Autogenous fistula arteriovenous fistula waiting period "mature", ie vein
dilation, the vein wall thickening can puncture hemodialysis, which normally
takes 4-8 weeks after surgery. Artificial arteriovenous fistula theoretically do
not have to wait after vascular "mature", can puncture immediately, but often
local swelling after surgery, and can not find out the artificial blood vessels
running yet healed, and artificial blood vessels and surrounding tissue,
hematoma puncture prone and secondary infection, the impact of the use of the
fistula, therefore, generally in January after use