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Utilizing radio frequency energy and the heated catheter, the physician cauterizes â or burns â the tissue surrounding your saphenous vein to close it. Balloon angioplasty/stents for renal vascular hypertension is a procedure to open narrowed arteries that carry blood to your kidneys. It involves inserting a long, thin tube called a catheter through into the narrowed part of the artery.
The surgery to create an arteriovenous fistula for vascular access in hemodialysis is performed by a general surgeon or vascular surgeon in a hospital or one-day surgery center. It requires only local anesthesia and can be performed as an outpatient procedure.