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About Coronary
Bypass Surgery
While a Heart Attack is happening,
the sooner these procedures are
done, the greater the chances of
saving heart muscle and of surviving
a heart attack.
Also known as "bypass surgery," the procedure
uses a piece of vein taken from the leg, or of
an artery taken from the chest or wrist. This is
attached to the heart artery above and below the
narrowed area, thus making a bypass around the
blockage. Sometimes, more than one bypass is
needed.
Bypass surgery may be needed due to various
reasons, such as an angioplasty that did not
sufficiently widen the blood vessel, or
blockages that cannot be reached by, or are too
long or hard for, angioplasty. In certain cases,
bypass surgery may be preferred. For instance,
it may be used for persons who have both
coronary heart disease and diabetes.
A bypass also can close again. This happens in
more than 10 percent of bypass surgeries,
usually after 10 or more years.
The Coronary bypass procedure is usually called
a CABG. It is a type of heart surgery that
reroutes, or "bypasses", the blood around these
clogged arteries.
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