Hyponatremia: An overlooked risk factor after cardiac surgery June 06, 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 hyponatremia, an overlooked risk factor associated with adverse outcomes after cardiac surgery. Receive Mayo Clinic news in your inbox. Sign up Related ContentArticlePreventing hyponatremia in the patient after pituitary surgery VID-20544146 Medical Professionals Hyponatremia: An overlooked risk factor after cardiac surgery