The aortocoronary bypass is a surgical procedure that is bypassing coronary artery stenosis using autologous arterial or venous grafts. They are harvested from patient body regions where they are not truly necessary. Grafts bypass blood flow from above to under the stenosis, delivering the blood for the underlying myocardium.
Bypass surgery provides the pain-free life in patients with the chest angina, prevents myocardial infarction, and causes further myocardial damage. Due to the high coronary artery disease prevalence, aortocoronary bypass used to be the most performed surgery worldwide.