i can't tell you how shocked we were when we saw her for the first time. here's was a young woman whose diabetes was never well-controlled, her high blood pressure was never well-controlled. if someone really think many of her stents would not have been necessary. yvonne is the patient in that video. she had bypass surgeries in her 30s, 27 cardiac catheterizations and well over seven stents before going to the cleveland clinic for treatment. the head doctor at cleveland clinic says stents do little to prevent a heart attack and many physicians put them in to make more money. special tubing if an attached deflated balloon is threaded up to the coronary arteries around the heart. balloon is inflated to widen the blocked areas and the small wire cage is the actual stent. expands the artery to hold it