Commentary: Seal the calcium Aug. 01, 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, continues to analyze the diagnostic and technical challenges associated with mitral valve surgery in patients with severe mitral annulus calcification. Receive Mayo Clinic news in your inbox. Sign up Related ContentVideoRole of mitral valve calcium in survival after mitral valve replacementVideoPrevalence and natural history of mitral annulus calcification and related valve dysfunctionVideoMitral annular calcification in obstructive hypertrophic cardiomyopathy: Prevalence and outcomes VID-20544152 Medical Professionals Commentary: Seal the calcium