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Stenosis is the narrowing of an artery due to plaque formation. This accumulation on the inner lining of the artery can decrease blood flow and oxygen to your vital organs.

Restenosis is the re-narrowing of an artery experienced by some patients who receive angioplasty or stenting.

Restenosis occurs when an artery re-narrows due to an overgrowth of tissue inside the artery wall. This overgrowth is a formation of scar tissue and happens in some people as a result of the artery healing process. The overgrown scar tissue may form at the site of a treatment procedure and is experienced by some patients within the first 6 months of treatment.

Drug-coated stents are designed to reduce restenosis. If you are considering treatment options for CAD and have concerns about reducing the risk of restenosis, talk to your physician.

Last update: 31.07.2005