Coronary bypass surgery redirects blood around a section of a blocked or partially blocked artery in your heart to improve blood flow to your heart muscle. The procedure involves taking a healthy blood vessel from your leg, arm or chest and connecting it beyond the blocked arteries in your heart.
Although coronary bypass surgery doesn’t cure the heart disease that caused the blockages (atherosclerosis or coronary artery disease), it can ease symptoms, such as chest pain and shortness of breath. For some people, this procedure can improve heart function and reduce the risk of dying of heart disease.
Coronary bypass surgery is one option if you have a blocked artery to your heart.
You and your doctor might consider it if: