Here we go again - Fistulagram #6

[cbatsea]

Hubby goes for a fistula gram every 3 months.  We might not need to go so often, now that he got a stent placed.  He had a narrowing that kept returning.  Some people never need them...some need them all the time.

[Charlie B53]

My fistula was created the first of May, it didn't develop well so I had my first fistulagram late Summer.  Still wouldn't develop.  Vas Surgeon opened my arm on Halloween, removed a narrowing, and raised the vein closer to the surface.  Finally it began to grow, but only a little.  It was difficult to use throughout most of it's length. Just a couple of weeks ago I saw a different Vas Surgeon.  His first look he told me there is still another narrowing causing the problems.  He ballooned it but warned that I may yet have to return to have a stent placed if it doesn't stay open well enough.  At least it would be low enough in the vein that they won't stick through it.

[MooseMom]

Charlie B53, what causes this narrowing?