love and luck, Cas