作者: Ziv J. Haskal , Scott Trerotola , Bart Dolmatch , Earl Schuman , Sanford Altman
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摘要: Background The leading cause of failure a prosthetic arteriovenous hemodialysis-access graft is venous anastomotic stenosis. Balloon angioplasty, the first-line therapy, has tendency to lead subsequent recoil and restenosis; however, no other therapies have yet proved be more effective. This study was designed compare conventional balloon angioplasty with an expanded polytetrafluoroethylene endovascular stent for revision stenosis in failing hemodialysis grafts. Methods We conducted prospective, multicenter trial, randomly assigning 190 patients who were undergoing had undergo either alone or plus placement graft. Primary end points included patency treatment area entire vascular access circuit. Results At 6 months, incidence significantly greater stent-graft group than balloon...