Poor blood flow during dialysis (low access flows)

Low KT/V (dialysis adequacy measure)

Excessive bleeding after dialysis

Difficulty inserting needles

Clot removal (“pulling clots”) during dialysis

Absent "thrill" or noticeable flow in access

High vascular pressures on the dialysis machine

Swelling of the arm or extremity with the access

Aneurysm formation in the access region

Hand numbness or pain in the access arm

Catheter issues: blocked, infected, broken or displaced

Fever or pus draining from access site (infection)

Slow maturation of fistula (due to stenosis)