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Coronary Artery Bypass Grafting Research Paper

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Coronary Heart Disease and Chronic Coronary Artery Disease are severe diseases that cause the build up of plaque in the artery that reduces the blood flow to the heart and accounts for more than 15 million worldwide deaths each year. Coronary Artery Bypass Grafting (CABG) is a procedure whereby a healthy artery is taking and grafted to the heart to increase the flow of blood. In the early 1900s it became a huge procedure reaching an all time high in the 1990’s. However due to our advances in technology/medicine and the high risk associated with this procedure the number of patients undergoing this procedure dropped by the start of the 2000s. At this point people are now undergoing procedures such as stents instead. Could the development of minimally invasive CABG allow this procedure to become a popular treatment method for these …show more content…
This led researchers to discover a new way to open arteries and reducing the rate of restenosis. They came up with stents which are metallic scaffolds of mesh which are inserted into the plaque filled artery to open it up and increase the flow of blood. Two initial studies were carried out to test the efficiency of stenting over BA the first was carried out by the North American Stent Restenosis Study. They looked at two factors the rate of restenosis and the rate of revascularization. Both rates were lower in patients receiving stents, rate of restenosis was 31.6% in stents vs. 42.1% in BA and the rate of revascularization was 10.2% in stents vs. 15.4% in BA. While these results were promising it was the results from the EU trial that convinced the FDA that this was a viable procedure and approved it as an elective operation in 1994. The results from the EU trial were as followed rate of restenosis was 22% in stents vs. 32% in BA and revascularization rates were 13.1% in stents vs. 22.9% in

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