Date: July 2001
Definition:
Undergoing on 2 or more coronary arteries: balloon angioplasty; atherectomy; rotablation; laser treatment; or the application of stents; for coronary artery disease. There must be angiographic or equivalent evidence of the underlying disease which shows there is stenosis of at least 50% narrowing of 2 or more coronary arteries. The disease must be considered uncontrollable by non-invasive medical therapy.