Comparative effectiveness of mechanical valves and homografts in complex aortic endocarditis June 27, 2022 Overview Show transcript Overview Juan A. Crestanello, M.D., is a cardiovascular surgeon and department chair of Cardiovascular Surgery at Mayo Clinic in Rochester, Minnesota. Dr. Crestanello, who specializes in surgery for valvular heart disease, discusses comparative effectiveness of mechanical valves and homografts in complex aortic endocarditis. Receive Mayo Clinic news in your inbox. Sign up Related ContentVideoThoracic aortic aneurysm and aortic root repair: Heart care at Mayo Clinic VID-20544435 Medical Professionals Comparative effectiveness of mechanical valves and homografts in complex aortic endocarditis