METHODS FOR INHIBITING OR SUPPRESSING STENOSIS OF ARTERIOVENOUS ACCESS FISTULAS AND GRAFTS

摘要

A method for inhibiting or suppressing stenosis associated with an arteriovenous access. A dosage of photosensitive compound is introduced into the artery (14) or vein (12). An anastomotic area (16) of the artery (14) or vein (12) is then exposed to a source of light having a wavelength suitable for photoactivating the photosensitive compound for a period of time sufficient to provide a therapeutic effect. A method is also described for the delivery of drugs into the anastomotic site of an AV access to inhibit the formation of stenotic lesions at those sites.