Coronary arteries are blood vessels that bring blood to your heart. If one or more of these arteries is blocked, your heart won\u2019t get the nutrients it needs. In order to remove the blockage, surgery is sometimes\u00a0required.\nHeart bypass surgery, also called coronary artery bypass graft surgery or CABG, creates a detour around a blocked artery to improve blood flow to your heart. If you or a loved one are facing heart surgery, here is what you can expect. Learn more about the procedure itself, as well as the pros, cons, and things you should know about heart bypass surgery.\nWhat Happens During Heart Bypass Surgery?\nDuring heart bypass surgery, you are put under anesthesia, which means you\u2019re given medicine to keep you asleep while your doctor performs your surgery.\nFirst, your doctor opens your chest to get to your heart.\nThen, your doctor takes a blood vessel from another part of your body, like your leg or arm, and attaches it to your heart. This creates a detour, or bypass, around your blocked artery so that blood can flow again.\nWhat Are the Pros of Heart Bypass Surgery?\nThere are many benefits\u00a0to this surgery, such as:\n\nHaving less chest pain, or having your chest pain go away\nLowering your chance of a heart attack\nHaving more energy for physical activities\n\nRELATED:\u00a0Which Heart Surgery Is Best?\nWhat Are the Cons Heart Bypass Surgery?\nHeart bypass surgery is a very common and usually successful way to treat blocked coronary arteries. All surgeries have risks and the risks for this surgery can include:\n\nHeart attack\nStroke\nBleeding during or after the surgery\nA change in kidney function\nA lung infection\nChanges in your heart rhythm\nAn allergic reaction to the anesthesia or other materials used during the surgery\nInjuries to your nerves in your chest, arms, or legs\nIn rare cases, death\n\nHow Can I Decide What Is Best?\nIt\u2019s always best to talk to your doctor, who can help you decide if heart bypass surgery is right for you.\nTo learn more, visit the UPMC Heart and Vascular Institute online or call 1-855-UPMC-HVI (1-855-876-2484) to schedule an appointment.