By Erda Khursyiah Basir
KUALA LUMPUR (Bernama) -- A coronary artery bypass surgery is done to restore blood flow to the heart, but it is usually performed when the heart is stopped.
This is because the heart has to be opened for the surgery, so it needs to be still for the operation. The heart’s pumping action will instead be taken over by the heart-lung (cardiopulmonary bypass) machine, which adds oxygen to the blood.
Although the surgery is considered a common one, an open-heart surgery comes with risks of complications during or following the procedure. That is why until today, the medical community is still debating the safety of the procedure.
Among the complications of an open-heart bypass are heart attack, stroke, irregular heartbeat, lung or kidney failure, chest pain and fever, blood loss or blood clot, memory loss and difficulty breathing.
These risks of complications, however, can be reduced using a technique called ‘off-pump coronary artery bypass’ or ‘off-pump’, for short.....