If you have coronary artery disease (CAD), the artery that supply blood and oxygen to the heart muscle become toughened and narrowed. If way of life change and medicines don't help, your doctor may advise coronary artery bypass surgery.
The surgery uses a part of a vein from the leg or vein from the chest or wrist. The surgeon attach this to the coronary artery above and below the pointed area or blockage. This allows blood to bypass the blockage. Some people need additional than one bypass.
You may need bypass surgery for a variety of reasons. Another procedure for CAD, angioplasty, may not have widen the artery enough. In some cases, the angioplasty tube can't reach the obstruction.
A bypass too can close again. This happens in additional than 10 percent of bypass surgeries, typically after 10 or more years.
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