Cardiac Magnetic Resonance Analysis of Mitral Annular Dynamics after Mitral Valve Repair Ahmad A. Abdouni; Carlos M.A. Brandão; Carlos E. Rochitte; Pablo M.A. Pomerantzeff; Elinthon T. Veronese; Ariane B. Pacheco; Antonio S. Santis; Flávio Tarasoutchi; Fábio B. Jatene;