Individuals with kidney dysfunction require long-term dialysis with functioning dialysis access. An arteriovenous [AV] fistula is used for the same. This surgically made connection between an artery (fast flow) and a vein (slow flow) enlarges (mature) the vein diameter which is used for dialysis, mostly 6-8 weeks post surgery. If dialysis isn’t an urgent requirement, one can place a temporary or permanent catheter, usually in the neck. However, it has a higher risk of infection and clotting or blockage.
The vascular specialist chooses sites based on artery and vein size and prior injections or thrombosis. Common sites are –
Commons guide for fistula –
The diagnosis may be confused with renal stone gastritis. hernia or lumbar spine disease. However, Consulting a qualified vascular-endovascular surgeon with abdominal ultrasonography/CT scan would be recommended.
After the surgery, watch out for these warning signs and consult the doctor as soon as possible.