Methods for inhibiting or suppressing stenosis of arteriovenous access fistulas and grafts
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United States of America Patent
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Aug 31, 2004
Grant Date -
May 29, 2003
app pub date -
Nov 21, 2001
filing date -
Nov 21, 2001
priority date (Note) -
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Abstract
A method for inhibiting or suppressing stenosis associated with an arteriovenous access. A dosage of photosensitive compound is introduced into the artery or vein. An anastomotic area of the artery or vein 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.
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