A person who has been taking medication for angina but is still experiencing frequent or severe chest pain may need either angioplasty to widen the narrowed artery, or coronary artery bypass surgery to create a different blood vessel for supplying the heart with blood.
Over the long run, the two procedures are equally successful in getting rid of chest pain and in preventing a heart attack or death. Angioplasty is an easier procedure to go through, however.
Some of its advantages are: