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Stent Grafts Top "Gold Standard" Balloon Angioplasty for Dialysis Patients
Date:2/11/2010

represents the national organization of nearly 4,500 doctors, scientists and allied health professionals dedicated to improving health care through minimally invasive treatments. "This study is another example of the way in which interventional radiologists pioneer advances to improve health care for patients—in this case, specifically for kidney failure patients," added Stainken, an interventional radiologist who is also president of the Imaging Network of Rhode Island and chair of the diagnostic imaging department at Roger Williams Medical Center in Providence, R.I.

When kidneys fail—called chronic kidney or end-stage renal disease—treatment in the form of regular dialysis (or hemodialysis) is needed to replace the kidney's job of ridding the body of toxic waste products to maintain fluid, electrolyte and acid–base balance. Before dialysis can begin, patients often have a vascular access graft surgically placed in the arm to provide a high-flow site. This prosthetic fistula (or passageway) works by connecting a patient's vein with an artery in his or her forearm, allowing high flow of blood from the artery into the vein.

Over time, the accesses narrow and block off (occlude) due to buildup of scar tissue. Failing or occluded dialysis access grafts cause considerable morbidity, discomfort and inconvenience for dialysis patients due to the need for invasive procedures to reestablish access flow or to graft abandonment and reoperation. When failure occurs, per National Kidney Foundation Guidelines, an interventional radiologist normally performs a balloon angioplasty to reopen the fistula and regain access for dialysis.

More information about the Society of Interventional Radiology, interventional radiologists, angioplasty and stent placement can be found online at

SOURCE Society of Interventional Radiology
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