Sometimes an operation is the best way of treating a diseased blood vessel, rather than a keyhole method like balloon angioplasty. If the blockage involves a long length of the artery, or if important branches are clogged up, surgery can be more effective at producing a long term cure.
Arterial surgery is complex and there is a multitude of different techniques for bypassing or reconstructing abnormal blood vessels: various examples are shown here.
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