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VASCULAR ACCESSES – HAEMODIALYSIS
Haemodialysis Fistulae
DESCRIPTION
WHAT IS a vascular access?
Chronic Renal Insufficiency treatment is related to the Nephrology specialist. Occasionally this specialist assesses the need of haemodialysis for the patient and requests vascular access creation. There are two types of vascular accesses, arteriovenous fistula and central catheter.
The arteriovenous fistula consists in joining, by surgical procedure, an artery and a vein. The most common fistula situation is at wrist level, although this location is variable regarding patient characteristics. In some cases the prosthesis implantation which joins the artery and the vein may be convenient (a by-pass).
When it is not possible to obtain a fistula from the patient due to his peripheral venous depletion, and neither he is suitable for a bypass, we can conduct a tunneled central catheter implanted to the different large volume veins, and use it for dialysis. This procedure is performed under fluoroscopy to place it in an adequate anatomical location.
The Angiology and Vascular Surgery specialist besides performing the vascular Access for dialysis can treat this type of fistulae in insufficient maturation situations or thrombosis.
The Angiology and Vascular Surgery specialist together with the Nephrology specialist assess each case to offer the most adequate to the patient.
