Vascular access for hemodialysis: arteriovenous fistula. 2005

Marko Malovrh
Department of Nephrology, University Medical Center Ljubljana, University of Ljubljana, Ljubljana, Slovenia. marko.malovrh@kclj.si

The long-term survival and quality of life of patients on hemodialysis (HD) is dependant on the adequacy of dialysis via an appropriately placed vascular access. The optimal vascular access is unquestionably the autologous arteriovenous fistula (AVF), with the most common method being the conventional radio-cephalic fistula at the wrist. Recent clinical practice guidelines recommend the creation of native fistula or synthetic graft before the start of chronic HD therapy to prevent the need for complication-prone dialysis catheters. This could also have a beneficial effect on the rapidity of worsening kidney failure. A multidisciplinary approach (nephrologists, surgeons, radiologists and nurses) should improve the HD outcome by promoting the use of AVF. An important additional component of this program is the Doppler ultrasound for preoperative vascular mapping. Such an approach may be realized without unsuccessful surgical explorations, with a minimal early failure rate and a high maturation, even in patients with diabetes mellitus.

UI MeSH Term Description Entries
D006435 Renal Dialysis Therapy for the insufficient cleansing of the BLOOD by the kidneys based on dialysis and including hemodialysis, PERITONEAL DIALYSIS, and HEMODIAFILTRATION. Dialysis, Extracorporeal,Dialysis, Renal,Extracorporeal Dialysis,Hemodialysis,Dialyses, Extracorporeal,Dialyses, Renal,Extracorporeal Dialyses,Hemodialyses,Renal Dialyses
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001166 Arteriovenous Shunt, Surgical Surgical shunt allowing direct passage of blood from an artery to a vein. (From Dorland, 28th ed) Shunt, Surgical Arteriovenous,Surgical Arteriovenous Shunt,Arteriovenous Shunts, Surgical,Shunts, Surgical Arteriovenous,Surgical Arteriovenous Shunts
D014654 Vascular Patency The degree to which BLOOD VESSELS are not blocked or obstructed. Patency, Vascular,Patencies, Vascular,Vascular Patencies
D018616 Ultrasonography, Doppler, Duplex Ultrasonography applying the Doppler effect combined with real-time imaging. The real-time image is created by rapid movement of the ultrasound beam. A powerful advantage of this technique is the ability to estimate the velocity of flow from the Doppler shift frequency. Doppler Ultrasonography, Duplex,Ultrasonography, Duplex Doppler,Doppler Duplex Ultrasonography,Duplex Doppler Ultrasonography,Duplex Ultrasonography, Doppler,Ultrasonography, Doppler Duplex

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