What is CABG (Coronary Artery Bypass Graft)?

Pronounced “Cabbage” – this is open heart bypass surgery – called a Coronary Artery Bypass Graft (CABG).

Before angioplasty and stents this was the only surgical treatment option for a blocked coronary artery. The procedure is much more dangerous and recovery takes much longer. Additionally risk for restenosis is high, meaning that additional CABG procedures may be required in the future.

A CABG procedure consists of placing a graft between the IMA (Internal Mammary Artery) and whatever coronary artery is affected by the stenosis or blockage. The graft is placed on the side of the artery that is blocked – bypassing the clot or stenosis so that blood flow can resume to the affected tissue.

Up to 4 grafts can be attached to the IMA – depending on how many coronary arteries are affected – a patient can have a single, double, triple or quadruple bypass procedure.


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