An operation to repair a damaged blood vessel or unblock a coronary artery.
Surgical repair of damaged or diseased blood vessels. A thin wire with a balloon at its tip is inserted into the blocked artery. The balloon is inflated to push the artery walls apart.
It is performed on more than 500,000 worldwide each year. Within six months 40% of these patients will need the operation repeated because of a reaction to the stretching.
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