Doctors then tracked how many in each group suffered a heart attack, heart-related death, cardiac arrest or hospitalization for worsening chest pain or heart failure. Big study casts doubt on need for many heart procedures. They are the strongest evidence yet that tens of thousands of costly stent procedures and bypass operations each year are unnecessary or premature for people with stable disease. Cheap and generic aspirin, cholesterol-lowering drugs and blood pressure medicines are known to cut the risk of a heart attack for these folks, but many doctors also recommend a procedure to improve blood flow. The results challenge medical dogma and call into question some of the most common practices in heart care. Her doctor altered her blood pressure medicine, added a cholesterol drug and aspirin, and adjusted her diet. A placebo effect may have swayed these results — people who know they had a procedure tend to credit it with any improvement they perceive in symptoms. Glenn Levine, a Baylor College of Medicine cardiologist with no role in the research. Through a blood vessel in the groin, a tube is guided to a blockage in the heart.
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