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Clarification following CABG
- The term LIMA refers to a Left Internal Mammary Artery graft.
- This artery is usually connected to the left anterior descending artery and/or one of its major branches, as was done in your case. The major advantage of using internal mammary arteries is that they tend to remain open longer than venous grafts and much longer than PCI. Ten years after coronary artery bypass graft surgery (CABG), 90% of internal mammary arteries and 66% of vein grafts are usually still working. If compared with PCI (10-15% failure rates within one year), it is easy to understand why CABG is the preferred procedure in patients with extensive coronary artery disease.
- The term widow-maker refers to a critical 90% or greater Left main blockage (stenosis), because it supplies blood to the left side of your heart. If blocked, a large portion of your heart no longer gets blood, causing a major heart attack, stops pumping blood to your body and you probably would not survive! Studies performed before became the standard of care showed that almost 40% of patients died within three years. Other studies, comparing coronary artery bypass graft surgery (CABG) to PCI or medical therapy, led to strong recommendations for CABG.
- Here is my own take at choice of procedures for coronary artery disease..
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