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Coronary Artery Bypass Surgery Stimulates the Growth of Angiography 

Coronary Artery Bypass Surgery Stimulates the Growth of Angiography
Coronary Artery Bypass Surgery Stimulates the Growth of Angiography

W. Bruce Fye

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date: 16 April 2021

Coronary artery bypass graft surgery (CABG), reported by Cleveland Clinic surgeon René Favaloro in 1969, represented a new approach to treating angina pectoris that involved operating directly on a diseased coronary artery. The strategy involved inserting a vein segment between the aorta and a coronary artery. This bypass graft carried blood to heart muscle that would normally have been supplied by a blocked coronary artery. CABG caught on quickly because it seemed to improve angina in a significant percentage of patients and produced income for surgeons and hospitals. But controversy surrounded the value of the operation, and Mayo heart specialists joined others in calling for controlled clinical trials to evaluate it. The Cleveland Clinic group initially resisted trials, claiming that their institutional experience proved that the operation was beneficial. In less than a decade, coronary bypass surgery was associated with a total annual cost of about $1 billion in America.

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