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Surgery More Likely Than Angioplasty to Relieve Pain for Patients With Coronary Artery Disease
Date:10/15/2007

ROCKVILLE, Md., Oct. 15 /PRNewswire-USNewswire/ -- Patients with mid-range coronary artery disease are more likely to get relief from painful angina and less likely to have repeat procedures if they get bypass surgery rather than balloon angioplasty with or without a stent, according to a new report by the Agency for Healthcare Research and Quality, part of the U.S. Department of Health and Human Services.

The analysis drew on 23 randomized controlled trials that compared treatments for patients with mid-range coronary disease treatable with either angioplasty or bypass surgery. As defined by the report, mid-range disease may occur in three ways: a single blockage of the vital left anterior descending artery, blockage of two arteries, or some forms of less-severe blockage of three arteries.

The report also found that for mid-range coronary artery disease, bypass surgery and angioplasty patients had about the same survival rates and similar numbers of heart attacks, but that bypass surgery presents a slightly higher risk of stroke within 30 days of the procedure. A summary of the report is posted today in the online version of Annals of Internal Medicine.

"Choosing a treatment for coronary disease has long been a difficult challenge," said AHRQ Director Carolyn M. Clancy, M.D. "But this new evidence-based report provides a vital reference to help doctors, patients, and their families make the best possible decision."

Coronary artery disease, a common type of heart disease, affects about 15 million Americans and is the leading cause of death for men and women. It occurs when cholesterol and fibrous tissue clog arteries that supply blood to the heart. When arteries narrow, diminished blood flow may starve the heart muscle of oxygen and nutrients. Intense and potentially disabling chest pain, called angina, occurs when the blood supply to the heart muscle is insufficient during exercise or stress. If blood flow through a coronary artery is
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SOURCE Agency for Healthcare Research & Quality
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