Commentary: Seal the calcium Aug. 01, 2022 Overview إظهار النسخة النصية 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. VID-20544152 المتخصصون في المجالات الطبية Commentary: Seal the calcium