Cardiovascular surgery is a surgical procedure on the heart that involves surgical interventions of arteries and veins as well as cures ailments of the vascular system. Blockage of blood vessels is treated by vascular surgeons. If patients have a lack of blood flow in the body, stroke, or other serious complications, it is difficult to cure.
In this treatment, the surgeon removes blockage area and places a tube in the artery, which allows blood to flow. Veins have leaflet valves, which prevent blood to flow in the back direction.