Table 2.

The use of DUS as answered by the VAS council and board members.

	AVF	AVG
Do you routinely perform/support ultrasound examination after access creation?	75%	75%
Do you perform/support duplex Doppler ultrasound in the case of access problems (puncture difficulties, limb edema, decrease of dialysis dose…?)	100%	91%
Do you check the access by ultrasound regularly?	55%	55%
Do you indicate PTA if a severe stenosis is found?	73%a	73%a

PTA: percutaneous transluminal angioplasty; AVF: arteriovenous fistula; AVG: arteriovenous graft. Percentage of “YES” is depicted.

^a Half responded “only if symptomatic.”