Posted: 09/17/2010 - Heart disease is the number one cause of death in the United States. Coronary artery disease is the most common form, killing close to half a million people a year. Instead of major surgery, many doctors use angioplasty or stenting to open blocked arteries. But when more than one artery is clogged, bypass surgery is a must. A new hybrid procedure is helping patients receive the benefits of surgery without a major operation.