Angioplasty and coronary artery bypass surgery
When patients continue to have angina despite maximally tolerated combinations of nitroglycerin medications, beta blockers and calcium channel blockers, cardiac catheterization with coronary arteriography is indicated. Depending on the location and severity of the disease in the coronary arteries, patients can be referred for balloon angioplasty (percutaneous transluminal coronary angioplasty or PTCA) or coronary artery bypass graft surgery (CABG) to increase coronary artery blood flow.
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