Endovascular stenting of veins and grafts: preliminary clinical experience.

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Abstract
Stenotic lesions of veins and bypass grafts are often difficult to dilate and have a high frequency of recurrence. In an effort to provide an endoluminal mechanical support, the new concept of transluminal vascular stenting was applied in four patients with stenoses of nonarterial vessels, including two with postoperative venous stenoses, one with a stenosed mesenteric artery graft anastomosis, and one with a long stenosis of the basilic vein distal to a hemodialysis shunt graft. All four were successfully treated with percutaneous transluminal angioplasty followed by endovascular stenting. All but one of the stented segments were patent, with no significant restenoses after a follow-up of 4 1/2-12 months. There have been previous reports of transluminal vascular stenting in the arterial system, and the preliminary results from this study suggest that endovascular stenting also may play an important role in the treatment of venous and graft stenoses. However, further follow-up and careful patient selection will have to be done to establish the long-term benefit of this new procedure.