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Everything you need to know about CABG

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Coronary artery bypass surgery or CABG is done when the patient has coronary artery disease or CAD. Now what is CAD? CAD is coronary artery disease, in this disease the arteries that supply blood and oxygen to your heart muscle starts to get hardened and narrowed.


Arteries can become clogged over time by buildup of fatty plaque. CABG improves the blood move to the heart with a new route or around a section of diseased artery.

CABG is basically a surgical procedure in which one or more blocked arteries are bypassed by a blood vessel graft (a piece of living tissue) to restore normal blood move to the heart. The grafts generally come from the patient’s own arteries and veins located in the chest, leg or arm. The graft goes in all direction of the blocked arteries to create new pathways for blood to move to the heart.
When to go for the surgery?

When you have significant narrowing or blockages in your coronary arteries.

When the disease has proceeded beyond the point where it can’t be safely treated by medications.

When your arteries have re-narrowed after stents.

How the surgery is performed?

Small metal disks normally known as electrodes will be connected to your chest; these electrodes are connected to an electrocardiogram machine which will monitor your heart’s rhythm and electrical activity.

Patient will be given local anesthesia to numb the area where a plastic tube will be inserted in an artery in the wrist of the patient.

Patient will be given something to relax before taken into the operation room.

A tube will be inserted down your windpipe and connected to machine called a respirator, which will take over your breathing.

One more tube will be installed through your nose and down your throat into your stomach. This tube will stop liquid and air from collecting in your stomach.

A thin tube called a catheter will be used and inserted into your bladder to collect the urine produced during the operation.

A heat-lung machine is used in most of the bypass operations and after you are hooked up to the heart lung machine your heart is stopped and cooled.

A long piece of vein from your leg may be removed for the graft; one end of the graft will be attached to the ascending aorta the large artery that carries oxygen rich blood of the heart to the body.

Then the other end of the graft will be attached to the affected coronary artery below the blocked area. The artery can also be inserted from the Inside of your chest wall.

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