Published in Drug Week, June 22nd, 2007
In angioplasty, doctors insert a flexible tube (catheter) into a leg or arm and thread it toward a blocked heart artery. In the early days of this procedure, a balloon at the end of the catheter was inflated to stretch open the artery. About 30 to 40 percent of the time, the stretched vessel would narrow again. In the mid-1990s, the Food and Drug Administration approved the...
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