RADIOLOGICAL DIAGNOSIS AND TREATMENT IN HEMODIALYSIS VASCULAR ACCESS COMPLICATIONS

In the hemodialysis vascular accesses, stenosis in the anastomosis and draining veins are the most common dysfunctioning pathologies, whereas thrombosis is the most common reason of access loss. Angiographic examinations (contrast fistulography and venography) are gold standart techniques in the evaluation of vascular access complications. Color Doppler sonography is another modality for the detection of these complications. It is a noninvasive and inexpensive technique, but this modality depends on experience and skill of the sonographer. Color Doppler sonography has a high sensitivity in the detection of the thrombosis, pseudoaneurisms and arterial stenooclusive lesions. Interventional radiological approach to the dysfunctioning vascular accesses (percutaneous transluminal balloon angioplasty, stent implantation, reposition of catheters and removal of fibrin sheats) provides safe and effective treatment alternatives and shortens the hospital stay.