Provide some key points on Cardiac surgery from the given text
1. Cardiac surgery, often known as cardiovascular surgery, is heart or large vessel surgery carried out by cardiac surgeons.
2. It is frequently used to cure congenital heart disease, treat valvular heart disease from many causes, including endocarditis, rheumatic heart disease, and atherosclerosis, or to address complications of ischemic heart disease (for instance, with coronary artery bypass grafting).
3. Heart transplantation is also a part of it.