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Doc: Clinton "Not Out of the Woods"

Former President Bill Clinton's emergency heart procedure, to install a small coil-like stent in one of his arteries, is not the "final answer" to cure his heart disease, and Mr. Clinton is "not out of the woods yet."

Dr. Robert Michler, the surgeon-in-chief at New York's Montefiore-Einstein Heart Center, explained to "Early Show" co-anchor Harry Smith on Friday that heart disease is a progressive illness, and "as a result, it can come back."

Dr. Michler said there is always a chance that the stent, which acts to prop open a clogged artery, will collapse. He told Smith there is between a 10 and 30 percent chance that stent will fail within one year.

Click on the video player at left to watch Dr. Michler's explanation of how a stent works, the medical implications of heart disease, and a demonstration of the procedure.



Correction: An earlier version of this story reported Mr. Clinton's surgery took place at New York's Montefiore-Einstein Heart Center. The former president was treated at Columbia Presbyterian.
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