Watch the video about Mitral valve repair workshop organized by Dr Gokhale – HM TV News Clips. Cardiovascular surgery is a surgery on the heart and/or great vessels performed by cardiac surgeons. Frequently, it is done to treat complications of ischemic heart disease (for example, coronary artery bypass grafting), correct congenital heart disease, or treat valvular heart disease from various causes including endocarditic, rheumatic heart disease and atherosclerosis